<lensdatabase version="1">
    <mount>
        <name>Canon EF-S</name>
        <compat>Canon EF</compat>
        <compat>M42</compat>
        <compat>M39/1</compat>
        <compat>DKL</compat>
        <compat>T2</compat>
        <compat>Tamron Adaptall</compat>
        <compat>Generic</compat>
    </mount>
    <mount>
        <name>Canon EF</name>
        <compat>M42</compat>
        <compat>M39/1</compat>
        <compat>DKL</compat>
        <compat>T2</compat>
        <compat>Tamron Adaptall</compat>
        <compat>Generic</compat>
    </mount>
    <mount>
        <name>Canon FD</name>
        <compat>Canon FL</compat>
        <compat>M42</compat>
        <compat>M39/1</compat>
        <compat>DKL</compat>
        <compat>T2</compat>
        <compat>Tamron Adaptall</compat>
        <compat>Generic</compat>
    </mount>
    <mount>
        <name>Canon FL</name>
        <compat>M42</compat>
        <compat>M39/1</compat>
        <compat>DKL</compat>
        <compat>T2</compat>
        <compat>Generic</compat>
    </mount>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS 5DS</model>
        <model lang="en">EOS 5DS</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS 5DS R</model>
        <model lang="en">EOS 5DS R</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS 6D</model>
        <model lang="en">EOS 6D</model>
        <mount>Canon EF</mount>
        <cropfactor>1.005</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS 6D Mark II</model>
        <model lang="en">EOS 6D Mark II</model>
        <mount>Canon EF</mount>
        <cropfactor>1.005</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS 5D Mark IV</model>
        <model lang="en">EOS 5D Mark IV</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS 5D Mark III</model>
        <model lang="en">EOS 5D Mark III</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS 5D Mark II</model>
        <model lang="en">EOS 5D Mark II</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS 5D</model>
        <model lang="en">EOS 5D</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS-1Ds</model>
        <model lang="en">EOS-1Ds</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS-1Ds Mark II</model>
        <model lang="en">EOS-1Ds Mark II</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS-1D Mark II</model>
        <model lang="en">EOS-1D Mark II</model>
        <mount>Canon EF</mount>
        <cropfactor>1.255</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS-1D Mark II N</model>
        <model lang="en">EOS-1D Mark II N</model>
        <mount>Canon EF</mount>
        <cropfactor>1.255</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS-1Ds Mark III</model>
        <model lang="en">EOS-1Ds Mark III</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS-1D Mark III</model>
        <model lang="en">EOS-1D Mark III</model>
        <mount>Canon EF</mount>
        <cropfactor>1.282</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS-1D Mark IV</model>
        <model lang="en">EOS-1D Mark IV</model>
        <mount>Canon EF</mount>
        <cropfactor>1.290</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS-1D</model>
        <model lang="en">EOS-1D</model>
        <mount>Canon EF</mount>
        <cropfactor>1.255</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS-1D X</model>
        <model lang="en">EOS-1D X</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS-1D X Mark II</model>
        <model lang="en">EOS-1D X Mark II</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS 1000D</model>
        <model lang="en">EOS 1000D</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.622</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS DIGITAL REBEL XS</model>
        <model lang="en">EOS Digital Rebel XS</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.622</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS Kiss Digital F</model>
        <model lang="en">EOS Kiss Digital F</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.622</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS 1100D</model>
        <model lang="en">EOS 1100D</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.620</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS REBEL T3</model>
        <model lang="en">EOS Rebel T3</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.620</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS Kiss X50</model>
        <model lang="en">EOS Kiss X50</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.620</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS 300D DIGITAL</model>
        <model lang="en">EOS 300D</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.587</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS DIGITAL REBEL</model>
        <model lang="en">EOS Digital REBEL</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.587</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS Kiss Digital</model>
        <model lang="en">EOS Kiss Digital</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.587</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS 350D DIGITAL</model>
        <model lang="en">EOS 350D</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.622</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS DIGITAL REBEL XT</model>
        <model lang="en">EOS Digital Rebel XT</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.622</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS Kiss Digital N</model>
        <model lang="en">EOS Kiss Digital N</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.622</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS 400D DIGITAL</model>
        <model lang="en">EOS 400D</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.622</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS DIGITAL REBEL XTi</model>
        <model lang="en">EOS Digital Rebel XTi</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.622</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS Kiss Digital X</model>
        <model lang="en">EOS Kiss Digital X</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.622</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS 450D</model>
        <model lang="en">EOS 450D</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.622</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS DIGITAL REBEL XSi</model>
        <model lang="en">EOS Digital Rebel XSi</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.622</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS Kiss Digital X2</model>
        <model lang="en">EOS Kiss Digital X2</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.622</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS 500D</model>
        <model lang="en">EOS 500D</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.613</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS REBEL T1i</model>
        <model lang="en">EOS Rebel T1i</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.613</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS Kiss X3</model>
        <model lang="en">EOS Kiss X3</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.613</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS 550D</model>
        <model lang="en">EOS 550D</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.613</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS REBEL T2i</model>
        <model lang="en">EOS Rebel T2i</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.613</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS Kiss X4</model>
        <model lang="en">EOS Kiss X4</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.613</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS 600D</model>
        <model lang="en">EOS 600D</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.613</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS REBEL T3i</model>
        <model lang="en">EOS Rebel T3i</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.613</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS Kiss X5</model>
        <model lang="en">EOS Kiss X5</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.613</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS 650D</model>
        <model lang="en">EOS 650D</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.613</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS REBEL T4i</model>
        <model lang="en">EOS Rebel T4i</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.613</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS Kiss X6i</model>
        <model lang="en">EOS Kiss X6i</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.613</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS 700D</model>
        <model lang="en">EOS 700D</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.613</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS REBEL T5i</model>
        <model lang="en">EOS Rebel T5i</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.613</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS 800D</model>
        <model lang="en">EOS 800D</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.613</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS REBEL T7i</model>
        <model lang="en">EOS Rebel T7i</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.613</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS Kiss X7i</model>
        <model lang="en">EOS Kiss X7i</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.613</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS 750D</model>
        <model lang="en">EOS 750D</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.613</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS Rebel T6i</model>
        <model lang="en">EOS Rebel T6i</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.613</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS Kiss X8i</model>
        <model lang="en">EOS Kiss X8i</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.613</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS 760D</model>
        <model lang="en">EOS 760D</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.613</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS Rebel T6s</model>
        <model lang="en">EOS Rebel T6s</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.613</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS 8000D</model>
        <model lang="en"> EOS 8000D</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.613</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS Kiss X9i</model>
        <model lang="en">EOS Kiss X9i</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.613</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS 850D</model>
        <model lang="en">EOS 850D</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.613</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS Rebel T8i</model>
        <model lang="en">EOS Rebel T8i</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.613</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS Kiss X10i</model>
        <model lang="en">EOS Kiss X10i</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.613</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS 9000D</model>
        <model lang="en">EOS 9000D</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.613</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS 1200D</model>
        <model lang="en">EOS 1200D</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.620</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS REBEL T5</model>
        <model lang="en">EOS Rebel T5</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.620</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS Kiss X70</model>
        <model lang="en">EOS Kiss X70</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.620</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS 1300D</model>
        <model lang="en">EOS 1300D</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.620</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS Rebel T6</model>
        <model lang="en">EOS Rebel T6</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.620</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS 2000D</model>
        <model lang="en">EOS 2000D</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.613</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS Kiss X90</model>
        <model lang="en">EOS Kiss X90</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.613</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS Rebel T7</model>
        <model lang="en">EOS Rebel T7</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.613</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS 4000D</model>
        <model lang="en">EOS 4000D</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.613</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS Rebel T100</model>
        <model lang="en">EOS Rebel T100</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.613</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS 100D</model>
        <model lang="en">EOS 100D</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.613</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS REBEL SL1</model>
        <model lang="en">EOS Rebel SL1</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.613</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS Kiss X7</model>
        <model lang="en">EOS Kiss X7</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.613</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS 200D</model>
        <model lang="en">EOS 200D</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.613</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS REBEL SL2</model>
        <model lang="en">EOS Rebel SL2</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.613</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS 250D</model>
        <model lang="en">EOS 250D</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.613</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS REBEL SL3</model>
        <model lang="en">EOS Rebel SL3</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.613</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS 200D II</model>
        <model lang="en">EOS 200D II</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.613</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS Kiss X9</model>
        <model lang="en">EOS Kiss X9</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.613</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS 7D</model>
        <model lang="en">EOS 7D</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.620</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS 7D Mark II</model>
        <model lang="en">EOS 7D Mark II</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.605</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS 90D</model>
        <model lang="en">EOS 90D</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.613</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS 80D</model>
        <model lang="en">EOS 80D</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.613</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS 77D</model>
        <model lang="en">EOS 77D</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.613</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS 70D</model>
        <model lang="en">EOS 70D</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.600</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS 60D</model>
        <model lang="en">EOS 60D</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.620</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS 50D</model>
        <model lang="en">EOS 50D</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.622</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS 40D</model>
        <model lang="en">EOS 40D</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.622</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS 30D</model>
        <model lang="en">EOS 30D</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.600</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS 20D</model>
        <model lang="en">EOS 20D</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.600</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS 10D</model>
        <model lang="en">EOS 10D</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.587</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS D60</model>
        <model lang="en">EOS D60</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.587</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>Canon EOS D30</model>
        <model lang="en">EOS D30</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.587</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>35mm film: full frame</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
    </camera>
    <camera>
        <maker>Kodak</maker>
        <model>DCS Pro SLR/c</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
    </camera>
    <camera>
        <maker>Kodak</maker>
        <model>DCS520</model>
        <model lang="en">DCS 520</model>
        <mount>Canon EF</mount>
        <cropfactor>1.593</cropfactor>
    </camera>
    <camera>
        <maker>Canon</maker>
        <model>EOS D2000</model>
        <mount>Canon EF</mount>
        <cropfactor>1.593</cropfactor>
    </camera>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF-S 10-22mm f/3.5-4.5 USM</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.613</cropfactor>
        <calibration>
            <!-- Taken with Canon 650D -->
            <distortion model="ptlens" focal="10" a="0.01986" b="-0.06874" c="0.05166"/>
            <distortion model="ptlens" focal="12" a="0.0077" b="-0.03199" c="0.02557"/>
            <distortion model="ptlens" focal="14" a="0.003" b="-0.00133" c="-0.01649"/>
            <distortion model="ptlens" focal="22" a="0.00459" b="-0.00356" c="-0.01271"/>
            <tca model="poly3" focal="10" br="-0.0000025" vr="1.0003211" bb="0.0000125" vb="1.0000667"/>
            <tca model="poly3" focal="12" br="0.0001191" vr="1.0001500" bb="-0.0000116" vb="1.0001272"/>
            <tca model="poly3" focal="14" br="0.0000423" vr="1.0001293" bb="-0.0000479" vb="1.0001940"/>
            <tca model="poly3" focal="22" br="0.0000589" vr="0.9999979" bb="-0.0000104" vb="1.0001770"/>
            <!-- Taken with Canon 500D -->
            <vignetting model="pa" focal="10" aperture="3.5" distance="10" k1="-2.1271" k2="2.6641" k3="-1.2836"/>
            <vignetting model="pa" focal="10" aperture="3.5" distance="1000" k1="-2.1271" k2="2.6641" k3="-1.2836"/>
            <vignetting model="pa" focal="10" aperture="4" distance="10" k1="-0.6724" k2="0.0578" k3="0.0247"/>
            <vignetting model="pa" focal="10" aperture="4" distance="1000" k1="-0.6724" k2="0.0578" k3="0.0247"/>
            <vignetting model="pa" focal="10" aperture="4.5" distance="10" k1="-0.7341" k2="0.4150" k3="-0.2096"/>
            <vignetting model="pa" focal="10" aperture="4.5" distance="1000" k1="-0.7341" k2="0.4150" k3="-0.2096"/>
            <vignetting model="pa" focal="10" aperture="5" distance="10" k1="-0.7227" k2="0.3498" k3="-0.1326"/>
            <vignetting model="pa" focal="10" aperture="5" distance="1000" k1="-0.7227" k2="0.3498" k3="-0.1326"/>
            <vignetting model="pa" focal="10" aperture="8" distance="10" k1="-0.6733" k2="0.1679" k3="0.0273"/>
            <vignetting model="pa" focal="10" aperture="8" distance="1000" k1="-0.6733" k2="0.1679" k3="0.0273"/>
            <vignetting model="pa" focal="10" aperture="11" distance="10" k1="-0.6667" k2="0.1500" k3="0.0393"/>
            <vignetting model="pa" focal="10" aperture="11" distance="1000" k1="-0.6667" k2="0.1500" k3="0.0393"/>
            <vignetting model="pa" focal="10" aperture="22" distance="10" k1="-0.6700" k2="0.1558" k3="0.0355"/>
            <vignetting model="pa" focal="10" aperture="22" distance="1000" k1="-0.6700" k2="0.1558" k3="0.0355"/>
            <vignetting model="pa" focal="12" aperture="3.5" distance="10" k1="-1.5029" k2="1.4843" k3="-0.6316"/>
            <vignetting model="pa" focal="12" aperture="3.5" distance="1000" k1="-1.5029" k2="1.4843" k3="-0.6316"/>
            <vignetting model="pa" focal="12" aperture="4" distance="10" k1="-0.5529" k2="-0.2051" k3="0.2309"/>
            <vignetting model="pa" focal="12" aperture="4" distance="1000" k1="-0.5529" k2="-0.2051" k3="0.2309"/>
            <vignetting model="pa" focal="12" aperture="4.5" distance="10" k1="-0.6266" k2="0.1899" k3="-0.0258"/>
            <vignetting model="pa" focal="12" aperture="4.5" distance="1000" k1="-0.6266" k2="0.1899" k3="-0.0258"/>
            <vignetting model="pa" focal="12" aperture="5" distance="10" k1="-0.6158" k2="0.1397" k3="0.0256"/>
            <vignetting model="pa" focal="12" aperture="5" distance="1000" k1="-0.6158" k2="0.1397" k3="0.0256"/>
            <vignetting model="pa" focal="12" aperture="8" distance="10" k1="-0.6036" k2="0.1061" k3="0.0486"/>
            <vignetting model="pa" focal="12" aperture="8" distance="1000" k1="-0.6036" k2="0.1061" k3="0.0486"/>
            <vignetting model="pa" focal="12" aperture="11" distance="10" k1="-0.5986" k2="0.0915" k3="0.0581"/>
            <vignetting model="pa" focal="12" aperture="11" distance="1000" k1="-0.5986" k2="0.0915" k3="0.0581"/>
            <vignetting model="pa" focal="12" aperture="22" distance="10" k1="-0.6061" k2="0.1065" k3="0.0492"/>
            <vignetting model="pa" focal="12" aperture="22" distance="1000" k1="-0.6061" k2="0.1065" k3="0.0492"/>
            <vignetting model="pa" focal="14" aperture="4" distance="10" k1="-1.4963" k2="1.4861" k3="-0.6302"/>
            <vignetting model="pa" focal="14" aperture="4" distance="1000" k1="-1.4963" k2="1.4861" k3="-0.6302"/>
            <vignetting model="pa" focal="14" aperture="4.5" distance="10" k1="-0.5026" k2="-0.1586" k3="0.1768"/>
            <vignetting model="pa" focal="14" aperture="4.5" distance="1000" k1="-0.5026" k2="-0.1586" k3="0.1768"/>
            <vignetting model="pa" focal="14" aperture="5" distance="10" k1="-0.5464" k2="0.0704" k3="0.0331"/>
            <vignetting model="pa" focal="14" aperture="5" distance="1000" k1="-0.5464" k2="0.0704" k3="0.0331"/>
            <vignetting model="pa" focal="14" aperture="5.6" distance="10" k1="-0.5608" k2="0.1081" k3="0.0277"/>
            <vignetting model="pa" focal="14" aperture="5.6" distance="1000" k1="-0.5608" k2="0.1081" k3="0.0277"/>
            <vignetting model="pa" focal="14" aperture="8" distance="10" k1="-0.5529" k2="0.0810" k3="0.0501"/>
            <vignetting model="pa" focal="14" aperture="8" distance="1000" k1="-0.5529" k2="0.0810" k3="0.0501"/>
            <vignetting model="pa" focal="14" aperture="11" distance="10" k1="-0.5483" k2="0.0701" k3="0.0559"/>
            <vignetting model="pa" focal="14" aperture="11" distance="1000" k1="-0.5483" k2="0.0701" k3="0.0559"/>
            <vignetting model="pa" focal="14" aperture="25" distance="10" k1="-0.5491" k2="0.0666" k3="0.0595"/>
            <vignetting model="pa" focal="14" aperture="25" distance="1000" k1="-0.5491" k2="0.0666" k3="0.0595"/>
            <vignetting model="pa" focal="17" aperture="4" distance="10" k1="-1.4883" k2="1.5043" k3="-0.6467"/>
            <vignetting model="pa" focal="17" aperture="4" distance="1000" k1="-1.4883" k2="1.5043" k3="-0.6467"/>
            <vignetting model="pa" focal="17" aperture="4.5" distance="10" k1="-0.5478" k2="-0.2553" k3="0.2914"/>
            <vignetting model="pa" focal="17" aperture="4.5" distance="1000" k1="-0.5478" k2="-0.2553" k3="0.2914"/>
            <vignetting model="pa" focal="17" aperture="5" distance="10" k1="-0.4485" k2="-0.2813" k3="0.2632"/>
            <vignetting model="pa" focal="17" aperture="5" distance="1000" k1="-0.4485" k2="-0.2813" k3="0.2632"/>
            <vignetting model="pa" focal="17" aperture="5.6" distance="10" k1="-0.4494" k2="-0.0688" k3="0.0944"/>
            <vignetting model="pa" focal="17" aperture="5.6" distance="1000" k1="-0.4494" k2="-0.0688" k3="0.0944"/>
            <vignetting model="pa" focal="17" aperture="8" distance="10" k1="-0.4867" k2="0.0475" k3="0.0552"/>
            <vignetting model="pa" focal="17" aperture="8" distance="1000" k1="-0.4867" k2="0.0475" k3="0.0552"/>
            <vignetting model="pa" focal="17" aperture="11" distance="10" k1="-0.4884" k2="0.0500" k3="0.0528"/>
            <vignetting model="pa" focal="17" aperture="11" distance="1000" k1="-0.4884" k2="0.0500" k3="0.0528"/>
            <vignetting model="pa" focal="17" aperture="29" distance="10" k1="-0.4786" k2="0.0251" k3="0.0686"/>
            <vignetting model="pa" focal="17" aperture="29" distance="1000" k1="-0.4786" k2="0.0251" k3="0.0686"/>
            <vignetting model="pa" focal="22" aperture="4.5" distance="10" k1="-1.3450" k2="1.3739" k3="-0.6390"/>
            <vignetting model="pa" focal="22" aperture="4.5" distance="1000" k1="-1.3450" k2="1.3739" k3="-0.6390"/>
            <vignetting model="pa" focal="22" aperture="5" distance="10" k1="-0.7966" k2="0.2347" k3="0.0309"/>
            <vignetting model="pa" focal="22" aperture="5" distance="1000" k1="-0.7966" k2="0.2347" k3="0.0309"/>
            <vignetting model="pa" focal="22" aperture="5.6" distance="10" k1="-0.4158" k2="-0.3483" k3="0.3184"/>
            <vignetting model="pa" focal="22" aperture="5.6" distance="1000" k1="-0.4158" k2="-0.3483" k3="0.3184"/>
            <vignetting model="pa" focal="22" aperture="6.3" distance="10" k1="-0.3037" k2="-0.3564" k3="0.2530"/>
            <vignetting model="pa" focal="22" aperture="6.3" distance="1000" k1="-0.3037" k2="-0.3564" k3="0.2530"/>
            <vignetting model="pa" focal="22" aperture="8" distance="10" k1="-0.4070" k2="0.0794" k3="-0.0246"/>
            <vignetting model="pa" focal="22" aperture="8" distance="1000" k1="-0.4070" k2="0.0794" k3="-0.0246"/>
            <vignetting model="pa" focal="22" aperture="11" distance="10" k1="-0.4008" k2="0.0250" k3="0.0482"/>
            <vignetting model="pa" focal="22" aperture="11" distance="1000" k1="-0.4008" k2="0.0250" k3="0.0482"/>
            <vignetting model="pa" focal="22" aperture="29" distance="10" k1="-0.3994" k2="0.0175" k3="0.0532"/>
            <vignetting model="pa" focal="22" aperture="29" distance="1000" k1="-0.3994" k2="0.0175" k3="0.0532"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 16-35mm f/2.8L USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <!-- Taken with Canon 5D Mark III -->
            <distortion model="ptlens" focal="16" a="0.01687424" b="-0.03208409" c="-0.028794159"/>
            <distortion model="ptlens" focal="17" a="0.018424526" b="-0.03643579" c="-0.020559887"/>
            <distortion model="ptlens" focal="18" a="0.017495247" b="-0.034459507" c="-0.015300327"/>
            <distortion model="ptlens" focal="20" a="0.016731535" b="-0.032388456" c="-0.009986979"/>
            <distortion model="ptlens" focal="22" a="0.014761182" b="-0.027130847" c="0.005742111"/>
            <distortion model="ptlens" focal="24" a="0.014413616" b="-0.026361848" c="-0.00090247203"/>
            <distortion model="ptlens" focal="26" a="0.012561258" b="-0.021763202" c="-0.00027483905"/>
            <distortion model="ptlens" focal="28" a="0.010246756" b="-0.016053859" c="-0.000953533"/>
            <distortion model="ptlens" focal="30" a="0.010323046" b="-0.017679968" c="0.0047651725"/>
            <distortion model="ptlens" focal="35" a="0.0070163863" b="-0.010468312" c="0.0030782963"/>
            <tca model="poly3" focal="16" br="-0.0002000" vr="1.0013882" bb="0.0001579" vb="0.9998360"/>
            <tca model="poly3" focal="20" br="0.0000670" vr="1.0007432" bb="-0.0000362" vb="1.0002576"/>
            <tca model="poly3" focal="24" br="0.0001425" vr="1.0003809" bb="-0.0001086" vb="1.0004253"/>
            <tca model="poly3" focal="28" br="0.0001483" vr="1.0002688" bb="-0.0001237" vb="1.0003935"/>
            <tca model="poly3" focal="35" br="0.0001437" vr="1.0002374" bb="-0.0001347" vb="1.0002667"/>
            <vignetting model="pa" focal="16" aperture="2.8" distance="0.28" k1="-0.1292" k2="-1.7458" k3="1.0127"/>
            <vignetting model="pa" focal="16" aperture="2.8" distance="0.56" k1="-0.3436" k2="-0.9369" k3="0.4790"/>
            <vignetting model="pa" focal="16" aperture="2.8" distance="1.68" k1="-0.3534" k2="-0.8520" k3="0.3689"/>
            <vignetting model="pa" focal="16" aperture="2.8" distance="1000" k1="-0.3176" k2="-0.9708" k3="0.4369"/>
            <vignetting model="pa" focal="16" aperture="4" distance="0.28" k1="-0.8654" k2="0.4684" k3="-0.3700"/>
            <vignetting model="pa" focal="16" aperture="4" distance="0.56" k1="-0.8566" k2="0.3689" k3="-0.2046"/>
            <vignetting model="pa" focal="16" aperture="4" distance="1.68" k1="-0.8790" k2="0.4658" k3="-0.3126"/>
            <vignetting model="pa" focal="16" aperture="4" distance="1000" k1="-0.8848" k2="0.5114" k3="-0.3702"/>
            <vignetting model="pa" focal="16" aperture="5.6" distance="0.28" k1="-0.9730" k2="0.7548" k3="-0.4335"/>
            <vignetting model="pa" focal="16" aperture="5.6" distance="0.56" k1="-0.9157" k2="0.5247" k3="-0.2164"/>
            <vignetting model="pa" focal="16" aperture="5.6" distance="1.68" k1="-0.9279" k2="0.5681" k3="-0.2523"/>
            <vignetting model="pa" focal="16" aperture="5.6" distance="1000" k1="-0.9511" k2="0.6666" k3="-0.3407"/>
            <vignetting model="pa" focal="16" aperture="8" distance="0.28" k1="-0.8842" k2="0.3434" k3="-0.0258"/>
            <vignetting model="pa" focal="16" aperture="8" distance="0.56" k1="-0.8894" k2="0.3630" k3="-0.0351"/>
            <vignetting model="pa" focal="16" aperture="8" distance="1.68" k1="-0.8906" k2="0.3655" k3="-0.0351"/>
            <vignetting model="pa" focal="16" aperture="8" distance="1000" k1="-0.8900" k2="0.3655" k3="-0.0344"/>
            <vignetting model="pa" focal="16" aperture="22" distance="0.28" k1="-0.9288" k2="0.4132" k3="-0.0576"/>
            <vignetting model="pa" focal="16" aperture="22" distance="0.56" k1="-0.9296" k2="0.4173" k3="-0.0549"/>
            <vignetting model="pa" focal="16" aperture="22" distance="1.68" k1="-0.9323" k2="0.4248" k3="-0.0588"/>
            <vignetting model="pa" focal="16" aperture="22" distance="1000" k1="-0.9324" k2="0.4267" k3="-0.0603"/>
            <vignetting model="pa" focal="20" aperture="2.8" distance="0.28" k1="-0.3791" k2="-0.7797" k3="0.5297"/>
            <vignetting model="pa" focal="20" aperture="2.8" distance="0.56" k1="-0.3525" k2="-0.9052" k3="0.6601"/>
            <vignetting model="pa" focal="20" aperture="2.8" distance="1.68" k1="-0.3508" k2="-0.9154" k3="0.6709"/>
            <vignetting model="pa" focal="20" aperture="2.8" distance="1000" k1="-0.3499" k2="-0.9140" k3="0.6689"/>
            <vignetting model="pa" focal="20" aperture="4" distance="0.28" k1="-0.6376" k2="0.0188" k3="0.0733"/>
            <vignetting model="pa" focal="20" aperture="4" distance="0.56" k1="-0.6399" k2="0.0282" k3="0.0655"/>
            <vignetting model="pa" focal="20" aperture="4" distance="1.68" k1="-0.6399" k2="0.0206" k3="0.0727"/>
            <vignetting model="pa" focal="20" aperture="4" distance="1000" k1="-0.6449" k2="0.0489" k3="0.0511"/>
            <vignetting model="pa" focal="20" aperture="5.6" distance="0.28" k1="-0.7012" k2="0.1935" k3="0.0090"/>
            <vignetting model="pa" focal="20" aperture="5.6" distance="0.56" k1="-0.7015" k2="0.1943" k3="0.0103"/>
            <vignetting model="pa" focal="20" aperture="5.6" distance="1.68" k1="-0.7001" k2="0.1910" k3="0.0131"/>
            <vignetting model="pa" focal="20" aperture="5.6" distance="1000" k1="-0.7006" k2="0.1939" k3="0.0106"/>
            <vignetting model="pa" focal="20" aperture="8" distance="0.28" k1="-0.6990" k2="0.1480" k3="0.0581"/>
            <vignetting model="pa" focal="20" aperture="8" distance="0.56" k1="-0.6991" k2="0.1469" k3="0.0613"/>
            <vignetting model="pa" focal="20" aperture="8" distance="1.68" k1="-0.6981" k2="0.1435" k3="0.0646"/>
            <vignetting model="pa" focal="20" aperture="8" distance="1000" k1="-0.6986" k2="0.1468" k3="0.0621"/>
            <vignetting model="pa" focal="20" aperture="22" distance="0.28" k1="-0.7468" k2="0.2238" k3="0.0209"/>
            <vignetting model="pa" focal="20" aperture="22" distance="0.56" k1="-0.7441" k2="0.2153" k3="0.0285"/>
            <vignetting model="pa" focal="20" aperture="22" distance="1.68" k1="-0.7444" k2="0.2159" k3="0.0286"/>
            <vignetting model="pa" focal="20" aperture="22" distance="1000" k1="-0.7432" k2="0.2175" k3="0.0255"/>
            <vignetting model="pa" focal="24" aperture="2.8" distance="0.28" k1="-0.4345" k2="-0.7570" k3="0.6022"/>
            <vignetting model="pa" focal="24" aperture="2.8" distance="0.56" k1="-0.4377" k2="-0.7511" k3="0.5998"/>
            <vignetting model="pa" focal="24" aperture="2.8" distance="1.68" k1="-0.4386" k2="-0.7498" k3="0.5992"/>
            <vignetting model="pa" focal="24" aperture="2.8" distance="1000" k1="-0.4346" k2="-0.7567" k3="0.6031"/>
            <vignetting model="pa" focal="24" aperture="4" distance="0.28" k1="-0.5404" k2="0.1701" k3="-0.0800"/>
            <vignetting model="pa" focal="24" aperture="4" distance="0.56" k1="-0.5376" k2="0.1591" k3="-0.0699"/>
            <vignetting model="pa" focal="24" aperture="4" distance="1.68" k1="-0.5428" k2="0.1782" k3="-0.0837"/>
            <vignetting model="pa" focal="24" aperture="4" distance="1000" k1="-0.5325" k2="0.1424" k3="-0.0599"/>
            <vignetting model="pa" focal="24" aperture="5.6" distance="0.28" k1="-0.5284" k2="0.0572" k3="0.0608"/>
            <vignetting model="pa" focal="24" aperture="5.6" distance="0.56" k1="-0.5247" k2="0.0412" k3="0.0752"/>
            <vignetting model="pa" focal="24" aperture="5.6" distance="1.68" k1="-0.5228" k2="0.0354" k3="0.0796"/>
            <vignetting model="pa" focal="24" aperture="5.6" distance="1000" k1="-0.5250" k2="0.0407" k3="0.0770"/>
            <vignetting model="pa" focal="24" aperture="8" distance="0.28" k1="-0.5351" k2="0.0514" k3="0.0711"/>
            <vignetting model="pa" focal="24" aperture="8" distance="0.56" k1="-0.5348" k2="0.0450" k3="0.0784"/>
            <vignetting model="pa" focal="24" aperture="8" distance="1.68" k1="-0.5323" k2="0.0421" k3="0.0787"/>
            <vignetting model="pa" focal="24" aperture="8" distance="1000" k1="-0.5343" k2="0.0484" k3="0.0745"/>
            <vignetting model="pa" focal="24" aperture="22" distance="0.28" k1="-0.5718" k2="0.0952" k3="0.0540"/>
            <vignetting model="pa" focal="24" aperture="22" distance="0.56" k1="-0.5757" k2="0.1141" k3="0.0369"/>
            <vignetting model="pa" focal="24" aperture="22" distance="1.68" k1="-0.5779" k2="0.1231" k3="0.0292"/>
            <vignetting model="pa" focal="24" aperture="22" distance="1000" k1="-0.5727" k2="0.1034" k3="0.0463"/>
            <vignetting model="pa" focal="28" aperture="2.8" distance="0.28" k1="-0.6666" k2="-0.2014" k3="0.2642"/>
            <vignetting model="pa" focal="28" aperture="2.8" distance="0.56" k1="-0.6687" k2="-0.1978" k3="0.2625"/>
            <vignetting model="pa" focal="28" aperture="2.8" distance="1.68" k1="-0.6681" k2="-0.1996" k3="0.2636"/>
            <vignetting model="pa" focal="28" aperture="2.8" distance="1000" k1="-0.6654" k2="-0.2059" k3="0.2680"/>
            <vignetting model="pa" focal="28" aperture="4" distance="0.28" k1="-0.4754" k2="0.3098" k3="-0.2604"/>
            <vignetting model="pa" focal="28" aperture="4" distance="0.56" k1="-0.4697" k2="0.2905" k3="-0.2479"/>
            <vignetting model="pa" focal="28" aperture="4" distance="1.68" k1="-0.4709" k2="0.2964" k3="-0.2535"/>
            <vignetting model="pa" focal="28" aperture="4" distance="1000" k1="-0.4774" k2="0.3140" k3="-0.2608"/>
            <vignetting model="pa" focal="28" aperture="5.6" distance="0.28" k1="-0.4266" k2="0.0327" k3="0.0460"/>
            <vignetting model="pa" focal="28" aperture="5.6" distance="0.56" k1="-0.4248" k2="0.0201" k3="0.0597"/>
            <vignetting model="pa" focal="28" aperture="5.6" distance="1.68" k1="-0.4272" k2="0.0343" k3="0.0447"/>
            <vignetting model="pa" focal="28" aperture="5.6" distance="1000" k1="-0.4279" k2="0.0373" k3="0.0422"/>
            <vignetting model="pa" focal="28" aperture="8" distance="0.28" k1="-0.4222" k2="-0.0137" k3="0.0921"/>
            <vignetting model="pa" focal="28" aperture="8" distance="0.56" k1="-0.4236" k2="-0.0119" k3="0.0923"/>
            <vignetting model="pa" focal="28" aperture="8" distance="1.68" k1="-0.4238" k2="-0.0107" k3="0.0912"/>
            <vignetting model="pa" focal="28" aperture="8" distance="1000" k1="-0.4213" k2="-0.0160" k3="0.0938"/>
            <vignetting model="pa" focal="28" aperture="22" distance="0.28" k1="-0.4633" k2="0.0563" k3="0.0516"/>
            <vignetting model="pa" focal="28" aperture="22" distance="0.56" k1="-0.4638" k2="0.0600" k3="0.0485"/>
            <vignetting model="pa" focal="28" aperture="22" distance="1.68" k1="-0.4633" k2="0.0592" k3="0.0488"/>
            <vignetting model="pa" focal="28" aperture="22" distance="1000" k1="-0.4656" k2="0.0652" k3="0.0445"/>
            <vignetting model="pa" focal="35" aperture="2.8" distance="0.28" k1="-1.1205" k2="0.9931" k3="-0.5234"/>
            <vignetting model="pa" focal="35" aperture="2.8" distance="0.56" k1="-1.1195" k2="0.9910" k3="-0.5224"/>
            <vignetting model="pa" focal="35" aperture="2.8" distance="1.68" k1="-1.1189" k2="0.9895" k3="-0.5216"/>
            <vignetting model="pa" focal="35" aperture="2.8" distance="1000" k1="-1.1172" k2="0.9857" k3="-0.5192"/>
            <vignetting model="pa" focal="35" aperture="4" distance="0.28" k1="-0.3650" k2="0.3230" k3="-0.3872"/>
            <vignetting model="pa" focal="35" aperture="4" distance="0.56" k1="-0.3612" k2="0.3102" k3="-0.3773"/>
            <vignetting model="pa" focal="35" aperture="4" distance="1.68" k1="-0.3641" k2="0.3151" k3="-0.3732"/>
            <vignetting model="pa" focal="35" aperture="4" distance="1000" k1="-0.3640" k2="0.3183" k3="-0.3835"/>
            <vignetting model="pa" focal="35" aperture="5.6" distance="0.28" k1="-0.3418" k2="0.0932" k3="-0.0333"/>
            <vignetting model="pa" focal="35" aperture="5.6" distance="0.56" k1="-0.3407" k2="0.0877" k3="-0.0281"/>
            <vignetting model="pa" focal="35" aperture="5.6" distance="1.68" k1="-0.3421" k2="0.0945" k3="-0.0351"/>
            <vignetting model="pa" focal="35" aperture="5.6" distance="1000" k1="-0.3391" k2="0.0827" k3="-0.0251"/>
            <vignetting model="pa" focal="35" aperture="8" distance="0.28" k1="-0.3144" k2="-0.0344" k3="0.0846"/>
            <vignetting model="pa" focal="35" aperture="8" distance="0.56" k1="-0.3147" k2="-0.0346" k3="0.0857"/>
            <vignetting model="pa" focal="35" aperture="8" distance="1.68" k1="-0.3136" k2="-0.0376" k3="0.0871"/>
            <vignetting model="pa" focal="35" aperture="8" distance="1000" k1="-0.3146" k2="-0.0350" k3="0.0851"/>
            <vignetting model="pa" focal="35" aperture="22" distance="0.28" k1="-0.3450" k2="0.0074" k3="0.0643"/>
            <vignetting model="pa" focal="35" aperture="22" distance="0.56" k1="-0.3485" k2="0.0189" k3="0.0557"/>
            <vignetting model="pa" focal="35" aperture="22" distance="1.68" k1="-0.3444" k2="0.0068" k3="0.0643"/>
            <vignetting model="pa" focal="35" aperture="22" distance="1000" k1="-0.3444" k2="0.0067" k3="0.0643"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 16-35mm f/2.8L II USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <!-- Taken with Canon 5D Mark III -->
            <distortion model="ptlens" focal="16" a="0.0065" b="-0.01669" c="-0.01549"/>
            <distortion model="ptlens" focal="19" a="0.01125" b="-0.02255" c="-0.00278"/>
            <distortion model="ptlens" focal="23" a="0.01448" b="-0.02598" c="0.00708"/>
            <distortion model="ptlens" focal="29" a="0.0151" b="-0.03003" c="0.0198"/>
            <distortion model="ptlens" focal="35" a="0.00983" b="-0.01708" c="0.01203"/>
            <tca model="poly3" focal="16" br="0.0000346" vr="1.0003744" bb="0.0000537" vb="0.9998434"/>
            <tca model="poly3" focal="19" br="0.0001428" vr="1.0000967" bb="-0.0000753" vb="1.0000994"/>
            <tca model="poly3" focal="23" br="0.0001177" vr="0.9999705" bb="-0.0001226" vb="1.0002366"/>
            <tca model="poly3" focal="29" br="0.0000772" vr="0.9999754" bb="-0.0001150" vb="1.0002127"/>
            <tca model="poly3" focal="35" br="0.0001107" vr="0.9999553" bb="-0.0001430" vb="1.0001705"/>
            <vignetting model="pa" focal="17" aperture="2.8" distance="10" k1="-0.2764" k2="-1.2603" k3="0.7727"/>
            <vignetting model="pa" focal="17" aperture="2.8" distance="1000" k1="-0.2764" k2="-1.2603" k3="0.7727"/>
            <vignetting model="pa" focal="17" aperture="4" distance="10" k1="-0.6197" k2="0.1018" k3="-0.1071"/>
            <vignetting model="pa" focal="17" aperture="4" distance="1000" k1="-0.6197" k2="0.1018" k3="-0.1071"/>
            <vignetting model="pa" focal="17" aperture="5.6" distance="10" k1="-0.6727" k2="0.1945" k3="-0.0389"/>
            <vignetting model="pa" focal="17" aperture="5.6" distance="1000" k1="-0.6727" k2="0.1945" k3="-0.0389"/>
            <vignetting model="pa" focal="17" aperture="8" distance="10" k1="-0.6444" k2="0.0485" k3="0.1125"/>
            <vignetting model="pa" focal="17" aperture="8" distance="1000" k1="-0.6444" k2="0.0485" k3="0.1125"/>
            <vignetting model="pa" focal="17" aperture="22" distance="10" k1="-0.6606" k2="0.0672" k3="0.1053"/>
            <vignetting model="pa" focal="17" aperture="22" distance="1000" k1="-0.6606" k2="0.0672" k3="0.1053"/>
            <vignetting model="pa" focal="20" aperture="2.8" distance="10" k1="-0.4367" k2="-0.8197" k3="0.6391"/>
            <vignetting model="pa" focal="20" aperture="2.8" distance="1000" k1="-0.4367" k2="-0.8197" k3="0.6391"/>
            <vignetting model="pa" focal="20" aperture="4" distance="10" k1="-0.4943" k2="-0.1060" k3="0.1060"/>
            <vignetting model="pa" focal="20" aperture="4" distance="1000" k1="-0.4943" k2="-0.1060" k3="0.1060"/>
            <vignetting model="pa" focal="20" aperture="5.6" distance="10" k1="-0.5401" k2="-0.0066" k3="0.1095"/>
            <vignetting model="pa" focal="20" aperture="5.6" distance="1000" k1="-0.5401" k2="-0.0066" k3="0.1095"/>
            <vignetting model="pa" focal="20" aperture="8" distance="10" k1="-0.5397" k2="-0.0258" k3="0.1319"/>
            <vignetting model="pa" focal="20" aperture="8" distance="1000" k1="-0.5397" k2="-0.0258" k3="0.1319"/>
            <vignetting model="pa" focal="20" aperture="22" distance="10" k1="-0.5614" k2="0.0013" k3="0.1196"/>
            <vignetting model="pa" focal="20" aperture="22" distance="1000" k1="-0.5614" k2="0.0013" k3="0.1196"/>
            <vignetting model="pa" focal="24" aperture="2.8" distance="10" k1="-0.6908" k2="-0.2754" k3="0.3669"/>
            <vignetting model="pa" focal="24" aperture="2.8" distance="1000" k1="-0.6908" k2="-0.2754" k3="0.3669"/>
            <vignetting model="pa" focal="24" aperture="4" distance="10" k1="-0.4357" k2="0.0472" k3="0.0062"/>
            <vignetting model="pa" focal="24" aperture="4" distance="1000" k1="-0.4357" k2="0.0472" k3="0.0062"/>
            <vignetting model="pa" focal="24" aperture="5.6" distance="10" k1="-0.4179" k2="-0.0698" k3="0.1298"/>
            <vignetting model="pa" focal="24" aperture="5.6" distance="1000" k1="-0.4179" k2="-0.0698" k3="0.1298"/>
            <vignetting model="pa" focal="24" aperture="8" distance="10" k1="-0.4258" k2="-0.0556" k3="0.1208"/>
            <vignetting model="pa" focal="24" aperture="8" distance="1000" k1="-0.4258" k2="-0.0556" k3="0.1208"/>
            <vignetting model="pa" focal="24" aperture="22" distance="10" k1="-0.4462" k2="-0.0326" k3="0.1112"/>
            <vignetting model="pa" focal="24" aperture="22" distance="1000" k1="-0.4462" k2="-0.0326" k3="0.1112"/>
            <vignetting model="pa" focal="28" aperture="2.8" distance="10" k1="-0.9870" k2="0.4548" k3="-0.0802"/>
            <vignetting model="pa" focal="28" aperture="2.8" distance="1000" k1="-0.9870" k2="0.4548" k3="-0.0802"/>
            <vignetting model="pa" focal="28" aperture="4" distance="10" k1="-0.3918" k2="0.2125" k3="-0.2043"/>
            <vignetting model="pa" focal="28" aperture="4" distance="1000" k1="-0.3918" k2="0.2125" k3="-0.2043"/>
            <vignetting model="pa" focal="28" aperture="5.6" distance="10" k1="-0.3420" k2="-0.0621" k3="0.1087"/>
            <vignetting model="pa" focal="28" aperture="5.6" distance="1000" k1="-0.3420" k2="-0.0621" k3="0.1087"/>
            <vignetting model="pa" focal="28" aperture="8" distance="10" k1="-0.3474" k2="-0.0530" k3="0.1027"/>
            <vignetting model="pa" focal="28" aperture="8" distance="1000" k1="-0.3474" k2="-0.0530" k3="0.1027"/>
            <vignetting model="pa" focal="28" aperture="22" distance="10" k1="-0.3660" k2="-0.0343" k3="0.0938"/>
            <vignetting model="pa" focal="28" aperture="22" distance="1000" k1="-0.3660" k2="-0.0343" k3="0.0938"/>
            <vignetting model="pa" focal="35" aperture="2.8" distance="10" k1="-1.3188" k2="1.3339" k3="-0.6657"/>
            <vignetting model="pa" focal="35" aperture="2.8" distance="1000" k1="-1.3188" k2="1.3339" k3="-0.6657"/>
            <vignetting model="pa" focal="35" aperture="4" distance="10" k1="-0.2677" k2="0.0320" k3="-0.1582"/>
            <vignetting model="pa" focal="35" aperture="4" distance="1000" k1="-0.2677" k2="0.0320" k3="-0.1582"/>
            <vignetting model="pa" focal="35" aperture="5.6" distance="10" k1="-0.2796" k2="-0.0234" k3="0.0700"/>
            <vignetting model="pa" focal="35" aperture="5.6" distance="1000" k1="-0.2796" k2="-0.0234" k3="0.0700"/>
            <vignetting model="pa" focal="35" aperture="8" distance="10" k1="-0.2781" k2="-0.0341" k3="0.0800"/>
            <vignetting model="pa" focal="35" aperture="8" distance="1000" k1="-0.2781" k2="-0.0341" k3="0.0800"/>
            <vignetting model="pa" focal="35" aperture="22" distance="10" k1="-0.2940" k2="-0.0107" k3="0.0656"/>
            <vignetting model="pa" focal="35" aperture="22" distance="1000" k1="-0.2940" k2="-0.0107" k3="0.0656"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 16-35mm f/2.8L III USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <!-- Taken with 5D Mark IV -->
            <distortion model="ptlens" focal="16" a="0.0104208" b="-0.0275753" c="-0.00353756"/>
            <distortion model="ptlens" focal="18" a="0.0117295" b="-0.0346684" c="0.0108644"/>
            <distortion model="ptlens" focal="20" a="0.0114777" b="-0.032469" c="0.018199"/>
            <distortion model="ptlens" focal="22" a="0.0111816" b="-0.0291129" c="0.0222697"/>
            <distortion model="ptlens" focal="35" a="0" b="0.00728713" c="0"/>
            <tca model="poly3" focal="16" br="0.0000773" vr="1.0001564" bb="-0.0000257" vb="1.0000016"/>
            <tca model="poly3" focal="18" vr="1.0002000" vb="0.9999000"/>
            <tca model="poly3" focal="20" br="0.0000502" vr="1.0001041" bb="-0.0000602" vb="1.0000264"/>
            <tca model="poly3" focal="22" br="0.0000675" vr="0.9999704" bb="-0.0001149" vb="1.0001321"/>
            <tca model="poly3" focal="35" br="0.0000855" vr="0.9996872" bb="-0.0001614" vb="1.0003235"/>
            <!-- Copied from Canon EF 16-35mm f/2.8L II USM -->
            <vignetting model="pa" focal="16" aperture="2.8" distance="10" k1="-0.2764" k2="-1.2603" k3="0.7727"/>
            <vignetting model="pa" focal="16" aperture="2.8" distance="1000" k1="-0.2764" k2="-1.2603" k3="0.7727"/>
            <vignetting model="pa" focal="16" aperture="4" distance="10" k1="-0.6197" k2="0.1018" k3="-0.1071"/>
            <vignetting model="pa" focal="16" aperture="4" distance="1000" k1="-0.6197" k2="0.1018" k3="-0.1071"/>
            <vignetting model="pa" focal="16" aperture="5.6" distance="10" k1="-0.6727" k2="0.1945" k3="-0.0389"/>
            <vignetting model="pa" focal="16" aperture="5.6" distance="1000" k1="-0.6727" k2="0.1945" k3="-0.0389"/>
            <vignetting model="pa" focal="16" aperture="8" distance="10" k1="-0.6444" k2="0.0485" k3="0.1125"/>
            <vignetting model="pa" focal="16" aperture="8" distance="1000" k1="-0.6444" k2="0.0485" k3="0.1125"/>
            <vignetting model="pa" focal="16" aperture="22" distance="10" k1="-0.6606" k2="0.0672" k3="0.1053"/>
            <vignetting model="pa" focal="16" aperture="22" distance="1000" k1="-0.6606" k2="0.0672" k3="0.1053"/>
            <vignetting model="pa" focal="20" aperture="2.8" distance="10" k1="-0.4367" k2="-0.8197" k3="0.6391"/>
            <vignetting model="pa" focal="20" aperture="2.8" distance="1000" k1="-0.4367" k2="-0.8197" k3="0.6391"/>
            <vignetting model="pa" focal="20" aperture="4" distance="10" k1="-0.4943" k2="-0.1060" k3="0.1060"/>
            <vignetting model="pa" focal="20" aperture="4" distance="1000" k1="-0.4943" k2="-0.1060" k3="0.1060"/>
            <vignetting model="pa" focal="20" aperture="5.6" distance="10" k1="-0.5401" k2="-0.0066" k3="0.1095"/>
            <vignetting model="pa" focal="20" aperture="5.6" distance="1000" k1="-0.5401" k2="-0.0066" k3="0.1095"/>
            <vignetting model="pa" focal="20" aperture="8" distance="10" k1="-0.5397" k2="-0.0258" k3="0.1319"/>
            <vignetting model="pa" focal="20" aperture="8" distance="1000" k1="-0.5397" k2="-0.0258" k3="0.1319"/>
            <vignetting model="pa" focal="20" aperture="22" distance="10" k1="-0.5614" k2="0.0013" k3="0.1196"/>
            <vignetting model="pa" focal="20" aperture="22" distance="1000" k1="-0.5614" k2="0.0013" k3="0.1196"/>
            <vignetting model="pa" focal="24" aperture="2.8" distance="10" k1="-0.6908" k2="-0.2754" k3="0.3669"/>
            <vignetting model="pa" focal="24" aperture="2.8" distance="1000" k1="-0.6908" k2="-0.2754" k3="0.3669"/>
            <vignetting model="pa" focal="24" aperture="4" distance="10" k1="-0.4357" k2="0.0472" k3="0.0062"/>
            <vignetting model="pa" focal="24" aperture="4" distance="1000" k1="-0.4357" k2="0.0472" k3="0.0062"/>
            <vignetting model="pa" focal="24" aperture="5.6" distance="10" k1="-0.4179" k2="-0.0698" k3="0.1298"/>
            <vignetting model="pa" focal="24" aperture="5.6" distance="1000" k1="-0.4179" k2="-0.0698" k3="0.1298"/>
            <vignetting model="pa" focal="24" aperture="8" distance="10" k1="-0.4258" k2="-0.0556" k3="0.1208"/>
            <vignetting model="pa" focal="24" aperture="8" distance="1000" k1="-0.4258" k2="-0.0556" k3="0.1208"/>
            <vignetting model="pa" focal="24" aperture="22" distance="10" k1="-0.4462" k2="-0.0326" k3="0.1112"/>
            <vignetting model="pa" focal="24" aperture="22" distance="1000" k1="-0.4462" k2="-0.0326" k3="0.1112"/>
            <vignetting model="pa" focal="28" aperture="2.8" distance="10" k1="-0.9870" k2="0.4548" k3="-0.0802"/>
            <vignetting model="pa" focal="28" aperture="2.8" distance="1000" k1="-0.9870" k2="0.4548" k3="-0.0802"/>
            <vignetting model="pa" focal="28" aperture="4" distance="10" k1="-0.3918" k2="0.2125" k3="-0.2043"/>
            <vignetting model="pa" focal="28" aperture="4" distance="1000" k1="-0.3918" k2="0.2125" k3="-0.2043"/>
            <vignetting model="pa" focal="28" aperture="5.6" distance="10" k1="-0.3420" k2="-0.0621" k3="0.1087"/>
            <vignetting model="pa" focal="28" aperture="5.6" distance="1000" k1="-0.3420" k2="-0.0621" k3="0.1087"/>
            <vignetting model="pa" focal="28" aperture="8" distance="10" k1="-0.3474" k2="-0.0530" k3="0.1027"/>
            <vignetting model="pa" focal="28" aperture="8" distance="1000" k1="-0.3474" k2="-0.0530" k3="0.1027"/>
            <vignetting model="pa" focal="28" aperture="22" distance="10" k1="-0.3660" k2="-0.0343" k3="0.0938"/>
            <vignetting model="pa" focal="28" aperture="22" distance="1000" k1="-0.3660" k2="-0.0343" k3="0.0938"/>
            <vignetting model="pa" focal="35" aperture="2.8" distance="10" k1="-1.3188" k2="1.3339" k3="-0.6657"/>
            <vignetting model="pa" focal="35" aperture="2.8" distance="1000" k1="-1.3188" k2="1.3339" k3="-0.6657"/>
            <vignetting model="pa" focal="35" aperture="4" distance="10" k1="-0.2677" k2="0.0320" k3="-0.1582"/>
            <vignetting model="pa" focal="35" aperture="4" distance="1000" k1="-0.2677" k2="0.0320" k3="-0.1582"/>
            <vignetting model="pa" focal="35" aperture="5.6" distance="10" k1="-0.2796" k2="-0.0234" k3="0.0700"/>
            <vignetting model="pa" focal="35" aperture="5.6" distance="1000" k1="-0.2796" k2="-0.0234" k3="0.0700"/>
            <vignetting model="pa" focal="35" aperture="8" distance="10" k1="-0.2781" k2="-0.0341" k3="0.0800"/>
            <vignetting model="pa" focal="35" aperture="8" distance="1000" k1="-0.2781" k2="-0.0341" k3="0.0800"/>
            <vignetting model="pa" focal="35" aperture="22" distance="10" k1="-0.2940" k2="-0.0107" k3="0.0656"/>
            <vignetting model="pa" focal="35" aperture="22" distance="1000" k1="-0.2940" k2="-0.0107" k3="0.0656"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 17-35mm f/2.8L USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="17" a="0.020618" b="-0.051946" c="0"/>
            <distortion model="ptlens" focal="18" a="0.022989" b="-0.054039" c="0"/>
            <distortion model="ptlens" focal="20" a="0.021786" b="-0.050249" c="0"/>
            <distortion model="ptlens" focal="22" a="0.01785" b="-0.039447" c="0"/>
            <distortion model="ptlens" focal="24" a="0.015392" b="-0.032541" c="0"/>
            <distortion model="ptlens" focal="27" a="0.012041" b="-0.022894" c="0"/>
            <distortion model="ptlens" focal="30" a="0.008656" b="-0.01427" c="0"/>
            <distortion model="ptlens" focal="35" a="0.006328" b="-0.008464" c="0"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 17-40mm f/4L USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="17" a="0.020104" b="-0.047886" c="0"/>
            <distortion model="ptlens" focal="19" a="0.016917" b="-0.039854" c="0"/>
            <distortion model="ptlens" focal="20" a="0.015352" b="-0.035125" c="0"/>
            <distortion model="ptlens" focal="22" a="0.01352" b="-0.027379" c="0"/>
            <distortion model="ptlens" focal="24" a="0.012744" b="-0.024334" c="0"/>
            <distortion model="ptlens" focal="26" a="0.012023" b="-0.02158" c="0"/>
            <distortion model="ptlens" focal="28" a="0.008491" b="-0.013858" c="0"/>
            <distortion model="ptlens" focal="32" a="0.007181" b="-0.008983" c="0"/>
            <distortion model="ptlens" focal="35" a="0.006829" b="-0.007622" c="0"/>
            <distortion model="ptlens" focal="37" a="0.006676" b="-0.007544" c="0"/>
            <distortion model="ptlens" focal="40" a="0.00464" b="-0.003826" c="0"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF-S 17-55mm f/2.8 IS USM</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.622</cropfactor>
        <calibration>
            <!-- Taken with cropfactor 1.622 (Canon 50D or 450D) -->
            <distortion model="ptlens" focal="17" a="0.0160544" b="-0.0422842" c="0.00805163"/>
            <distortion model="ptlens" focal="20" a="0.0145107" b="-0.0318653" c="0.012966"/>
            <distortion model="ptlens" focal="23" a="0.0132784" b="-0.0244953" c="0.0194828"/>
            <distortion model="ptlens" focal="28" a="0.00120309" b="0.00979416" c="-0.00868762"/>
            <distortion model="ptlens" focal="35" a="-0.000341579" b="0.0108822" c="-0.00545481"/>
            <distortion model="ptlens" focal="55" a="0.00182321" b="0.00378863" c="0.00103256"/>
            <tca model="poly3" focal="17" br="0.00000027" vr="1.0003199333" bb="-0.00005237" vb="1.0000628667"/>
            <tca model="poly3" focal="20" br="0.00005255" vr="1.00019555" bb="-0.00009695" vb="1.0001321"/>
            <tca model="poly3" focal="23" br="0.0000401" vr="1.0001227" bb="-0.0001004" vb="1.0001355333"/>
            <tca model="poly3" focal="28" br="0.00000895" vr="1.00008565" bb="-0.00009525" vb="1.000148"/>
            <tca model="poly3" focal="35" br="0.00003525" vr="0.9999511" bb="-0.00006825" vb="1.00010915"/>
            <tca model="poly3" focal="55" br="0.0000244" vr="0.9998108667" bb="-0.00006493" vb="1.0000237667"/>
            <vignetting model="pa" focal="17" aperture="2.8" distance="10" k1="-0.3742" k2="-0.5552" k3="0.2884"/>
            <vignetting model="pa" focal="17" aperture="2.8" distance="1000" k1="-0.3742" k2="-0.5552" k3="0.2884"/>
            <vignetting model="pa" focal="17" aperture="4" distance="10" k1="-0.3977" k2="0.2072" k3="-0.2849"/>
            <vignetting model="pa" focal="17" aperture="4" distance="1000" k1="-0.3977" k2="0.2072" k3="-0.2849"/>
            <vignetting model="pa" focal="17" aperture="5.6" distance="10" k1="-0.4182" k2="0.1620" k3="-0.1155"/>
            <vignetting model="pa" focal="17" aperture="5.6" distance="1000" k1="-0.4182" k2="0.1620" k3="-0.1155"/>
            <vignetting model="pa" focal="17" aperture="8" distance="10" k1="-0.3967" k2="0.0370" k3="0.0107"/>
            <vignetting model="pa" focal="17" aperture="8" distance="1000" k1="-0.3967" k2="0.0370" k3="0.0107"/>
            <vignetting model="pa" focal="17" aperture="22" distance="10" k1="-0.4056" k2="0.0409" k3="0.0119"/>
            <vignetting model="pa" focal="17" aperture="22" distance="1000" k1="-0.4056" k2="0.0409" k3="0.0119"/>
            <vignetting model="pa" focal="20" aperture="2.8" distance="10" k1="-0.3195" k2="-0.6248" k3="0.3915"/>
            <vignetting model="pa" focal="20" aperture="2.8" distance="1000" k1="-0.3195" k2="-0.6248" k3="0.3915"/>
            <vignetting model="pa" focal="20" aperture="4" distance="10" k1="-0.3313" k2="0.0514" k3="-0.1318"/>
            <vignetting model="pa" focal="20" aperture="4" distance="1000" k1="-0.3313" k2="0.0514" k3="-0.1318"/>
            <vignetting model="pa" focal="20" aperture="5.6" distance="10" k1="-0.3761" k2="0.1084" k3="-0.0659"/>
            <vignetting model="pa" focal="20" aperture="5.6" distance="1000" k1="-0.3761" k2="0.1084" k3="-0.0659"/>
            <vignetting model="pa" focal="20" aperture="8" distance="10" k1="-0.3652" k2="0.0261" k3="0.0185"/>
            <vignetting model="pa" focal="20" aperture="8" distance="1000" k1="-0.3652" k2="0.0261" k3="0.0185"/>
            <vignetting model="pa" focal="20" aperture="22" distance="10" k1="-0.3667" k2="0.0249" k3="0.0183"/>
            <vignetting model="pa" focal="20" aperture="22" distance="1000" k1="-0.3667" k2="0.0249" k3="0.0183"/>
            <vignetting model="pa" focal="28" aperture="2.8" distance="10" k1="-0.4385" k2="-0.1039" k3="0.0505"/>
            <vignetting model="pa" focal="28" aperture="2.8" distance="1000" k1="-0.4385" k2="-0.1039" k3="0.0505"/>
            <vignetting model="pa" focal="28" aperture="4" distance="10" k1="-0.3052" k2="0.1496" k3="-0.1592"/>
            <vignetting model="pa" focal="28" aperture="4" distance="1000" k1="-0.3052" k2="0.1496" k3="-0.1592"/>
            <vignetting model="pa" focal="28" aperture="5.6" distance="10" k1="-0.2791" k2="-0.0097" k3="0.0249"/>
            <vignetting model="pa" focal="28" aperture="5.6" distance="1000" k1="-0.2791" k2="-0.0097" k3="0.0249"/>
            <vignetting model="pa" focal="28" aperture="8" distance="10" k1="-0.2892" k2="-0.0006" k3="0.0229"/>
            <vignetting model="pa" focal="28" aperture="8" distance="1000" k1="-0.2892" k2="-0.0006" k3="0.0229"/>
            <vignetting model="pa" focal="28" aperture="22" distance="10" k1="-0.2991" k2="0.0147" k3="0.0138"/>
            <vignetting model="pa" focal="28" aperture="22" distance="1000" k1="-0.2991" k2="0.0147" k3="0.0138"/>
            <vignetting model="pa" focal="35" aperture="2.8" distance="10" k1="-0.5586" k2="0.1981" k3="-0.0943"/>
            <vignetting model="pa" focal="35" aperture="2.8" distance="1000" k1="-0.5586" k2="0.1981" k3="-0.0943"/>
            <vignetting model="pa" focal="35" aperture="4" distance="10" k1="-0.2426" k2="0.0667" k3="-0.1102"/>
            <vignetting model="pa" focal="35" aperture="4" distance="1000" k1="-0.2426" k2="0.0667" k3="-0.1102"/>
            <vignetting model="pa" focal="35" aperture="5.6" distance="10" k1="-0.2415" k2="-0.0123" k3="0.0217"/>
            <vignetting model="pa" focal="35" aperture="5.6" distance="1000" k1="-0.2415" k2="-0.0123" k3="0.0217"/>
            <vignetting model="pa" focal="35" aperture="8" distance="10" k1="-0.2532" k2="0.0066" k3="0.0101"/>
            <vignetting model="pa" focal="35" aperture="8" distance="1000" k1="-0.2532" k2="0.0066" k3="0.0101"/>
            <vignetting model="pa" focal="35" aperture="22" distance="10" k1="-0.2649" k2="0.0278" k3="-0.0035"/>
            <vignetting model="pa" focal="35" aperture="22" distance="1000" k1="-0.2649" k2="0.0278" k3="-0.0035"/>
            <vignetting model="pa" focal="55" aperture="2.8" distance="10" k1="-0.8403" k2="1.0171" k3="-0.7026"/>
            <vignetting model="pa" focal="55" aperture="2.8" distance="1000" k1="-0.8403" k2="1.0171" k3="-0.7026"/>
            <vignetting model="pa" focal="55" aperture="4" distance="10" k1="-0.1922" k2="0.0884" k3="-0.1961"/>
            <vignetting model="pa" focal="55" aperture="4" distance="1000" k1="-0.1922" k2="0.0884" k3="-0.1961"/>
            <vignetting model="pa" focal="55" aperture="5.6" distance="10" k1="-0.1910" k2="-0.0130" k3="0.0150"/>
            <vignetting model="pa" focal="55" aperture="5.6" distance="1000" k1="-0.1910" k2="-0.0130" k3="0.0150"/>
            <vignetting model="pa" focal="55" aperture="8" distance="10" k1="-0.1985" k2="-0.0044" k3="0.0129"/>
            <vignetting model="pa" focal="55" aperture="8" distance="1000" k1="-0.1985" k2="-0.0044" k3="0.0129"/>
            <vignetting model="pa" focal="55" aperture="22" distance="10" k1="-0.2180" k2="0.0341" k3="-0.0121"/>
            <vignetting model="pa" focal="55" aperture="22" distance="1000" k1="-0.2180" k2="0.0341" k3="-0.0121"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF-S 17-85mm f/4-5.6 IS USM</model>
        <mount>Canon EF-S</mount>
        <!-- Average crop factor of Canon APS-C cameras -->
        <cropfactor>1.611</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="17" a="0.021181" b="-0.055581" c="0"/>
            <distortion model="ptlens" focal="20" a="0.019344" b="-0.043786" c="0"/>
            <distortion model="ptlens" focal="22" a="0.015491" b="-0.026682" c="0"/>
            <distortion model="ptlens" focal="28" a="0.008084" b="-0.007472" c="0"/>
            <distortion model="ptlens" focal="30" a="0.005522" b="-0.001763" c="0"/>
            <distortion model="ptlens" focal="35" a="0.003149" b="0.002207" c="0"/>
            <distortion model="ptlens" focal="44" a="0" b="0.008269" c="0"/>
            <distortion model="ptlens" focal="53" a="0" b="0.008792" c="0"/>
            <distortion model="ptlens" focal="61" a="0" b="0.00738" c="0"/>
            <distortion model="ptlens" focal="72" a="0" b="0.006226" c="0"/>
            <distortion model="ptlens" focal="78" a="0" b="0.007095" c="0"/>
            <distortion model="ptlens" focal="85" a="0" b="0.007288" c="0"/>
            <!-- Submitted in calibration upload 0daa81 #869 -->
            <tca model="poly3" focal="17" br="-0.0000453" vr="1.0007600" bb="-0.0000006" vb="1.0000753"/>
            <tca model="poly3" focal="22" br="-0.0000311" vr="1.0006021" bb="-0.0000002" vb="1.0001031"/>
            <tca model="poly3" focal="28" br="-0.0000270" vr="1.0003630" bb="-0.0000103" vb="1.0001663"/>
            <tca model="poly3" focal="33" br="-0.0000279" vr="1.0002572" bb="-0.0000145" vb="1.0001895"/>
            <tca model="poly3" focal="38" br="-0.0000161" vr="1.0001173" bb="-0.0000210" vb="1.0002037"/>
            <tca model="poly3" focal="44" br="-0.0000111" vr="1.0000478" bb="-0.0000313" vb="1.0001968"/>
            <tca model="poly3" focal="53" br="0.0000165" vr="0.9999201" bb="-0.0000644" vb="1.0002119"/>
            <tca model="poly3" focal="59" br="0.0000362" vr="0.9998414" bb="-0.0000819" vb="1.0001951"/>
            <tca model="poly3" focal="66" br="0.0000306" vr="0.9998086" bb="-0.0000712" vb="1.0001463"/>
            <tca model="poly3" focal="70" br="0.0000470" vr="0.9997508" bb="-0.0000698" vb="1.0001168"/>
            <tca model="poly3" focal="75" br="0.0000354" vr="0.9997470" bb="-0.0000490" vb="1.0000368"/>
            <tca model="poly3" focal="80" br="0.0000295" vr="0.9997343" bb="-0.0000594" vb="1.0000239"/>
            <tca model="poly3" focal="85" br="0.0000362" vr="0.9996988" bb="-0.0000515" vb="0.9999948"/>
            <!-- Taken with Canon EOS 7D -->
            <vignetting model="pa" focal="17" aperture="4" distance="10" k1="-0.9839" k2="0.7916" k3="-0.4822"/>
            <vignetting model="pa" focal="17" aperture="4" distance="1000" k1="-0.9839" k2="0.7916" k3="-0.4822"/>
            <vignetting model="pa" focal="17" aperture="4.5" distance="10" k1="-0.7345" k2="0.2128" k3="-0.1015"/>
            <vignetting model="pa" focal="17" aperture="4.5" distance="1000" k1="-0.7345" k2="0.2128" k3="-0.1015"/>
            <vignetting model="pa" focal="17" aperture="5" distance="10" k1="-0.5452" k2="-0.0983" k3="0.0523"/>
            <vignetting model="pa" focal="17" aperture="5" distance="1000" k1="-0.5452" k2="-0.0983" k3="0.0523"/>
            <vignetting model="pa" focal="17" aperture="5.6" distance="10" k1="-0.4403" k2="-0.0886" k3="-0.0269"/>
            <vignetting model="pa" focal="17" aperture="5.6" distance="1000" k1="-0.4403" k2="-0.0886" k3="-0.0269"/>
            <vignetting model="pa" focal="17" aperture="6.3" distance="10" k1="-0.4695" k2="0.0600" k3="-0.1363"/>
            <vignetting model="pa" focal="17" aperture="6.3" distance="1000" k1="-0.4695" k2="0.0600" k3="-0.1363"/>
            <vignetting model="pa" focal="17" aperture="22" distance="10" k1="-0.5321" k2="0.0918" k3="-0.0032"/>
            <vignetting model="pa" focal="17" aperture="22" distance="1000" k1="-0.5321" k2="0.0918" k3="-0.0032"/>
            <vignetting model="pa" focal="26" aperture="4.5" distance="10" k1="-0.7861" k2="0.6158" k3="-0.3352"/>
            <vignetting model="pa" focal="26" aperture="4.5" distance="1000" k1="-0.7861" k2="0.6158" k3="-0.3352"/>
            <vignetting model="pa" focal="26" aperture="5" distance="10" k1="-0.3821" k2="-0.2814" k3="0.2136"/>
            <vignetting model="pa" focal="26" aperture="5" distance="1000" k1="-0.3821" k2="-0.2814" k3="0.2136"/>
            <vignetting model="pa" focal="26" aperture="5.6" distance="10" k1="-0.2601" k2="-0.3626" k3="0.2178"/>
            <vignetting model="pa" focal="26" aperture="5.6" distance="1000" k1="-0.2601" k2="-0.3626" k3="0.2178"/>
            <vignetting model="pa" focal="26" aperture="6.3" distance="10" k1="-0.3475" k2="0.0315" k3="-0.0457"/>
            <vignetting model="pa" focal="26" aperture="6.3" distance="1000" k1="-0.3475" k2="0.0315" k3="-0.0457"/>
            <vignetting model="pa" focal="26" aperture="7.1" distance="10" k1="-0.3460" k2="0.0516" k3="-0.0425"/>
            <vignetting model="pa" focal="26" aperture="7.1" distance="1000" k1="-0.3460" k2="0.0516" k3="-0.0425"/>
            <vignetting model="pa" focal="26" aperture="8" distance="10" k1="-0.3237" k2="-0.0383" k3="0.0514"/>
            <vignetting model="pa" focal="26" aperture="8" distance="1000" k1="-0.3237" k2="-0.0383" k3="0.0514"/>
            <vignetting model="pa" focal="26" aperture="25" distance="10" k1="-0.2917" k2="-0.1482" k3="0.1348"/>
            <vignetting model="pa" focal="26" aperture="25" distance="1000" k1="-0.2917" k2="-0.1482" k3="0.1348"/>
            <vignetting model="pa" focal="28" aperture="5" distance="10" k1="-0.2489" k2="-0.4374" k3="0.2732"/>
            <vignetting model="pa" focal="28" aperture="5" distance="1000" k1="-0.2489" k2="-0.4374" k3="0.2732"/>
            <vignetting model="pa" focal="28" aperture="5.6" distance="10" k1="-0.1897" k2="-0.3641" k3="0.1873"/>
            <vignetting model="pa" focal="28" aperture="5.6" distance="1000" k1="-0.1897" k2="-0.3641" k3="0.1873"/>
            <vignetting model="pa" focal="28" aperture="6.3" distance="10" k1="-0.3028" k2="0.0339" k3="-0.0509"/>
            <vignetting model="pa" focal="28" aperture="6.3" distance="1000" k1="-0.3028" k2="0.0339" k3="-0.0509"/>
            <vignetting model="pa" focal="28" aperture="7.1" distance="10" k1="-0.3433" k2="0.1111" k3="-0.0859"/>
            <vignetting model="pa" focal="28" aperture="7.1" distance="1000" k1="-0.3433" k2="0.1111" k3="-0.0859"/>
            <vignetting model="pa" focal="28" aperture="8" distance="10" k1="-0.2702" k2="-0.0878" k3="0.0812"/>
            <vignetting model="pa" focal="28" aperture="8" distance="1000" k1="-0.2702" k2="-0.0878" k3="0.0812"/>
            <vignetting model="pa" focal="28" aperture="25" distance="10" k1="-0.2877" k2="-0.0692" k3="0.0640"/>
            <vignetting model="pa" focal="28" aperture="25" distance="1000" k1="-0.2877" k2="-0.0692" k3="0.0640"/>
            <vignetting model="pa" focal="35" aperture="5" distance="10" k1="-0.5035" k2="0.2321" k3="-0.1364"/>
            <vignetting model="pa" focal="35" aperture="5" distance="1000" k1="-0.5035" k2="0.2321" k3="-0.1364"/>
            <vignetting model="pa" focal="35" aperture="5.6" distance="10" k1="-0.1755" k2="-0.4534" k3="0.2687"/>
            <vignetting model="pa" focal="35" aperture="5.6" distance="1000" k1="-0.1755" k2="-0.4534" k3="0.2687"/>
            <vignetting model="pa" focal="35" aperture="6.3" distance="10" k1="-0.0985" k2="-0.3558" k3="0.1548"/>
            <vignetting model="pa" focal="35" aperture="6.3" distance="1000" k1="-0.0985" k2="-0.3558" k3="0.1548"/>
            <vignetting model="pa" focal="35" aperture="7.1" distance="10" k1="-0.1430" k2="-0.1712" k3="0.0376"/>
            <vignetting model="pa" focal="35" aperture="7.1" distance="1000" k1="-0.1430" k2="-0.1712" k3="0.0376"/>
            <vignetting model="pa" focal="35" aperture="8" distance="10" k1="-0.1692" k2="-0.0942" k3="0.0275"/>
            <vignetting model="pa" focal="35" aperture="8" distance="1000" k1="-0.1692" k2="-0.0942" k3="0.0275"/>
            <vignetting model="pa" focal="35" aperture="29" distance="10" k1="-0.0922" k2="-0.3521" k3="0.2461"/>
            <vignetting model="pa" focal="35" aperture="29" distance="1000" k1="-0.0922" k2="-0.3521" k3="0.2461"/>
            <vignetting model="pa" focal="38" aperture="5" distance="10" k1="-0.5156" k2="0.2868" k3="-0.1743"/>
            <vignetting model="pa" focal="38" aperture="5" distance="1000" k1="-0.5156" k2="0.2868" k3="-0.1743"/>
            <vignetting model="pa" focal="38" aperture="5.6" distance="10" k1="-0.1714" k2="-0.4330" k3="0.2536"/>
            <vignetting model="pa" focal="38" aperture="5.6" distance="1000" k1="-0.1714" k2="-0.4330" k3="0.2536"/>
            <vignetting model="pa" focal="38" aperture="6.3" distance="10" k1="-0.1367" k2="-0.2364" k3="0.0784"/>
            <vignetting model="pa" focal="38" aperture="6.3" distance="1000" k1="-0.1367" k2="-0.2364" k3="0.0784"/>
            <vignetting model="pa" focal="38" aperture="7.1" distance="10" k1="-0.1878" k2="-0.0458" k3="-0.0404"/>
            <vignetting model="pa" focal="38" aperture="7.1" distance="1000" k1="-0.1878" k2="-0.0458" k3="-0.0404"/>
            <vignetting model="pa" focal="38" aperture="8" distance="10" k1="-0.2065" k2="0.0068" k3="-0.0323"/>
            <vignetting model="pa" focal="38" aperture="8" distance="1000" k1="-0.2065" k2="0.0068" k3="-0.0323"/>
            <vignetting model="pa" focal="38" aperture="29" distance="10" k1="-0.1656" k2="-0.1209" k3="0.0665"/>
            <vignetting model="pa" focal="38" aperture="29" distance="1000" k1="-0.1656" k2="-0.1209" k3="0.0665"/>
            <vignetting model="pa" focal="53" aperture="5.6" distance="10" k1="-0.4093" k2="0.2146" k3="-0.1754"/>
            <vignetting model="pa" focal="53" aperture="5.6" distance="1000" k1="-0.4093" k2="0.2146" k3="-0.1754"/>
            <vignetting model="pa" focal="53" aperture="6.3" distance="10" k1="-0.0500" k2="-0.3674" k3="0.1460"/>
            <vignetting model="pa" focal="53" aperture="6.3" distance="1000" k1="-0.0500" k2="-0.3674" k3="0.1460"/>
            <vignetting model="pa" focal="53" aperture="7.1" distance="10" k1="-0.0966" k2="-0.1491" k3="0.0173"/>
            <vignetting model="pa" focal="53" aperture="7.1" distance="1000" k1="-0.0966" k2="-0.1491" k3="0.0173"/>
            <vignetting model="pa" focal="53" aperture="8" distance="10" k1="-0.1148" k2="-0.0673" k3="0.0180"/>
            <vignetting model="pa" focal="53" aperture="8" distance="1000" k1="-0.1148" k2="-0.0673" k3="0.0180"/>
            <vignetting model="pa" focal="53" aperture="9" distance="10" k1="-0.0807" k2="-0.1719" k3="0.1151"/>
            <vignetting model="pa" focal="53" aperture="9" distance="1000" k1="-0.0807" k2="-0.1719" k3="0.1151"/>
            <vignetting model="pa" focal="53" aperture="10" distance="10" k1="-0.0692" k2="-0.2160" k3="0.1485"/>
            <vignetting model="pa" focal="53" aperture="10" distance="1000" k1="-0.0692" k2="-0.2160" k3="0.1485"/>
            <vignetting model="pa" focal="53" aperture="11" distance="10" k1="-0.0497" k2="-0.2226" k3="0.1314"/>
            <vignetting model="pa" focal="53" aperture="11" distance="1000" k1="-0.0497" k2="-0.2226" k3="0.1314"/>
            <vignetting model="pa" focal="53" aperture="32" distance="10" k1="-0.0860" k2="-0.1878" k3="0.1212"/>
            <vignetting model="pa" focal="53" aperture="32" distance="1000" k1="-0.0860" k2="-0.1878" k3="0.1212"/>
            <vignetting model="pa" focal="72" aperture="5.6" distance="10" k1="-0.3860" k2="0.3683" k3="-0.3967"/>
            <vignetting model="pa" focal="72" aperture="5.6" distance="1000" k1="-0.3860" k2="0.3683" k3="-0.3967"/>
            <vignetting model="pa" focal="72" aperture="6.3" distance="10" k1="-0.0236" k2="-0.3146" k3="0.0228"/>
            <vignetting model="pa" focal="72" aperture="6.3" distance="1000" k1="-0.0236" k2="-0.3146" k3="0.0228"/>
            <vignetting model="pa" focal="72" aperture="7.1" distance="10" k1="-0.0635" k2="-0.1203" k3="-0.0597"/>
            <vignetting model="pa" focal="72" aperture="7.1" distance="1000" k1="-0.0635" k2="-0.1203" k3="-0.0597"/>
            <vignetting model="pa" focal="72" aperture="8" distance="10" k1="-0.0834" k2="-0.0302" k3="-0.0686"/>
            <vignetting model="pa" focal="72" aperture="8" distance="1000" k1="-0.0834" k2="-0.0302" k3="-0.0686"/>
            <vignetting model="pa" focal="72" aperture="9" distance="10" k1="-0.1124" k2="0.0418" k3="-0.0635"/>
            <vignetting model="pa" focal="72" aperture="9" distance="1000" k1="-0.1124" k2="0.0418" k3="-0.0635"/>
            <vignetting model="pa" focal="72" aperture="10" distance="10" k1="-0.0908" k2="-0.0947" k3="0.0638"/>
            <vignetting model="pa" focal="72" aperture="10" distance="1000" k1="-0.0908" k2="-0.0947" k3="0.0638"/>
            <vignetting model="pa" focal="72" aperture="32" distance="10" k1="-0.0655" k2="-0.1198" k3="0.0679"/>
            <vignetting model="pa" focal="72" aperture="32" distance="1000" k1="-0.0655" k2="-0.1198" k3="0.0679"/>
            <vignetting model="pa" focal="85" aperture="5.6" distance="10" k1="-0.3522" k2="0.3365" k3="-0.4201"/>
            <vignetting model="pa" focal="85" aperture="5.6" distance="1000" k1="-0.3522" k2="0.3365" k3="-0.4201"/>
            <vignetting model="pa" focal="85" aperture="6.3" distance="10" k1="-0.0345" k2="-0.1606" k3="-0.1367"/>
            <vignetting model="pa" focal="85" aperture="6.3" distance="1000" k1="-0.0345" k2="-0.1606" k3="-0.1367"/>
            <vignetting model="pa" focal="85" aperture="7.1" distance="10" k1="-0.1223" k2="0.1673" k3="-0.3159"/>
            <vignetting model="pa" focal="85" aperture="7.1" distance="1000" k1="-0.1223" k2="0.1673" k3="-0.3159"/>
            <vignetting model="pa" focal="85" aperture="8" distance="10" k1="-0.0663" k2="0.0212" k3="-0.1476"/>
            <vignetting model="pa" focal="85" aperture="8" distance="1000" k1="-0.0663" k2="0.0212" k3="-0.1476"/>
            <vignetting model="pa" focal="85" aperture="9" distance="10" k1="-0.0582" k2="-0.0703" k3="0.0039"/>
            <vignetting model="pa" focal="85" aperture="9" distance="1000" k1="-0.0582" k2="-0.0703" k3="0.0039"/>
            <vignetting model="pa" focal="85" aperture="10" distance="10" k1="-0.0741" k2="-0.0821" k3="0.0460"/>
            <vignetting model="pa" focal="85" aperture="10" distance="1000" k1="-0.0741" k2="-0.0821" k3="0.0460"/>
            <vignetting model="pa" focal="85" aperture="11" distance="10" k1="-0.0642" k2="-0.1014" k3="0.0585"/>
            <vignetting model="pa" focal="85" aperture="11" distance="1000" k1="-0.0642" k2="-0.1014" k3="0.0585"/>
            <vignetting model="pa" focal="85" aperture="32" distance="10" k1="-0.0592" k2="-0.1610" k3="0.1195"/>
            <vignetting model="pa" focal="85" aperture="32" distance="1000" k1="-0.0592" k2="-0.1610" k3="0.1195"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF-S 18-55mm f/3.5-5.6</model>
        <mount>Canon EF-S</mount>
        <!-- Average crop factor of Canon APS-C cameras -->
        <cropfactor>1.611</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="18" a="0" b="0.003658" c="-0.04063"/>
            <distortion model="ptlens" focal="21" a="0" b="0.004255" c="-0.038513"/>
            <distortion model="ptlens" focal="24" a="0" b="-0.000965" c="-0.019793"/>
            <distortion model="ptlens" focal="27" a="0" b="0.001701" c="-0.014516"/>
            <distortion model="ptlens" focal="30" a="0" b="0.003199" c="-0.012047"/>
            <distortion model="ptlens" focal="33" a="0" b="3.4e-05" c="-0.005236"/>
            <distortion model="ptlens" focal="37" a="0" b="0.00556" c="-0.016032"/>
            <distortion model="ptlens" focal="41" a="0" b="0.001585" c="-0.007594"/>
            <distortion model="ptlens" focal="45" a="0" b="0.00577" c="-0.015688"/>
            <distortion model="ptlens" focal="48" a="0" b="0.001543" c="-0.003821"/>
            <distortion model="ptlens" focal="53" a="0" b="-0.001301" c="0.001515"/>
            <distortion model="ptlens" focal="55" a="0" b="0.000426" c="-0.001817"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF-S 18-55mm f/3.5-5.6 IS II</model>
        <mount>Canon EF-S</mount>
        <!-- Average crop factor of Canon APS-C cameras -->
        <cropfactor>1.611</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="18" a="0.02504" b="-0.06883" c="0.01502"/>
            <distortion model="ptlens" focal="24" a="0.0203" b="-0.06514" c="0.04768"/>
            <distortion model="ptlens" focal="29" a="0.00854" b="-0.01505" c="-0.00639"/>
            <distortion model="ptlens" focal="35" a="-0.01582" b="0.04918" c="-0.05313"/>
            <distortion model="ptlens" focal="41" a="-0.00694" b="0.02694" c="-0.03595"/>
            <distortion model="ptlens" focal="46" a="-0.01908" b="0.07131" c="-0.08927"/>
            <distortion model="ptlens" focal="55" a="-0.00098" b="0.01803" c="-0.04704"/>
            <tca model="poly3" focal="18" br="-0.0000920" vr="1.0002970" bb="0.0000982" vb="0.9999149"/>
            <tca model="poly3" focal="24" br="0.0000221" vr="1.0001910" bb="0.0000350" vb="0.9999440"/>
            <tca model="poly3" focal="35" br="-0.0000353" vr="1.0002159" bb="0.0000109" vb="1.0000923"/>
            <tca model="poly3" focal="55" br="-0.0000040" vr="0.9999122" bb="0.0000987" vb="1.0002719"/>
            <!-- Taken with Canon 60D -->
            <vignetting model="pa" focal="18" aperture="3.5" distance="10" k1="-1.0561" k2="1.0344" k3="-0.5153"/>
            <vignetting model="pa" focal="18" aperture="3.5" distance="1000" k1="-1.0561" k2="1.0344" k3="-0.5153"/>
            <vignetting model="pa" focal="18" aperture="5" distance="10" k1="-0.2220" k2="-0.1411" k3="0.0360"/>
            <vignetting model="pa" focal="18" aperture="5" distance="1000" k1="-0.2220" k2="-0.1411" k3="0.0360"/>
            <vignetting model="pa" focal="18" aperture="7.1" distance="10" k1="-0.2592" k2="-0.0288" k3="0.0454"/>
            <vignetting model="pa" focal="18" aperture="7.1" distance="1000" k1="-0.2592" k2="-0.0288" k3="0.0454"/>
            <vignetting model="pa" focal="18" aperture="10" distance="10" k1="-0.2481" k2="-0.0590" k3="0.0718"/>
            <vignetting model="pa" focal="18" aperture="10" distance="1000" k1="-0.2481" k2="-0.0590" k3="0.0718"/>
            <vignetting model="pa" focal="18" aperture="22" distance="10" k1="-0.2556" k2="-0.0362" k3="0.0561"/>
            <vignetting model="pa" focal="18" aperture="22" distance="1000" k1="-0.2556" k2="-0.0362" k3="0.0561"/>
            <vignetting model="pa" focal="24" aperture="4" distance="10" k1="-1.0024" k2="0.9594" k3="-0.4295"/>
            <vignetting model="pa" focal="24" aperture="4" distance="1000" k1="-1.0024" k2="0.9594" k3="-0.4295"/>
            <vignetting model="pa" focal="24" aperture="5.6" distance="10" k1="-0.2052" k2="-0.0627" k3="0.0138"/>
            <vignetting model="pa" focal="24" aperture="5.6" distance="1000" k1="-0.2052" k2="-0.0627" k3="0.0138"/>
            <vignetting model="pa" focal="24" aperture="8" distance="10" k1="-0.2174" k2="-0.0355" k3="0.0507"/>
            <vignetting model="pa" focal="24" aperture="8" distance="1000" k1="-0.2174" k2="-0.0355" k3="0.0507"/>
            <vignetting model="pa" focal="24" aperture="11" distance="10" k1="-0.2221" k2="-0.0135" k3="0.0328"/>
            <vignetting model="pa" focal="24" aperture="11" distance="1000" k1="-0.2221" k2="-0.0135" k3="0.0328"/>
            <vignetting model="pa" focal="24" aperture="25" distance="10" k1="-0.2271" k2="-0.0013" k3="0.0264"/>
            <vignetting model="pa" focal="24" aperture="25" distance="1000" k1="-0.2271" k2="-0.0013" k3="0.0264"/>
            <vignetting model="pa" focal="35" aperture="4.5" distance="10" k1="-0.8979" k2="0.8590" k3="-0.3739"/>
            <vignetting model="pa" focal="35" aperture="4.5" distance="1000" k1="-0.8979" k2="0.8590" k3="-0.3739"/>
            <vignetting model="pa" focal="35" aperture="6.3" distance="10" k1="-0.1705" k2="0.0095" k3="0.0034"/>
            <vignetting model="pa" focal="35" aperture="6.3" distance="1000" k1="-0.1705" k2="0.0095" k3="0.0034"/>
            <vignetting model="pa" focal="35" aperture="9" distance="10" k1="-0.1596" k2="-0.0276" k3="0.0402"/>
            <vignetting model="pa" focal="35" aperture="9" distance="1000" k1="-0.1596" k2="-0.0276" k3="0.0402"/>
            <vignetting model="pa" focal="35" aperture="13" distance="10" k1="-0.1628" k2="-0.0122" k3="0.0266"/>
            <vignetting model="pa" focal="35" aperture="13" distance="1000" k1="-0.1628" k2="-0.0122" k3="0.0266"/>
            <vignetting model="pa" focal="35" aperture="29" distance="10" k1="-0.1697" k2="-0.0014" k3="0.0232"/>
            <vignetting model="pa" focal="35" aperture="29" distance="1000" k1="-0.1697" k2="-0.0014" k3="0.0232"/>
            <vignetting model="pa" focal="44" aperture="5" distance="10" k1="-0.7801" k2="0.7126" k3="-0.3029"/>
            <vignetting model="pa" focal="44" aperture="5" distance="1000" k1="-0.7801" k2="0.7126" k3="-0.3029"/>
            <vignetting model="pa" focal="44" aperture="7.1" distance="10" k1="-0.1212" k2="-0.0367" k3="0.0421"/>
            <vignetting model="pa" focal="44" aperture="7.1" distance="1000" k1="-0.1212" k2="-0.0367" k3="0.0421"/>
            <vignetting model="pa" focal="44" aperture="10" distance="10" k1="-0.1182" k2="-0.0390" k3="0.0413"/>
            <vignetting model="pa" focal="44" aperture="10" distance="1000" k1="-0.1182" k2="-0.0390" k3="0.0413"/>
            <vignetting model="pa" focal="44" aperture="14" distance="10" k1="-0.1231" k2="-0.0185" k3="0.0234"/>
            <vignetting model="pa" focal="44" aperture="14" distance="1000" k1="-0.1231" k2="-0.0185" k3="0.0234"/>
            <vignetting model="pa" focal="44" aperture="32" distance="10" k1="-0.1287" k2="-0.0104" k3="0.0195"/>
            <vignetting model="pa" focal="44" aperture="32" distance="1000" k1="-0.1287" k2="-0.0104" k3="0.0195"/>
            <vignetting model="pa" focal="55" aperture="5.6" distance="10" k1="-0.6591" k2="0.5689" k3="-0.2458"/>
            <vignetting model="pa" focal="55" aperture="5.6" distance="1000" k1="-0.6591" k2="0.5689" k3="-0.2458"/>
            <vignetting model="pa" focal="55" aperture="8" distance="10" k1="-0.1094" k2="0.0203" k3="-0.0134"/>
            <vignetting model="pa" focal="55" aperture="8" distance="1000" k1="-0.1094" k2="0.0203" k3="-0.0134"/>
            <vignetting model="pa" focal="55" aperture="11" distance="10" k1="-0.0920" k2="-0.0433" k3="0.0418"/>
            <vignetting model="pa" focal="55" aperture="11" distance="1000" k1="-0.0920" k2="-0.0433" k3="0.0418"/>
            <vignetting model="pa" focal="55" aperture="16" distance="10" k1="-0.0963" k2="-0.0311" k3="0.0313"/>
            <vignetting model="pa" focal="55" aperture="16" distance="1000" k1="-0.0963" k2="-0.0311" k3="0.0313"/>
            <vignetting model="pa" focal="55" aperture="36" distance="10" k1="-0.1112" k2="-0.0014" k3="0.0113"/>
            <vignetting model="pa" focal="55" aperture="36" distance="1000" k1="-0.1112" k2="-0.0014" k3="0.0113"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF-S 18-55mm f/3.5-5.6 III</model>
        <mount>Canon EF-S</mount>
        <!-- Average crop factor of Canon APS-C cameras -->
        <cropfactor>1.611</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="18" a="0.00029" b="-0.00065" c="-0.04054"/>
            <distortion model="ptlens" focal="20" a="0.00913" b="-0.024255" c="-0.02326"/>
            <distortion model="ptlens" focal="21" a="0.0219" b="-0.05865" c="0.01747"/>
            <distortion model="ptlens" focal="24" a="0.02945" b="-0.07112" c="0.02358"/>
            <distortion model="ptlens" focal="27" a="-0.00225" b="0.00421" c="-0.02519"/>
            <distortion model="ptlens" focal="28" a="0.00888" b="-0.02851" c="0.00655"/>
            <distortion model="ptlens" focal="29" a="-0.00423" b="0.01103" c="-0.02517"/>
            <distortion model="ptlens" focal="30" a="-0.02064" b="0.0652" c="-0.07411"/>
            <distortion model="ptlens" focal="33" a="0.00378" b="-0.00627" c="-0.00869"/>
            <distortion model="ptlens" focal="34" a="0.00579" b="-0.01787" c="0.00697"/>
            <distortion model="ptlens" focal="36" a="0.00139" b="0.00016" c="-0.00891"/>
            <distortion model="ptlens" focal="37" a="-0.01074" b="0.01955" c="0.00324"/>
            <distortion model="ptlens" focal="40" a="-0.00209" b="-0.00426" c="-0.01103"/>
            <distortion model="ptlens" focal="41" a="-0.00308" b="0.01968" c="-0.03451"/>
            <distortion model="ptlens" focal="43" a="-0.00935" b="0.02372" c="-0.03174"/>
            <distortion model="ptlens" focal="44" a="0.00283" b="0.00211" c="-0.01406"/>
            <distortion model="ptlens" focal="47" a="-0.01247" b="0.03006" c="-0.01156"/>
            <distortion model="ptlens" focal="49" a="0.00841" b="-0.04436" c="0.06329"/>
            <distortion model="ptlens" focal="53" a="0.00359" b="-0.01264" c="0.01563"/>
            <distortion model="ptlens" focal="55" a="-0.0117" b="0.03217" c="-0.02069"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF-S 18-55mm f/3.5-5.6 IS STM</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.613</cropfactor>
        <calibration>
            <!-- Taken with Canon 650D -->
            <distortion model="ptlens" focal="18" a="0.01786" b="-0.05378" c="0.01216"/>
            <distortion model="ptlens" focal="24" a="0.0064" b="-0.02273" c="0.00328"/>
            <distortion model="ptlens" focal="35" a="0" b="-0.00137" c="0"/>
            <distortion model="ptlens" focal="43" a="0" b="0.00011" c="0"/>
            <distortion model="ptlens" focal="55" a="0" b="-0.00012" c="0"/>
            <tca model="poly3" focal="18" br="-0.0003128" vr="1.0007525" bb="0.0002958" vb="0.9996711"/>
            <tca model="poly3" focal="24" br="-0.0001237" vr="1.0005359" bb="0.0001253" vb="0.9997927"/>
            <tca model="poly3" focal="35" br="-0.0000215" vr="1.0001845" bb="0.0000311" vb="0.9999607"/>
            <tca model="poly3" focal="43" br="-0.0000179" vr="1.0000762" bb="-0.0000077" vb="1.0000989"/>
            <tca model="poly3" focal="55" br="-0.0000044" vr="0.9999721" bb="0.0000116" vb="1.0001682"/>
            <vignetting model="pa" focal="18" aperture="3.5" distance="10" k1="-1.2310" k2="1.1507" k3="-0.5518"/>
            <vignetting model="pa" focal="18" aperture="3.5" distance="1000" k1="-1.2310" k2="1.1507" k3="-0.5518"/>
            <vignetting model="pa" focal="18" aperture="4" distance="10" k1="-0.6610" k2="0.0708" k3="0.0281"/>
            <vignetting model="pa" focal="18" aperture="4" distance="1000" k1="-0.6610" k2="0.0708" k3="0.0281"/>
            <vignetting model="pa" focal="18" aperture="5.6" distance="10" k1="-0.2474" k2="-0.1020" k3="-0.0253"/>
            <vignetting model="pa" focal="18" aperture="5.6" distance="1000" k1="-0.2474" k2="-0.1020" k3="-0.0253"/>
            <vignetting model="pa" focal="18" aperture="8" distance="10" k1="-0.2978" k2="0.0609" k3="-0.0342"/>
            <vignetting model="pa" focal="18" aperture="8" distance="1000" k1="-0.2978" k2="0.0609" k3="-0.0342"/>
            <vignetting model="pa" focal="18" aperture="22" distance="10" k1="-0.2600" k2="-0.0548" k3="0.0630"/>
            <vignetting model="pa" focal="18" aperture="22" distance="1000" k1="-0.2600" k2="-0.0548" k3="0.0630"/>
            <vignetting model="pa" focal="20" aperture="3.5" distance="10" k1="-1.2072" k2="1.1094" k3="-0.5115"/>
            <vignetting model="pa" focal="20" aperture="3.5" distance="1000" k1="-1.2072" k2="1.1094" k3="-0.5115"/>
            <vignetting model="pa" focal="20" aperture="4" distance="10" k1="-0.5605" k2="-0.1036" k3="0.1414"/>
            <vignetting model="pa" focal="20" aperture="4" distance="1000" k1="-0.5605" k2="-0.1036" k3="0.1414"/>
            <vignetting model="pa" focal="20" aperture="5.6" distance="10" k1="-0.2422" k2="-0.1012" k3="0.0124"/>
            <vignetting model="pa" focal="20" aperture="5.6" distance="1000" k1="-0.2422" k2="-0.1012" k3="0.0124"/>
            <vignetting model="pa" focal="20" aperture="8" distance="10" k1="-0.2701" k2="-0.0657" k3="0.0976"/>
            <vignetting model="pa" focal="20" aperture="8" distance="1000" k1="-0.2701" k2="-0.0657" k3="0.0976"/>
            <vignetting model="pa" focal="20" aperture="11" distance="10" k1="-0.2495" k2="-0.1178" k3="0.1350"/>
            <vignetting model="pa" focal="20" aperture="11" distance="1000" k1="-0.2495" k2="-0.1178" k3="0.1350"/>
            <vignetting model="pa" focal="20" aperture="22" distance="10" k1="-0.2295" k2="-0.1696" k3="0.1705"/>
            <vignetting model="pa" focal="20" aperture="22" distance="1000" k1="-0.2295" k2="-0.1696" k3="0.1705"/>
            <vignetting model="pa" focal="24" aperture="4" distance="10" k1="-1.1357" k2="1.0683" k3="-0.4894"/>
            <vignetting model="pa" focal="24" aperture="4" distance="1000" k1="-1.1357" k2="1.0683" k3="-0.4894"/>
            <vignetting model="pa" focal="24" aperture="5.6" distance="10" k1="-0.2295" k2="-0.0672" k3="-0.0057"/>
            <vignetting model="pa" focal="24" aperture="5.6" distance="1000" k1="-0.2295" k2="-0.0672" k3="-0.0057"/>
            <vignetting model="pa" focal="24" aperture="8" distance="10" k1="-0.2905" k2="0.0785" k3="-0.0092"/>
            <vignetting model="pa" focal="24" aperture="8" distance="1000" k1="-0.2905" k2="0.0785" k3="-0.0092"/>
            <vignetting model="pa" focal="24" aperture="11" distance="10" k1="-0.2863" k2="0.0372" k3="0.0264"/>
            <vignetting model="pa" focal="24" aperture="11" distance="1000" k1="-0.2863" k2="0.0372" k3="0.0264"/>
            <vignetting model="pa" focal="24" aperture="25" distance="10" k1="-0.3434" k2="0.2425" k3="-0.1344"/>
            <vignetting model="pa" focal="24" aperture="25" distance="1000" k1="-0.3434" k2="0.2425" k3="-0.1344"/>
            <vignetting model="pa" focal="34" aperture="4.5" distance="10" k1="-0.7374" k2="0.3860" k3="-0.0945"/>
            <vignetting model="pa" focal="34" aperture="4.5" distance="1000" k1="-0.7374" k2="0.3860" k3="-0.0945"/>
            <vignetting model="pa" focal="34" aperture="5.6" distance="10" k1="-0.1209" k2="-0.0993" k3="0.0046"/>
            <vignetting model="pa" focal="34" aperture="5.6" distance="1000" k1="-0.1209" k2="-0.0993" k3="0.0046"/>
            <vignetting model="pa" focal="34" aperture="8" distance="10" k1="-0.1718" k2="0.0249" k3="-0.0101"/>
            <vignetting model="pa" focal="34" aperture="8" distance="1000" k1="-0.1718" k2="0.0249" k3="-0.0101"/>
            <vignetting model="pa" focal="34" aperture="11" distance="10" k1="-0.1792" k2="0.0388" k3="-0.0182"/>
            <vignetting model="pa" focal="34" aperture="11" distance="1000" k1="-0.1792" k2="0.0388" k3="-0.0182"/>
            <vignetting model="pa" focal="34" aperture="29" distance="10" k1="-0.1847" k2="0.0566" k3="-0.0291"/>
            <vignetting model="pa" focal="34" aperture="29" distance="1000" k1="-0.1847" k2="0.0566" k3="-0.0291"/>
            <vignetting model="pa" focal="55" aperture="5.6" distance="10" k1="-0.5452" k2="0.3102" k3="-0.1191"/>
            <vignetting model="pa" focal="55" aperture="5.6" distance="1000" k1="-0.5452" k2="0.3102" k3="-0.1191"/>
            <vignetting model="pa" focal="55" aperture="8" distance="10" k1="-0.0469" k2="-0.1196" k3="0.0643"/>
            <vignetting model="pa" focal="55" aperture="8" distance="1000" k1="-0.0469" k2="-0.1196" k3="0.0643"/>
            <vignetting model="pa" focal="55" aperture="11" distance="10" k1="-0.0339" k2="-0.1609" k3="0.1004"/>
            <vignetting model="pa" focal="55" aperture="11" distance="1000" k1="-0.0339" k2="-0.1609" k3="0.1004"/>
            <vignetting model="pa" focal="55" aperture="16" distance="10" k1="-0.1795" k2="0.1558" k3="-0.0968"/>
            <vignetting model="pa" focal="55" aperture="16" distance="1000" k1="-0.1795" k2="0.1558" k3="-0.0968"/>
            <vignetting model="pa" focal="55" aperture="36" distance="10" k1="-0.1913" k2="0.2738" k3="-0.2032"/>
            <vignetting model="pa" focal="55" aperture="36" distance="1000" k1="-0.1913" k2="0.2738" k3="-0.2032"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 20mm f/2.8 USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <!-- Taken with Canon 5D Mark III -->
            <distortion model="ptlens" focal="20" a="0.02466" b="-0.05795" c="0.0166"/>
            <tca model="poly3" focal="20" br="-0.0000976" vr="1.0012100" bb="0.0002552" vb="0.9997696"/>
            <vignetting model="pa" focal="20" aperture="2.8" distance="0.25" k1="-2.3970" k2="2.8162" k3="-1.2656"/>
            <vignetting model="pa" focal="20" aperture="2.8" distance="0.5" k1="-2.5125" k2="3.0085" k3="-1.3604"/>
            <vignetting model="pa" focal="20" aperture="2.8" distance="1.5" k1="-2.5469" k2="3.0626" k3="-1.3862"/>
            <vignetting model="pa" focal="20" aperture="2.8" distance="1000" k1="-2.5588" k2="3.0797" k3="-1.3937"/>
            <vignetting model="pa" focal="20" aperture="4" distance="0.25" k1="-0.5545" k2="-0.8384" k3="0.6946"/>
            <vignetting model="pa" focal="20" aperture="4" distance="0.5" k1="-0.6574" k2="-0.7715" k3="0.7019"/>
            <vignetting model="pa" focal="20" aperture="4" distance="1.5" k1="-0.6915" k2="-0.7442" k3="0.6976"/>
            <vignetting model="pa" focal="20" aperture="4" distance="1000" k1="-0.7031" k2="-0.7323" k3="0.6934"/>
            <vignetting model="pa" focal="20" aperture="5.6" distance="0.25" k1="-0.7095" k2="0.2494" k3="-0.0968"/>
            <vignetting model="pa" focal="20" aperture="5.6" distance="0.5" k1="-0.7336" k2="0.2004" k3="-0.0623"/>
            <vignetting model="pa" focal="20" aperture="5.6" distance="1.5" k1="-0.7465" k2="0.1937" k3="-0.0548"/>
            <vignetting model="pa" focal="20" aperture="5.6" distance="1000" k1="-0.7506" k2="0.1885" k3="-0.0489"/>
            <vignetting model="pa" focal="20" aperture="8" distance="0.25" k1="-0.7156" k2="0.2058" k3="0.0222"/>
            <vignetting model="pa" focal="20" aperture="8" distance="0.5" k1="-0.7709" k2="0.2694" k3="-0.0130"/>
            <vignetting model="pa" focal="20" aperture="8" distance="1.5" k1="-0.7917" k2="0.2982" k3="-0.0330"/>
            <vignetting model="pa" focal="20" aperture="8" distance="1000" k1="-0.7966" k2="0.2971" k3="-0.0295"/>
            <vignetting model="pa" focal="20" aperture="22" distance="0.25" k1="-0.7254" k2="0.2327" k3="0.0058"/>
            <vignetting model="pa" focal="20" aperture="22" distance="0.5" k1="-0.7662" k2="0.2539" k3="0.0043"/>
            <vignetting model="pa" focal="20" aperture="22" distance="1.5" k1="-0.7861" k2="0.2741" k3="-0.0049"/>
            <vignetting model="pa" focal="20" aperture="22" distance="1000" k1="-0.7929" k2="0.2800" k3="-0.0074"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 24-70mm f/2.8L USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="24" a="0.015298" b="-0.039413" c="0"/>
            <distortion model="ptlens" focal="27" a="0.014041" b="-0.034436" c="0"/>
            <distortion model="ptlens" focal="30" a="0.013341" b="-0.031051" c="0"/>
            <distortion model="ptlens" focal="34" a="0.006539" b="-0.01539" c="0"/>
            <distortion model="ptlens" focal="38" a="0.003138" b="-0.007742" c="0"/>
            <distortion model="ptlens" focal="43" a="0" b="0.000233" c="0"/>
            <distortion model="ptlens" focal="48" a="0" b="0.00151" c="0"/>
            <distortion model="ptlens" focal="55" a="0" b="0.003988" c="0"/>
            <distortion model="ptlens" focal="64" a="0" b="0.005787" c="0"/>
            <distortion model="ptlens" focal="70" a="0" b="0.006294" c="0"/>
            <!-- Taken with Canon 5D -->
            <vignetting model="pa" focal="24" aperture="2.8" distance="10" k1="-0.9888" k2="-0.0305" k3="0.2650"/>
            <vignetting model="pa" focal="24" aperture="2.8" distance="1000" k1="-0.9888" k2="-0.0305" k3="0.2650"/>
            <vignetting model="pa" focal="24" aperture="4" distance="10" k1="-0.3697" k2="-0.2238" k3="-0.0067"/>
            <vignetting model="pa" focal="24" aperture="4" distance="1000" k1="-0.3697" k2="-0.2238" k3="-0.0067"/>
            <vignetting model="pa" focal="24" aperture="5.6" distance="10" k1="-0.4863" k2="0.2192" k3="-0.2323"/>
            <vignetting model="pa" focal="24" aperture="5.6" distance="1000" k1="-0.4863" k2="0.2192" k3="-0.2323"/>
            <vignetting model="pa" focal="24" aperture="8" distance="10" k1="-0.4941" k2="0.1835" k3="-0.1135"/>
            <vignetting model="pa" focal="24" aperture="8" distance="1000" k1="-0.4941" k2="0.1835" k3="-0.1135"/>
            <vignetting model="pa" focal="24" aperture="11" distance="10" k1="-0.4434" k2="-0.0021" k3="0.0534"/>
            <vignetting model="pa" focal="24" aperture="11" distance="1000" k1="-0.4434" k2="-0.0021" k3="0.0534"/>
            <vignetting model="pa" focal="24" aperture="16" distance="10" k1="-0.4429" k2="-0.0034" k3="0.0551"/>
            <vignetting model="pa" focal="24" aperture="16" distance="1000" k1="-0.4429" k2="-0.0034" k3="0.0551"/>
            <vignetting model="pa" focal="24" aperture="22" distance="10" k1="-0.4403" k2="-0.0062" k3="0.0569"/>
            <vignetting model="pa" focal="24" aperture="22" distance="1000" k1="-0.4403" k2="-0.0062" k3="0.0569"/>
            <vignetting model="pa" focal="28" aperture="2.8" distance="10" k1="-0.8533" k2="-0.2821" k3="0.4327"/>
            <vignetting model="pa" focal="28" aperture="2.8" distance="1000" k1="-0.8533" k2="-0.2821" k3="0.4327"/>
            <vignetting model="pa" focal="28" aperture="4" distance="10" k1="-0.2937" k2="-0.3523" k3="0.1342"/>
            <vignetting model="pa" focal="28" aperture="4" distance="1000" k1="-0.2937" k2="-0.3523" k3="0.1342"/>
            <vignetting model="pa" focal="28" aperture="5.6" distance="10" k1="-0.4525" k2="0.2269" k3="-0.2190"/>
            <vignetting model="pa" focal="28" aperture="5.6" distance="1000" k1="-0.4525" k2="0.2269" k3="-0.2190"/>
            <vignetting model="pa" focal="28" aperture="8" distance="10" k1="-0.4231" k2="0.0657" k3="-0.0169"/>
            <vignetting model="pa" focal="28" aperture="8" distance="1000" k1="-0.4231" k2="0.0657" k3="-0.0169"/>
            <vignetting model="pa" focal="28" aperture="11" distance="10" k1="-0.4032" k2="-0.0039" k3="0.0439"/>
            <vignetting model="pa" focal="28" aperture="11" distance="1000" k1="-0.4032" k2="-0.0039" k3="0.0439"/>
            <vignetting model="pa" focal="28" aperture="16" distance="10" k1="-0.4050" k2="0.0024" k3="0.0398"/>
            <vignetting model="pa" focal="28" aperture="16" distance="1000" k1="-0.4050" k2="0.0024" k3="0.0398"/>
            <vignetting model="pa" focal="28" aperture="22" distance="10" k1="-0.4018" k2="-0.0035" k3="0.0433"/>
            <vignetting model="pa" focal="28" aperture="22" distance="1000" k1="-0.4018" k2="-0.0035" k3="0.0433"/>
            <vignetting model="pa" focal="34" aperture="2.8" distance="10" k1="-0.7997" k2="-0.0741" k3="0.2267"/>
            <vignetting model="pa" focal="34" aperture="2.8" distance="1000" k1="-0.7997" k2="-0.0741" k3="0.2267"/>
            <vignetting model="pa" focal="34" aperture="4" distance="10" k1="-0.2868" k2="-0.0469" k3="-0.0883"/>
            <vignetting model="pa" focal="34" aperture="4" distance="1000" k1="-0.2868" k2="-0.0469" k3="-0.0883"/>
            <vignetting model="pa" focal="34" aperture="5.6" distance="10" k1="-0.3852" k2="0.2470" k3="-0.1909"/>
            <vignetting model="pa" focal="34" aperture="5.6" distance="1000" k1="-0.3852" k2="0.2470" k3="-0.1909"/>
            <vignetting model="pa" focal="34" aperture="8" distance="10" k1="-0.3403" k2="0.0725" k3="-0.0229"/>
            <vignetting model="pa" focal="34" aperture="8" distance="1000" k1="-0.3403" k2="0.0725" k3="-0.0229"/>
            <vignetting model="pa" focal="34" aperture="11" distance="10" k1="-0.3454" k2="0.0825" k3="-0.0281"/>
            <vignetting model="pa" focal="34" aperture="11" distance="1000" k1="-0.3454" k2="0.0825" k3="-0.0281"/>
            <vignetting model="pa" focal="34" aperture="16" distance="10" k1="-0.3460" k2="0.0831" k3="-0.0274"/>
            <vignetting model="pa" focal="34" aperture="16" distance="1000" k1="-0.3460" k2="0.0831" k3="-0.0274"/>
            <vignetting model="pa" focal="34" aperture="22" distance="10" k1="-0.3503" k2="0.0927" k3="-0.0321"/>
            <vignetting model="pa" focal="34" aperture="22" distance="1000" k1="-0.3503" k2="0.0927" k3="-0.0321"/>
            <vignetting model="pa" focal="50" aperture="2.8" distance="10" k1="-0.7645" k2="0.2124" k3="-0.0599"/>
            <vignetting model="pa" focal="50" aperture="2.8" distance="1000" k1="-0.7645" k2="0.2124" k3="-0.0599"/>
            <vignetting model="pa" focal="50" aperture="4" distance="10" k1="-0.2928" k2="0.3145" k3="-0.3958"/>
            <vignetting model="pa" focal="50" aperture="4" distance="1000" k1="-0.2928" k2="0.3145" k3="-0.3958"/>
            <vignetting model="pa" focal="50" aperture="5.6" distance="10" k1="-0.2870" k2="0.1682" k3="-0.0911"/>
            <vignetting model="pa" focal="50" aperture="5.6" distance="1000" k1="-0.2870" k2="0.1682" k3="-0.0911"/>
            <vignetting model="pa" focal="50" aperture="8" distance="10" k1="-0.2798" k2="0.1349" k3="-0.0553"/>
            <vignetting model="pa" focal="50" aperture="8" distance="1000" k1="-0.2798" k2="0.1349" k3="-0.0553"/>
            <vignetting model="pa" focal="50" aperture="11" distance="10" k1="-0.2742" k2="0.1190" k3="-0.0422"/>
            <vignetting model="pa" focal="50" aperture="11" distance="1000" k1="-0.2742" k2="0.1190" k3="-0.0422"/>
            <vignetting model="pa" focal="50" aperture="16" distance="10" k1="-0.2701" k2="0.1099" k3="-0.0360"/>
            <vignetting model="pa" focal="50" aperture="16" distance="1000" k1="-0.2701" k2="0.1099" k3="-0.0360"/>
            <vignetting model="pa" focal="50" aperture="22" distance="10" k1="-0.2744" k2="0.1198" k3="-0.0419"/>
            <vignetting model="pa" focal="50" aperture="22" distance="1000" k1="-0.2744" k2="0.1198" k3="-0.0419"/>
            <vignetting model="pa" focal="70" aperture="2.8" distance="10" k1="-1.3498" k2="1.4523" k3="-0.7216"/>
            <vignetting model="pa" focal="70" aperture="2.8" distance="1000" k1="-1.3498" k2="1.4523" k3="-0.7216"/>
            <vignetting model="pa" focal="70" aperture="4" distance="10" k1="-0.1385" k2="-0.4638" k3="0.2291"/>
            <vignetting model="pa" focal="70" aperture="4" distance="1000" k1="-0.1385" k2="-0.4638" k3="0.2291"/>
            <vignetting model="pa" focal="70" aperture="5.6" distance="10" k1="-0.3035" k2="0.2661" k3="-0.2199"/>
            <vignetting model="pa" focal="70" aperture="5.6" distance="1000" k1="-0.3035" k2="0.2661" k3="-0.2199"/>
            <vignetting model="pa" focal="70" aperture="8" distance="10" k1="-0.2626" k2="0.0784" k3="-0.0101"/>
            <vignetting model="pa" focal="70" aperture="8" distance="1000" k1="-0.2626" k2="0.0784" k3="-0.0101"/>
            <vignetting model="pa" focal="70" aperture="11" distance="10" k1="-0.2638" k2="0.0780" k3="-0.0078"/>
            <vignetting model="pa" focal="70" aperture="11" distance="1000" k1="-0.2638" k2="0.0780" k3="-0.0078"/>
            <vignetting model="pa" focal="70" aperture="16" distance="10" k1="-0.2627" k2="0.0739" k3="-0.0047"/>
            <vignetting model="pa" focal="70" aperture="16" distance="1000" k1="-0.2627" k2="0.0739" k3="-0.0047"/>
            <vignetting model="pa" focal="70" aperture="22" distance="10" k1="-0.2704" k2="0.0892" k3="-0.0132"/>
            <vignetting model="pa" focal="70" aperture="22" distance="1000" k1="-0.2704" k2="0.0892" k3="-0.0132"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 24-85mm f/3.5-4.5 USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <!-- Taken with Canon 5D -->
            <distortion model="ptlens" focal="24" a="0.031698" b="-0.089701" c="0.043822"/>
            <distortion model="ptlens" focal="28" a="0.02534" b="-0.06592" c="0.034411"/>
            <distortion model="ptlens" focal="37" a="0.017702" b="-0.04333" c="0.038594"/>
            <distortion model="ptlens" focal="48" a="0.006375" b="-0.006867" c="0.014446"/>
            <distortion model="ptlens" focal="68" a="0.005346" b="-0.003421" c="0.013141"/>
            <distortion model="ptlens" focal="85" a="0.00492" b="-0.000938" c="0.009196"/>
            <tca model="poly3" focal="24" br="-0.0000683" vr="1.0002047" bb="-0.0000003" vb="1.0000497"/>
            <tca model="poly3" focal="28" br="-0.0000673" vr="1.0001701" bb="0.0000428" vb="1.0000321"/>
            <tca model="poly3" focal="35" br="-0.0000631" vr="1.0001213" bb="0.0001327" vb="0.9999744"/>
            <tca model="poly3" focal="50" br="-0.0000764" vr="1.0000570" bb="0.0001481" vb="0.9999386"/>
            <tca model="poly3" focal="70" br="-0.0001230" vr="1.0000388" bb="0.0001095" vb="0.9999002"/>
            <tca model="poly3" focal="85" br="-0.0000913" vr="0.9999650" bb="0.0000556" vb="0.9999043"/>
            <vignetting model="pa" focal="24" aperture="3.5" distance="0.5" k1="-0.3676" k2="-1.2315" k3="0.7757"/>
            <vignetting model="pa" focal="24" aperture="3.5" distance="1" k1="-0.3807" k2="-1.1800" k3="0.7548"/>
            <vignetting model="pa" focal="24" aperture="3.5" distance="1000" k1="-0.4347" k2="-1.0079" k3="0.6519"/>
            <vignetting model="pa" focal="24" aperture="4" distance="1" k1="-0.6565" k2="-0.3662" k3="0.2147"/>
            <vignetting model="pa" focal="24" aperture="4" distance="1000" k1="-0.6520" k2="-0.2640" k3="0.1429"/>
            <vignetting model="pa" focal="24" aperture="5.6" distance="0.5" k1="-0.6912" k2="0.4393" k3="-0.4878"/>
            <vignetting model="pa" focal="24" aperture="5.6" distance="1" k1="-0.6291" k2="0.3176" k3="-0.3660"/>
            <vignetting model="pa" focal="24" aperture="5.6" distance="1000" k1="-0.6719" k2="0.3679" k3="-0.3441"/>
            <vignetting model="pa" focal="24" aperture="8" distance="0.5" k1="-0.7323" k2="0.5714" k3="-0.4346"/>
            <vignetting model="pa" focal="24" aperture="8" distance="1" k1="-0.6984" k2="0.4494" k3="-0.2828"/>
            <vignetting model="pa" focal="24" aperture="8" distance="1000" k1="-0.6233" k2="0.2334" k3="-0.1234"/>
            <vignetting model="pa" focal="24" aperture="11" distance="0.5" k1="-0.6427" k2="0.2005" k3="-0.0553"/>
            <vignetting model="pa" focal="24" aperture="11" distance="1" k1="-0.6561" k2="0.1854" k3="-0.0052"/>
            <vignetting model="pa" focal="24" aperture="11" distance="1000" k1="-0.6405" k2="0.1834" k3="-0.0003"/>
            <vignetting model="pa" focal="24" aperture="16" distance="0.5" k1="-0.6502" k2="0.1965" k3="-0.0050"/>
            <vignetting model="pa" focal="24" aperture="16" distance="1" k1="-0.6343" k2="0.1515" k3="0.0215"/>
            <vignetting model="pa" focal="24" aperture="16" distance="1000" k1="-0.6474" k2="0.2208" k3="-0.0092"/>
            <vignetting model="pa" focal="24" aperture="22" distance="0.5" k1="-0.6556" k2="0.1848" k3="-0.0036"/>
            <vignetting model="pa" focal="24" aperture="22" distance="1" k1="-0.6677" k2="0.1970" k3="-0.0038"/>
            <vignetting model="pa" focal="24" aperture="22" distance="1000" k1="-0.6526" k2="0.1755" k3="0.0009"/>
            <vignetting model="pa" focal="28" aperture="3.5" distance="0.5" k1="-0.4977" k2="-0.5601" k3="0.3353"/>
            <vignetting model="pa" focal="28" aperture="3.5" distance="1" k1="-0.5408" k2="-0.2844" k3="0.1061"/>
            <vignetting model="pa" focal="28" aperture="3.5" distance="1000" k1="-0.5704" k2="-0.1098" k3="-0.0196"/>
            <vignetting model="pa" focal="28" aperture="5.6" distance="0.5" k1="-0.6596" k2="0.4286" k3="-0.3200"/>
            <vignetting model="pa" focal="28" aperture="5.6" distance="1" k1="-0.6301" k2="0.4046" k3="-0.3366"/>
            <vignetting model="pa" focal="28" aperture="5.6" distance="1000" k1="-0.7033" k2="0.5406" k3="-0.4147"/>
            <vignetting model="pa" focal="28" aperture="8" distance="0.5" k1="-0.6746" k2="0.3317" k3="-0.1137"/>
            <vignetting model="pa" focal="28" aperture="8" distance="1" k1="-0.5883" k2="0.1723" k3="-0.0368"/>
            <vignetting model="pa" focal="28" aperture="8" distance="1000" k1="-0.6693" k2="0.3287" k3="-0.1226"/>
            <vignetting model="pa" focal="28" aperture="11" distance="0.5" k1="-0.6223" k2="0.1751" k3="0.0182"/>
            <vignetting model="pa" focal="28" aperture="11" distance="1" k1="-0.6055" k2="0.1353" k3="0.0389"/>
            <vignetting model="pa" focal="28" aperture="11" distance="1000" k1="-0.6084" k2="0.1569" k3="0.0277"/>
            <vignetting model="pa" focal="28" aperture="16" distance="0.5" k1="-0.6125" k2="0.1402" k3="0.0374"/>
            <vignetting model="pa" focal="28" aperture="16" distance="1" k1="-0.6102" k2="0.1484" k3="0.0297"/>
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            <vignetting model="pa" focal="28" aperture="22" distance="1" k1="-0.6231" k2="0.1622" k3="0.0218"/>
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            <vignetting model="pa" focal="35" aperture="16" distance="0.5" k1="-0.5887" k2="0.1863" k3="0.0123"/>
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            <vignetting model="pa" focal="35" aperture="18" distance="1000" k1="-0.5844" k2="0.1880" k3="0.0133"/>
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            <vignetting model="pa" focal="35" aperture="25" distance="1000" k1="-0.6062" k2="0.2269" k3="-0.0170"/>
            <vignetting model="pa" focal="37" aperture="4" distance="1" k1="-0.8030" k2="0.9297" k3="-0.7978"/>
            <vignetting model="pa" focal="37" aperture="5.6" distance="1" k1="-0.7035" k2="0.8084" k3="-0.6172"/>
            <vignetting model="pa" focal="37" aperture="8" distance="1" k1="-0.5872" k2="0.3046" k3="-0.1158"/>
            <vignetting model="pa" focal="37" aperture="11" distance="1" k1="-0.5660" k2="0.1758" k3="0.0103"/>
            <vignetting model="pa" focal="37" aperture="16" distance="1" k1="-0.5561" k2="0.1464" k3="0.0309"/>
            <vignetting model="pa" focal="37" aperture="25" distance="1" k1="-0.5610" k2="0.1636" k3="0.0127"/>
            <vignetting model="pa" focal="48" aperture="4" distance="1" k1="-1.0590" k2="1.4519" k3="-1.0900"/>
            <vignetting model="pa" focal="48" aperture="4" distance="1000" k1="-0.9853" k2="1.2257" k3="-0.9250"/>
            <vignetting model="pa" focal="48" aperture="5.6" distance="1" k1="-0.6396" k2="0.7028" k3="-0.6068"/>
            <vignetting model="pa" focal="48" aperture="5.6" distance="1000" k1="-0.5478" k2="0.4771" k3="-0.4463"/>
            <vignetting model="pa" focal="48" aperture="8" distance="0.5" k1="-0.6864" k2="0.8715" k3="-0.6264"/>
            <vignetting model="pa" focal="48" aperture="8" distance="1" k1="-0.6123" k2="0.6131" k3="-0.4082"/>
            <vignetting model="pa" focal="48" aperture="8" distance="1000" k1="-0.5586" k2="0.4189" k3="-0.2421"/>
            <vignetting model="pa" focal="48" aperture="11" distance="0.5" k1="-0.6043" k2="0.5205" k3="-0.2920"/>
            <vignetting model="pa" focal="48" aperture="11" distance="1" k1="-0.5327" k2="0.2636" k3="-0.0800"/>
            <vignetting model="pa" focal="48" aperture="11" distance="1000" k1="-0.4593" k2="0.0860" k3="0.0380"/>
            <vignetting model="pa" focal="48" aperture="16" distance="0.5" k1="-0.5318" k2="0.2445" k3="-0.0549"/>
            <vignetting model="pa" focal="48" aperture="16" distance="1" k1="-0.5263" k2="0.2065" k3="-0.0079"/>
            <vignetting model="pa" focal="48" aperture="16" distance="1000" k1="-0.4823" k2="0.1165" k3="0.0433"/>
            <vignetting model="pa" focal="48" aperture="29" distance="0.5" k1="-0.5193" k2="0.1671" k3="0.0137"/>
            <vignetting model="pa" focal="48" aperture="29" distance="1" k1="-0.5286" k2="0.1811" k3="0.0059"/>
            <vignetting model="pa" focal="48" aperture="29" distance="1000" k1="-0.5374" k2="0.2033" k3="-0.0106"/>
            <vignetting model="pa" focal="50" aperture="4.5" distance="0.5" k1="-1.1865" k2="1.8374" k3="-1.3677"/>
            <vignetting model="pa" focal="50" aperture="5.6" distance="0.5" k1="-0.7842" k2="1.0227" k3="-0.8452"/>
            <vignetting model="pa" focal="68" aperture="4.5" distance="0.5" k1="-1.2296" k2="1.8099" k3="-1.3673"/>
            <vignetting model="pa" focal="68" aperture="4.5" distance="1000" k1="-1.0083" k2="1.0578" k3="-0.7696"/>
            <vignetting model="pa" focal="68" aperture="5.6" distance="0.5" k1="-0.6903" k2="0.8803" k3="-0.8540"/>
            <vignetting model="pa" focal="68" aperture="5.6" distance="1000" k1="-0.5788" k2="0.4348" k3="-0.4409"/>
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            <vignetting model="pa" focal="68" aperture="8" distance="1000" k1="-0.5959" k2="0.6501" k3="-0.4554"/>
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            <vignetting model="pa" focal="68" aperture="11" distance="1000" k1="-0.4788" k2="0.2282" k3="-0.0753"/>
            <vignetting model="pa" focal="68" aperture="16" distance="0.5" k1="-0.5679" k2="0.5611" k3="-0.3608"/>
            <vignetting model="pa" focal="68" aperture="16" distance="1000" k1="-0.4573" k2="0.1229" k3="0.0327"/>
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            <vignetting model="pa" focal="68" aperture="32" distance="1000" k1="-0.5057" k2="0.2235" k3="-0.0251"/>
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            <vignetting model="pa" focal="70" aperture="5.6" distance="1" k1="-0.5521" k2="0.4536" k3="-0.5040"/>
            <vignetting model="pa" focal="70" aperture="8" distance="1" k1="-0.5571" k2="0.6718" k3="-0.5304"/>
            <vignetting model="pa" focal="70" aperture="11" distance="1" k1="-0.5378" k2="0.4305" k3="-0.2322"/>
            <vignetting model="pa" focal="70" aperture="16" distance="1" k1="-0.4607" k2="0.1536" k3="0.0070"/>
            <vignetting model="pa" focal="70" aperture="32" distance="1" k1="-0.4870" k2="0.1914" k3="-0.0090"/>
            <vignetting model="pa" focal="85" aperture="4.5" distance="0.5" k1="-1.0155" k2="1.1996" k3="-1.0058"/>
            <vignetting model="pa" focal="85" aperture="4.5" distance="1" k1="-0.9227" k2="0.8165" k3="-0.6653"/>
            <vignetting model="pa" focal="85" aperture="4.5" distance="1000" k1="-0.8461" k2="0.4738" k3="-0.3631"/>
            <vignetting model="pa" focal="85" aperture="5.6" distance="0.5" k1="-0.8041" k2="0.9145" k3="-0.8693"/>
            <vignetting model="pa" focal="85" aperture="5.6" distance="1" k1="-0.6536" k2="0.3998" k3="-0.4548"/>
            <vignetting model="pa" focal="85" aperture="5.6" distance="1000" k1="-0.6141" k2="0.1866" k3="-0.2361"/>
            <vignetting model="pa" focal="85" aperture="8" distance="0.5" k1="-0.7380" k2="1.4380" k3="-1.2802"/>
            <vignetting model="pa" focal="85" aperture="8" distance="1" k1="-0.6205" k2="0.9477" k3="-0.8445"/>
            <vignetting model="pa" focal="85" aperture="8" distance="1000" k1="-0.5929" k2="0.7496" k3="-0.6245"/>
            <vignetting model="pa" focal="85" aperture="11" distance="0.5" k1="-0.7237" k2="1.3069" k3="-1.0771"/>
            <vignetting model="pa" focal="85" aperture="11" distance="1" k1="-0.5941" k2="0.7543" k3="-0.5645"/>
            <vignetting model="pa" focal="85" aperture="11" distance="1000" k1="-0.5192" k2="0.4003" k3="-0.2189"/>
            <vignetting model="pa" focal="85" aperture="16" distance="0.5" k1="-0.7377" k2="1.1864" k3="-0.8915"/>
            <vignetting model="pa" focal="85" aperture="16" distance="1" k1="-0.5054" k2="0.3828" k3="-0.2078"/>
            <vignetting model="pa" focal="85" aperture="16" distance="1000" k1="-0.4427" k2="0.1288" k3="0.0161"/>
            <vignetting model="pa" focal="85" aperture="32" distance="1" k1="-0.4934" k2="0.2063" k3="-0.0192"/>
            <vignetting model="pa" focal="85" aperture="32" distance="1000" k1="-0.4840" k2="0.2044" k3="-0.0245"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 24-85mm f/3.5-4.5 USM</model>
        <mount>Canon EF</mount>
        <!-- Average crop factor of Canon APS-C cameras -->
        <cropfactor>1.611</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="24" a="0.005763" b="-0.022311" c="0"/>
            <distortion model="ptlens" focal="28" a="0.002537" b="-0.01074" c="0"/>
            <distortion model="ptlens" focal="35" a="0" b="0" c="0"/>
            <distortion model="ptlens" focal="48" a="0" b="0.004254" c="0"/>
            <distortion model="ptlens" focal="70" a="0" b="0.005312" c="0"/>
            <distortion model="ptlens" focal="85" a="0" b="0.004512" c="0"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 28-70mm f/2.8L USM</model>
        <mount>Canon EF</mount>
        <!-- Average crop factor of Canon APS-C cameras -->
        <cropfactor>1.611</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="28" a="-0.001744" b="0.000657" c="0"/>
            <distortion model="ptlens" focal="32" a="0.003058" b="-0.013232" c="0"/>
            <distortion model="ptlens" focal="35" a="-0.004696" b="0.007063" c="0"/>
            <distortion model="ptlens" focal="39" a="0.00011" b="-0.002166" c="0"/>
            <distortion model="ptlens" focal="44" a="-0.001271" b="0.001861" c="0"/>
            <distortion model="ptlens" focal="50" a="-0.006466" b="0.014612" c="0"/>
            <distortion model="ptlens" focal="60" a="-0.001227" b="0.003723" c="0"/>
            <distortion model="ptlens" focal="70" a="-0.001929" b="0.005136" c="0"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 24-105mm f/4L IS USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="24" a="0.017263" b="-0.049244" c="0"/>
            <distortion model="ptlens" focal="28" a="0.010878" b="-0.024454" c="0"/>
            <distortion model="ptlens" focal="35" a="0.007152" b="-0.009799" c="0"/>
            <distortion model="ptlens" focal="50" a="0.002502" b="0.004803" c="0"/>
            <distortion model="ptlens" focal="70" a="0" b="0.009685" c="0"/>
            <distortion model="ptlens" focal="88" a="0" b="0.008781" c="0"/>
            <distortion model="ptlens" focal="105" a="0" b="0.009598" c="0"/>
            <!-- Taken with Canon 5D Mark III -->
            <tca model="poly3" focal="24" br="-0.0000336" vr="1.0011673" bb="-0.0000857" vb="1.0001820"/>
            <tca model="poly3" focal="28" br="-0.0000198" vr="1.0009538" bb="-0.0000780" vb="1.0001947"/>
            <tca model="poly3" focal="35" br="0.0000238" vr="1.0006733" bb="-0.0000900" vb="1.0002139"/>
            <tca model="poly3" focal="45" br="0.0000790" vr="1.0003749" bb="-0.0000725" vb="1.0001305"/>
            <tca model="poly3" focal="50" br="0.0000550" vr="1.0001985" bb="-0.0001125" vb="1.0000939"/>
            <tca model="poly3" focal="60" br="0.0000537" vr="0.9999940" bb="-0.0001371" vb="1.0000645"/>
            <tca model="poly3" focal="70" br="0.0000545" vr="0.9998413" bb="-0.0001606" vb="0.9999358"/>
            <tca model="poly3" focal="88" br="0.0000129" vr="0.9995321" bb="-0.0002706" vb="0.9999391"/>
            <tca model="poly3" focal="105" br="0.0000381" vr="0.9991735" bb="-0.0001974" vb="0.9998595"/>
            <vignetting model="pa" focal="24" aperture="4" distance="0.45" k1="-0.4795" k2="-0.5164" k3="0.1168"/>
            <vignetting model="pa" focal="24" aperture="4" distance="0.9" k1="-0.5099" k2="-0.3593" k3="0.0100"/>
            <vignetting model="pa" focal="24" aperture="4" distance="2.7" k1="-0.5210" k2="-0.3005" k3="-0.0331"/>
            <vignetting model="pa" focal="24" aperture="4" distance="1000" k1="-0.5460" k2="-0.2245" k3="-0.0825"/>
            <vignetting model="pa" focal="24" aperture="5.6" distance="0.45" k1="-0.5434" k2="-0.0220" k3="-0.2734"/>
            <vignetting model="pa" focal="24" aperture="5.6" distance="0.9" k1="-0.5925" k2="0.1920" k3="-0.4102"/>
            <vignetting model="pa" focal="24" aperture="5.6" distance="2.7" k1="-0.6105" k2="0.2702" k3="-0.4657"/>
            <vignetting model="pa" focal="24" aperture="5.6" distance="1000" k1="-0.6251" k2="0.3124" k3="-0.4911"/>
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            <vignetting model="pa" focal="24" aperture="8" distance="0.9" k1="-0.7582" k2="0.7674" k3="-0.7682"/>
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            <vignetting model="pa" focal="24" aperture="11" distance="2.7" k1="-0.8344" k2="0.9810" k3="-0.8608"/>
            <vignetting model="pa" focal="24" aperture="11" distance="1000" k1="-0.8340" k2="0.9778" k3="-0.8568"/>
            <vignetting model="pa" focal="24" aperture="16" distance="0.45" k1="-0.9126" k2="1.2016" k3="-1.0358"/>
            <vignetting model="pa" focal="24" aperture="16" distance="0.9" k1="-0.8199" k2="0.8728" k3="-0.7322"/>
            <vignetting model="pa" focal="24" aperture="16" distance="2.7" k1="-0.8124" k2="0.8533" k3="-0.7189"/>
            <vignetting model="pa" focal="24" aperture="16" distance="1000" k1="-0.8099" k2="0.8471" k3="-0.7154"/>
            <vignetting model="pa" focal="24" aperture="22" distance="0.45" k1="-0.8999" k2="1.1258" k3="-0.9507"/>
            <vignetting model="pa" focal="24" aperture="22" distance="0.9" k1="-0.7940" k2="0.7596" k3="-0.6258"/>
            <vignetting model="pa" focal="24" aperture="22" distance="2.7" k1="-0.8030" k2="0.8024" k3="-0.6672"/>
            <vignetting model="pa" focal="24" aperture="22" distance="1000" k1="-0.8041" k2="0.8095" k3="-0.6743"/>
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            <vignetting model="pa" focal="35" aperture="4" distance="0.9" k1="-0.5570" k2="-0.0974" k3="0.0827"/>
            <vignetting model="pa" focal="35" aperture="4" distance="2.7" k1="-0.5699" k2="-0.0408" k3="0.0282"/>
            <vignetting model="pa" focal="35" aperture="4" distance="1000" k1="-0.6054" k2="0.0282" k3="-0.0163"/>
            <vignetting model="pa" focal="35" aperture="5.6" distance="0.45" k1="-0.6116" k2="0.3685" k3="-0.2226"/>
            <vignetting model="pa" focal="35" aperture="5.6" distance="0.9" k1="-0.6017" k2="0.3878" k3="-0.2407"/>
            <vignetting model="pa" focal="35" aperture="5.6" distance="2.7" k1="-0.6215" k2="0.4488" k3="-0.2954"/>
            <vignetting model="pa" focal="35" aperture="5.6" distance="1000" k1="-0.6418" k2="0.5034" k3="-0.3355"/>
            <vignetting model="pa" focal="35" aperture="8" distance="0.45" k1="-0.5971" k2="0.3002" k3="-0.1550"/>
            <vignetting model="pa" focal="35" aperture="8" distance="0.9" k1="-0.5770" k2="0.2770" k3="-0.1328"/>
            <vignetting model="pa" focal="35" aperture="8" distance="2.7" k1="-0.5849" k2="0.2941" k3="-0.1483"/>
            <vignetting model="pa" focal="35" aperture="8" distance="1000" k1="-0.6029" k2="0.3432" k3="-0.1836"/>
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            <vignetting model="pa" focal="35" aperture="11" distance="0.9" k1="-0.5764" k2="0.2640" k3="-0.1160"/>
            <vignetting model="pa" focal="35" aperture="11" distance="2.7" k1="-0.5843" k2="0.2767" k3="-0.1257"/>
            <vignetting model="pa" focal="35" aperture="11" distance="1000" k1="-0.6005" k2="0.3196" k3="-0.1558"/>
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            <vignetting model="pa" focal="50" aperture="4" distance="2.7" k1="-0.5569" k2="-0.0746" k3="0.0868"/>
            <vignetting model="pa" focal="50" aperture="4" distance="1000" k1="-0.5818" k2="-0.0162" k3="0.0425"/>
            <vignetting model="pa" focal="50" aperture="5.6" distance="0.45" k1="-0.3835" k2="0.0297" k3="-0.0329"/>
            <vignetting model="pa" focal="50" aperture="5.6" distance="0.9" k1="-0.5182" k2="0.3503" k3="-0.2346"/>
            <vignetting model="pa" focal="50" aperture="5.6" distance="2.7" k1="-0.5279" k2="0.3888" k3="-0.2717"/>
            <vignetting model="pa" focal="50" aperture="5.6" distance="1000" k1="-0.5500" k2="0.4475" k3="-0.3184"/>
            <vignetting model="pa" focal="50" aperture="8" distance="0.45" k1="-0.4861" k2="0.1556" k3="-0.0270"/>
            <vignetting model="pa" focal="50" aperture="8" distance="0.9" k1="-0.4743" k2="0.1487" k3="-0.0198"/>
            <vignetting model="pa" focal="50" aperture="8" distance="2.7" k1="-0.4674" k2="0.1258" k3="-0.0020"/>
            <vignetting model="pa" focal="50" aperture="8" distance="1000" k1="-0.4889" k2="0.1737" k3="-0.0356"/>
            <vignetting model="pa" focal="50" aperture="11" distance="0.45" k1="-0.4856" k2="0.1481" k3="-0.0178"/>
            <vignetting model="pa" focal="50" aperture="11" distance="0.9" k1="-0.4750" k2="0.1425" k3="-0.0101"/>
            <vignetting model="pa" focal="50" aperture="11" distance="2.7" k1="-0.4685" k2="0.1214" k3="0.0057"/>
            <vignetting model="pa" focal="50" aperture="11" distance="1000" k1="-0.4893" k2="0.1670" k3="-0.0255"/>
            <vignetting model="pa" focal="50" aperture="16" distance="0.45" k1="-0.4905" k2="0.1537" k3="-0.0187"/>
            <vignetting model="pa" focal="50" aperture="16" distance="0.9" k1="-0.4771" k2="0.1396" k3="-0.0042"/>
            <vignetting model="pa" focal="50" aperture="16" distance="2.7" k1="-0.4751" k2="0.1298" k3="0.0038"/>
            <vignetting model="pa" focal="50" aperture="16" distance="1000" k1="-0.4944" k2="0.1721" k3="-0.0253"/>
            <vignetting model="pa" focal="50" aperture="22" distance="0.45" k1="-0.5000" k2="0.1707" k3="-0.0276"/>
            <vignetting model="pa" focal="50" aperture="22" distance="0.9" k1="-0.4836" k2="0.1490" k3="-0.0077"/>
            <vignetting model="pa" focal="50" aperture="22" distance="2.7" k1="-0.4846" k2="0.1454" k3="-0.0035"/>
            <vignetting model="pa" focal="50" aperture="22" distance="1000" k1="-0.5030" k2="0.1854" k3="-0.0309"/>
            <vignetting model="pa" focal="70" aperture="4" distance="0.45" k1="-0.7049" k2="0.2950" k3="-0.1500"/>
            <vignetting model="pa" focal="70" aperture="4" distance="0.9" k1="-0.7163" k2="0.3620" k3="-0.2250"/>
            <vignetting model="pa" focal="70" aperture="4" distance="2.7" k1="-0.6962" k2="0.3204" k3="-0.2129"/>
            <vignetting model="pa" focal="70" aperture="4" distance="1000" k1="-0.7079" k2="0.3344" k3="-0.2278"/>
            <vignetting model="pa" focal="70" aperture="5.6" distance="0.45" k1="-0.4799" k2="0.3668" k3="-0.2925"/>
            <vignetting model="pa" focal="70" aperture="5.6" distance="0.9" k1="-0.4831" k2="0.4338" k3="-0.3717"/>
            <vignetting model="pa" focal="70" aperture="5.6" distance="2.7" k1="-0.4805" k2="0.4500" k3="-0.3919"/>
            <vignetting model="pa" focal="70" aperture="5.6" distance="1000" k1="-0.5016" k2="0.4991" k3="-0.4414"/>
            <vignetting model="pa" focal="70" aperture="8" distance="0.45" k1="-0.4273" k2="0.1139" k3="0.0043"/>
            <vignetting model="pa" focal="70" aperture="8" distance="0.9" k1="-0.4138" k2="0.1045" k3="0.0093"/>
            <vignetting model="pa" focal="70" aperture="8" distance="2.7" k1="-0.4064" k2="0.0883" k3="0.0218"/>
            <vignetting model="pa" focal="70" aperture="8" distance="1000" k1="-0.4297" k2="0.1397" k3="-0.0142"/>
            <vignetting model="pa" focal="70" aperture="11" distance="0.45" k1="-0.4280" k2="0.1093" k3="0.0114"/>
            <vignetting model="pa" focal="70" aperture="11" distance="0.9" k1="-0.4061" k2="0.0772" k3="0.0344"/>
            <vignetting model="pa" focal="70" aperture="11" distance="2.7" k1="-0.3995" k2="0.0578" k3="0.0519"/>
            <vignetting model="pa" focal="70" aperture="11" distance="1000" k1="-0.4207" k2="0.1038" k3="0.0199"/>
            <vignetting model="pa" focal="70" aperture="16" distance="0.45" k1="-0.4290" k2="0.1066" k3="0.0159"/>
            <vignetting model="pa" focal="70" aperture="16" distance="0.9" k1="-0.4079" k2="0.0761" k3="0.0380"/>
            <vignetting model="pa" focal="70" aperture="16" distance="2.7" k1="-0.4021" k2="0.0578" k3="0.0551"/>
            <vignetting model="pa" focal="70" aperture="16" distance="1000" k1="-0.4222" k2="0.1029" k3="0.0231"/>
            <vignetting model="pa" focal="70" aperture="22" distance="0.45" k1="-0.4335" k2="0.1101" k3="0.0166"/>
            <vignetting model="pa" focal="70" aperture="22" distance="0.9" k1="-0.4124" k2="0.0813" k3="0.0370"/>
            <vignetting model="pa" focal="70" aperture="22" distance="2.7" k1="-0.4081" k2="0.0661" k3="0.0521"/>
            <vignetting model="pa" focal="70" aperture="22" distance="1000" k1="-0.4296" k2="0.1152" k3="0.0173"/>
            <vignetting model="pa" focal="105" aperture="4" distance="0.45" k1="-1.0812" k2="1.1713" k3="-0.6459"/>
            <vignetting model="pa" focal="105" aperture="4" distance="0.9" k1="-1.0310" k2="1.0659" k3="-0.6301"/>
            <vignetting model="pa" focal="105" aperture="4" distance="2.7" k1="-0.9948" k2="0.9010" k3="-0.5254"/>
            <vignetting model="pa" focal="105" aperture="4" distance="1000" k1="-1.0176" k2="0.8667" k3="-0.4856"/>
            <vignetting model="pa" focal="105" aperture="5.6" distance="0.45" k1="-0.3223" k2="-0.0995" k3="0.0451"/>
            <vignetting model="pa" focal="105" aperture="5.6" distance="0.9" k1="-0.3340" k2="-0.0051" k3="-0.0805"/>
            <vignetting model="pa" focal="105" aperture="5.6" distance="2.7" k1="-0.3113" k2="-0.0072" k3="-0.1158"/>
            <vignetting model="pa" focal="105" aperture="5.6" distance="1000" k1="-0.3111" k2="-0.0112" k3="-0.1305"/>
            <vignetting model="pa" focal="105" aperture="8" distance="0.45" k1="-0.3740" k2="0.0834" k3="0.0276"/>
            <vignetting model="pa" focal="105" aperture="8" distance="0.9" k1="-0.3449" k2="0.0346" k3="0.0606"/>
            <vignetting model="pa" focal="105" aperture="8" distance="2.7" k1="-0.3473" k2="0.0666" k3="0.0265"/>
            <vignetting model="pa" focal="105" aperture="8" distance="1000" k1="-0.3824" k2="0.1623" k3="-0.0510"/>
            <vignetting model="pa" focal="105" aperture="11" distance="0.45" k1="-0.3703" k2="0.0630" k3="0.0486"/>
            <vignetting model="pa" focal="105" aperture="11" distance="0.9" k1="-0.3403" k2="0.0180" k3="0.0758"/>
            <vignetting model="pa" focal="105" aperture="11" distance="2.7" k1="-0.3352" k2="0.0101" k3="0.0818"/>
            <vignetting model="pa" focal="105" aperture="11" distance="1000" k1="-0.3508" k2="0.0342" k3="0.0673"/>
            <vignetting model="pa" focal="105" aperture="16" distance="0.45" k1="-0.3726" k2="0.0649" k3="0.0487"/>
            <vignetting model="pa" focal="105" aperture="16" distance="0.9" k1="-0.3408" k2="0.0156" k3="0.0789"/>
            <vignetting model="pa" focal="105" aperture="16" distance="2.7" k1="-0.3371" k2="0.0090" k3="0.0856"/>
            <vignetting model="pa" focal="105" aperture="16" distance="1000" k1="-0.3511" k2="0.0307" k3="0.0728"/>
            <vignetting model="pa" focal="105" aperture="22" distance="0.45" k1="-0.3752" k2="0.0669" k3="0.0488"/>
            <vignetting model="pa" focal="105" aperture="22" distance="0.9" k1="-0.3442" k2="0.0175" k3="0.0798"/>
            <vignetting model="pa" focal="105" aperture="22" distance="2.7" k1="-0.3422" k2="0.0150" k3="0.0838"/>
            <vignetting model="pa" focal="105" aperture="22" distance="1000" k1="-0.3540" k2="0.0313" k3="0.0746"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 24-105mm f/4L IS USM</model>
        <mount>Canon EF</mount>
        <!-- Average crop factor of Canon APS-C cameras -->
        <cropfactor>1.611</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="24" a="0.00552" b="-0.02074" c="0"/>
            <distortion model="ptlens" focal="28" a="0.00396" b="-0.01457" c="0"/>
            <distortion model="ptlens" focal="35" a="0.00091" b="-0.00171" c="0"/>
            <distortion model="ptlens" focal="50" a="0.00077" b="0.00096" c="0"/>
            <distortion model="ptlens" focal="70" a="0.0016" b="5e-05" c="0"/>
            <distortion model="ptlens" focal="88" a="0.00467" b="-0.00624" c="0"/>
            <distortion model="ptlens" focal="105" a="0.00797" b="-0.01307" c="0"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 28-105mm f/3.5-4.5 II USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="28" a="0.013305" b="-0.03973" c="0"/>
            <distortion model="ptlens" focal="35" a="0.005643" b="-0.012771" c="0"/>
            <distortion model="ptlens" focal="50" a="0" b="0.007781" c="0"/>
            <distortion model="ptlens" focal="70" a="0" b="0.010884" c="0"/>
            <distortion model="ptlens" focal="105" a="0" b="0.011749" c="0"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 28-300mm f/3.5-5.6L IS USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="28" a="0.013512" b="-0.044163" c="0"/>
            <distortion model="ptlens" focal="35" a="0.008844" b="-0.01773" c="0"/>
            <distortion model="ptlens" focal="40" a="0" b="0.008261" c="0"/>
            <distortion model="ptlens" focal="60" a="0" b="0.012093" c="0"/>
            <distortion model="ptlens" focal="70" a="0" b="0.012516" c="0"/>
            <distortion model="ptlens" focal="105" a="0" b="0.009065" c="0"/>
            <distortion model="ptlens" focal="135" a="0" b="0.008196" c="0"/>
            <distortion model="ptlens" focal="200" a="0" b="0.007773" c="0"/>
            <distortion model="ptlens" focal="300" a="0" b="0.008177" c="0"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 28-135mm f/3.5-5.6 IS USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="28" a="0.015307" b="-0.042304" c="0"/>
            <distortion model="ptlens" focal="35" a="0.009116" b="-0.020624" c="0"/>
            <distortion model="ptlens" focal="41" a="0" b="0.003439" c="0"/>
            <distortion model="ptlens" focal="53" a="0" b="0.008157" c="0"/>
            <distortion model="ptlens" focal="60" a="0" b="0.008848" c="0"/>
            <distortion model="ptlens" focal="70" a="0" b="0.009719" c="0"/>
            <distortion model="ptlens" focal="85" a="0" b="0.009196" c="0"/>
            <distortion model="ptlens" focal="100" a="0" b="0.008576" c="0"/>
            <distortion model="ptlens" focal="117" a="0" b="0.010397" c="0"/>
            <distortion model="ptlens" focal="135" a="0" b="0.010546" c="0"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 35mm f/1.4L USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <!-- Taken with Canon 5D Mark III -->
            <distortion model="ptlens" focal="35" a="0.01105" b="-0.02944" c="0.00633"/>
            <tca model="poly3" focal="35" br="-0.0004259" vr="1.0009718" bb="0.0005876" vb="0.9992816"/>
            <vignetting model="pa" focal="35" aperture="1.4" distance="0.3" k1="-1.2296" k2="0.7860" k3="-0.2592"/>
            <vignetting model="pa" focal="35" aperture="1.4" distance="0.6" k1="-1.6193" k2="1.4907" k3="-0.6335"/>
            <vignetting model="pa" focal="35" aperture="1.4" distance="1.8" k1="-1.7496" k2="1.7258" k3="-0.7587"/>
            <vignetting model="pa" focal="35" aperture="1.4" distance="1000" k1="-1.8086" k2="1.8246" k3="-0.8096"/>
            <vignetting model="pa" focal="35" aperture="2" distance="0.3" k1="-0.1890" k2="-0.4885" k3="0.1801"/>
            <vignetting model="pa" focal="35" aperture="2" distance="0.6" k1="-0.2440" k2="-0.7779" k3="0.4414"/>
            <vignetting model="pa" focal="35" aperture="2" distance="1.8" k1="-0.3152" k2="-0.7584" k3="0.4643"/>
            <vignetting model="pa" focal="35" aperture="2" distance="1000" k1="-0.3585" k2="-0.7409" k3="0.4745"/>
            <vignetting model="pa" focal="35" aperture="2.8" distance="0.3" k1="-0.3359" k2="0.1421" k3="-0.1330"/>
            <vignetting model="pa" focal="35" aperture="2.8" distance="0.6" k1="-0.3143" k2="-0.0191" k3="-0.0963"/>
            <vignetting model="pa" focal="35" aperture="2.8" distance="1.8" k1="-0.2678" k2="-0.2501" k3="0.0432"/>
            <vignetting model="pa" focal="35" aperture="2.8" distance="1000" k1="-0.2516" k2="-0.3607" k3="0.1119"/>
            <vignetting model="pa" focal="35" aperture="4" distance="0.3" k1="-0.2940" k2="-0.0722" k3="0.1067"/>
            <vignetting model="pa" focal="35" aperture="4" distance="0.6" k1="-0.3873" k2="0.1488" k3="-0.0896"/>
            <vignetting model="pa" focal="35" aperture="4" distance="1.8" k1="-0.4347" k2="0.2856" k3="-0.2331"/>
            <vignetting model="pa" focal="35" aperture="4" distance="1000" k1="-0.4484" k2="0.3163" k3="-0.2840"/>
            <vignetting model="pa" focal="35" aperture="22" distance="0.3" k1="-0.3341" k2="-0.0090" k3="0.0707"/>
            <vignetting model="pa" focal="35" aperture="22" distance="0.6" k1="-0.3758" k2="-0.0028" k3="0.0766"/>
            <vignetting model="pa" focal="35" aperture="22" distance="1.8" k1="-0.3984" k2="0.0071" k3="0.0760"/>
            <vignetting model="pa" focal="35" aperture="22" distance="1000" k1="-0.4126" k2="0.0142" k3="0.0744"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>EF35mm f/1.4L II USM (750)</model>
        <model lang="en">Canon EF 35mm f/1.4L II USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1.605</cropfactor>
        <calibration>
            <!-- Taken with Canon EOS 7D Mark II -->
            <distortion model="ptlens" focal="35" a="-0.00078" b="0.00402" c="-0.0076"/>
            <tca model="poly3" focal="35" vr="1.0001674" vb="1.0000167"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 35mm f/2 IS USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1.005</cropfactor>
        <calibration>
            <!-- Taken with Canon 6D -->
            <distortion model="ptlens" focal="35" a="0.0100042" b="-0.031314" c="0.019113"/>
            <tca model="poly3" focal="35" br="-0.0000955" vr="1.0002447" bb="0.0001070" vb="0.9998243"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 35mm f/2 IS USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1.613</cropfactor>
        <calibration>
            <!-- Taken with  EOS 750D -->
            <vignetting model="pa" focal="35" aperture="2" distance="10" k1="-0.8981" k2="0.7579" k3="-0.3398"/>
            <vignetting model="pa" focal="35" aperture="2" distance="1000" k1="-0.8981" k2="0.7579" k3="-0.3398"/>
            <vignetting model="pa" focal="35" aperture="2.8" distance="10" k1="-0.2338" k2="0.0479" k3="-0.0342"/>
            <vignetting model="pa" focal="35" aperture="2.8" distance="1000" k1="-0.2338" k2="0.0479" k3="-0.0342"/>
            <vignetting model="pa" focal="35" aperture="4" distance="10" k1="-0.2114" k2="0.0037" k3="0.0060"/>
            <vignetting model="pa" focal="35" aperture="4" distance="1000" k1="-0.2114" k2="0.0037" k3="0.0060"/>
            <vignetting model="pa" focal="35" aperture="5.6" distance="10" k1="-0.2030" k2="-0.0078" k3="0.0153"/>
            <vignetting model="pa" focal="35" aperture="5.6" distance="1000" k1="-0.2030" k2="-0.0078" k3="0.0153"/>
            <vignetting model="pa" focal="35" aperture="22" distance="10" k1="-0.2153" k2="0.0063" k3="0.0124"/>
            <vignetting model="pa" focal="35" aperture="22" distance="1000" k1="-0.2153" k2="0.0063" k3="0.0124"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 35-70mm f/3.5-4.5</model>
        <mount>Canon EF</mount>
        <!-- Average crop factor of Canon APS-C cameras -->
        <cropfactor>1.611</cropfactor>
        <calibration>
            <distortion model="poly3" focal="35" k1="-0.005023"/>
            <distortion model="poly3" focal="42" k1="-0.002793"/>
            <distortion model="poly3" focal="56" k1="0.000982"/>
            <distortion model="poly3" focal="70" k1="0.001993"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 35-80mm f/4-5.6 III</model>
        <mount>Canon EF</mount>
        <!-- Average crop factor of Canon APS-C cameras -->
        <cropfactor>1.611</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="35" a="0.003148" b="-0.013071" c="0"/>
            <distortion model="ptlens" focal="40" a="0" b="-0.004903" c="0"/>
            <distortion model="ptlens" focal="44" a="0" b="-0.002625" c="0"/>
            <distortion model="ptlens" focal="53" a="0" b="0.000335" c="0"/>
            <distortion model="ptlens" focal="65" a="0" b="0.002145" c="0"/>
            <distortion model="ptlens" focal="80" a="0.00704" b="0.002809" c="0"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 35-105mm f/3.5-4.5</model>
        <mount>Canon EF</mount>
        <cropfactor>1.005</cropfactor>
        <calibration>
            <!-- Taken with Canon EOS 6D -->
            <distortion model="ptlens" focal="35" a="0.02261" b="-0.07104" c="0.04569"/>
            <distortion model="ptlens" focal="38" a="0.02501" b="-0.07031" c="0.05326"/>
            <distortion model="ptlens" focal="45" a="0.01853" b="-0.04432" c="0.03437"/>
            <distortion model="ptlens" focal="50" a="0.01814" b="-0.04114" c="0.0362"/>
            <distortion model="ptlens" focal="60" a="0.0175" b="-0.03661" c="0.03752"/>
            <distortion model="ptlens" focal="70" a="0.00915" b="-0.00903" c="0.01287"/>
            <distortion model="ptlens" focal="80" a="0.00667" b="-0.00287" c="0.00985"/>
            <distortion model="ptlens" focal="98" a="0.00245" b="0.01039" c="-0.00236"/>
            <distortion model="ptlens" focal="105" a="0.00486" b="0.00263" c="0.00537"/>
            <tca model="poly3" focal="35.0" br="0.0000127" vr="1.0001711" bb="-0.0000793" vb="1.0002008"/>
            <tca model="poly3" focal="38.0" br="0.0000368" vr="1.0001229" bb="-0.0000917" vb="1.0002025"/>
            <tca model="poly3" focal="40.0" br="0.0000066" vr="1.0001324" bb="-0.0000819" vb="1.0001771"/>
            <tca model="poly3" focal="43.0" br="0.0000187" vr="1.0001042" bb="-0.0000874" vb="1.0001737"/>
            <tca model="poly3" focal="45.0" br="0.0000096" vr="1.0000977" bb="-0.0000900" vb="1.0001632"/>
            <tca model="poly3" focal="48.0" br="-0.0000054" vr="1.0001220" bb="-0.0000964" vb="1.0001606"/>
            <tca model="poly3" focal="50.0" br="0.0000150" vr="1.0000682" bb="-0.0000878" vb="1.0001363"/>
            <tca model="poly3" focal="51.0" br="0.0000182" vr="1.0000552" bb="-0.0000980" vb="1.0001356"/>
            <tca model="poly3" focal="53.0" br="0.0000130" vr="1.0000493" bb="-0.0000815" vb="1.0001128"/>
            <tca model="poly3" focal="55.0" br="0.0000254" vr="1.0000296" bb="-0.0000914" vb="1.0001247"/>
            <tca model="poly3" focal="57.0" br="0.0000237" vr="1.0000199" bb="-0.0000872" vb="1.0001148"/>
            <tca model="poly3" focal="60.0" br="0.0000224" vr="1.0000003" bb="-0.0000915" vb="1.0001167"/>
            <tca model="poly3" focal="62.0" br="0.0000325" vr="0.9999746" bb="-0.0001178" vb="1.0001438"/>
            <tca model="poly3" focal="64.0" br="0.0000289" vr="0.9999569" bb="-0.0001547" vb="1.0002471"/>
            <tca model="poly3" focal="66.0" br="0.0000279" vr="0.9999572" bb="-0.0001165" vb="1.0001385"/>
            <tca model="poly3" focal="70.0" br="0.0000380" vr="0.9999268" bb="-0.0001298" vb="1.0001537"/>
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            <vignetting model="pa" focal="105.0" aperture="29.0" distance="1.2" k1="-0.3448045" k2="0.3610798" k3="-0.2408236"/>
            <vignetting model="pa" focal="105.0" aperture="29.0" distance="2.0" k1="-0.3498967" k2="0.3712468" k3="-0.2508830"/>
            <vignetting model="pa" focal="105.0" aperture="29.0" distance="1000" k1="-0.3659869" k2="0.4597608" k3="-0.3315212"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 35-105mm f/3.5-4.5</model>
        <mount>Canon EF</mount>
        <!-- Average crop factor of Canon APS-C cameras -->
        <cropfactor>1.611</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="35" a="0.003118" b="-0.013401" c="0"/>
            <distortion model="ptlens" focal="45" a="0.003039" b="-0.007423" c="0"/>
            <distortion model="ptlens" focal="60" a="0.001309" b="0.000252" c="0"/>
            <distortion model="ptlens" focal="82" a="0.001085" b="0.002214" c="0"/>
            <distortion model="ptlens" focal="105" a="0.000575" b="0.003503" c="0"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 35-105mm f/4.5-5.6</model>
        <mount>Canon EF</mount>
        <!-- Average crop factor of Canon APS-C cameras -->
        <cropfactor>1.611</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="35" a="-0.00202" b="0.00115" c="-0.00877"/>
            <distortion model="ptlens" focal="48" a="0.00206" b="-0.00395" c="0.00411"/>
            <distortion model="ptlens" focal="57" a="-0.00649" b="0.02493" c="-0.01898"/>
            <distortion model="ptlens" focal="62" a="-0.01071" b="0.01858" c="0.00875"/>
            <distortion model="ptlens" focal="68" a="-0.02787" b="0.07826" c="-0.05368"/>
            <distortion model="ptlens" focal="72" a="-0.03351" b="0.12504" c="-0.14162"/>
            <distortion model="ptlens" focal="76" a="0.00385" b="-0.0011" c="-0.00351"/>
            <distortion model="ptlens" focal="80" a="0.01832" b="-0.05905" c="0.07657"/>
            <distortion model="ptlens" focal="87" a="-0.03411" b="0.14077" c="-0.17993"/>
            <distortion model="ptlens" focal="98" a="0.0103" b="-0.03257" c="0.02861"/>
            <distortion model="ptlens" focal="105" a="0.03329" b="-0.012513" c="0.16021"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 35-135mm f/4-5.6 USM</model>
        <mount>Canon EF</mount>
        <!-- Average crop factor of Canon APS-C cameras -->
        <cropfactor>1.611</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="35" a="0.001862" b="-0.007763" c="0"/>
            <distortion model="ptlens" focal="45" a="0" b="0.001004" c="0"/>
            <distortion model="ptlens" focal="65" a="0" b="0.004211" c="0"/>
            <distortion model="ptlens" focal="80" a="0" b="0.004364" c="0"/>
            <distortion model="ptlens" focal="91" a="0" b="0.005026" c="0"/>
            <distortion model="ptlens" focal="110" a="0" b="0.005453" c="0"/>
            <distortion model="ptlens" focal="135" a="0" b="0.003708" c="0"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 50mm f/1.4 USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <!-- Taken with Canon 5D Mark III -->
            <distortion model="ptlens" focal="50" a="0.00225" b="-0.01104" c="0.00161"/>
            <tca model="poly3" focal="50" br="-0.0000816" vr="1.0002947" bb="0.0001675" vb="0.9998280"/>
            <vignetting model="pa" focal="50" aperture="1.4" distance="0.45" k1="-1.2133" k2="0.7385" k3="-0.2283"/>
            <vignetting model="pa" focal="50" aperture="1.4" distance="0.9" k1="-1.5471" k2="1.3080" k3="-0.5300"/>
            <vignetting model="pa" focal="50" aperture="1.4" distance="2.7" k1="-1.6546" k2="1.4781" k3="-0.6175"/>
            <vignetting model="pa" focal="50" aperture="1.4" distance="1000" k1="-1.6987" k2="1.5340" k3="-0.6426"/>
            <vignetting model="pa" focal="50" aperture="2" distance="0.45" k1="0.0561" k2="-0.9960" k3="0.4486"/>
            <vignetting model="pa" focal="50" aperture="2" distance="0.9" k1="0.1089" k2="-1.3840" k3="0.6970"/>
            <vignetting model="pa" focal="50" aperture="2" distance="2.7" k1="0.1071" k2="-1.5289" k3="0.8047"/>
            <vignetting model="pa" focal="50" aperture="2" distance="1000" k1="0.0948" k2="-1.5688" k3="0.8379"/>
            <vignetting model="pa" focal="50" aperture="2.8" distance="0.45" k1="-0.2081" k2="0.2073" k3="-0.2248"/>
            <vignetting model="pa" focal="50" aperture="2.8" distance="0.9" k1="-0.2781" k2="0.3881" k3="-0.4386"/>
            <vignetting model="pa" focal="50" aperture="2.8" distance="2.7" k1="-0.2821" k2="0.3808" k3="-0.4832"/>
            <vignetting model="pa" focal="50" aperture="2.8" distance="1000" k1="-0.2913" k2="0.3893" k3="-0.5136"/>
            <vignetting model="pa" focal="50" aperture="4" distance="0.45" k1="-0.1550" k2="-0.0639" k3="0.0839"/>
            <vignetting model="pa" focal="50" aperture="4" distance="0.9" k1="-0.1912" k2="-0.0557" k3="0.0760"/>
            <vignetting model="pa" focal="50" aperture="4" distance="2.7" k1="-0.2199" k2="-0.0120" k3="0.0383"/>
            <vignetting model="pa" focal="50" aperture="4" distance="1000" k1="-0.2456" k2="0.0370" k3="-0.0021"/>
            <vignetting model="pa" focal="50" aperture="22" distance="0.45" k1="-0.1764" k2="-0.0538" k3="0.0839"/>
            <vignetting model="pa" focal="50" aperture="22" distance="0.9" k1="-0.2106" k2="-0.0590" k3="0.0888"/>
            <vignetting model="pa" focal="50" aperture="22" distance="2.7" k1="-0.2330" k2="-0.0454" k3="0.0805"/>
            <vignetting model="pa" focal="50" aperture="22" distance="1000" k1="-0.2485" k2="-0.0389" k3="0.0790"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 55-200mm f/4.5-5.6</model>
        <mount>Canon EF</mount>
        <!-- Average crop factor of Canon APS-C cameras -->
        <cropfactor>1.611</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="55" a="-0.002904" b="0.003678" c="0"/>
            <distortion model="ptlens" focal="65" a="-0.004584" b="0.008401" c="0"/>
            <distortion model="ptlens" focal="75" a="-0.000913" b="0.001853" c="0"/>
            <distortion model="ptlens" focal="88" a="-0.002182" b="0.007163" c="0"/>
            <distortion model="ptlens" focal="105" a="-0.002465" b="0.008767" c="0"/>
            <distortion model="ptlens" focal="130" a="-0.003219" b="0.010958" c="0"/>
            <distortion model="ptlens" focal="145" a="-0.003261" b="0.011157" c="0"/>
            <distortion model="ptlens" focal="160" a="-0.003477" b="0.011918" c="0"/>
            <distortion model="ptlens" focal="200" a="-0.00602" b="0.017552" c="0"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF-S 55-250mm f/4-5.6 IS</model>
        <mount>Canon EF-S</mount>
        <!-- Average crop factor of Canon APS-C cameras -->
        <cropfactor>1.611</cropfactor>
        <calibration>
            <!-- data gathered by Spoilerhead 2010 <spoilerhead@gmail.com> using hugin-->
            <!-- 15 shots-->
            <distortion model="ptlens" focal="55" a="-0.000303056" b="-0.00581537" c="-0.00237143"/>
            <!-- 21 shots -->
            <distortion model="ptlens" focal="70" a="-0.000520255" b="2.86405e-05" c="0.00286934"/>
            <!-- 17-->
            <distortion model="ptlens" focal="100" a="0.00268582" b="-0.00578304" c="0.00718748"/>
            <!-- 15 -->
            <distortion model="ptlens" focal="135" a="0.00120309" b="0.00979416" c="-0.00868762"/>
            <!-- 18 -->
            <distortion model="ptlens" focal="250" a="-0.00226069" b="0.0111545" c="-0.00536676"/>
            <tca model="poly3" focal="55" br="0.0001058" vr="1.0000402" bb="-0.0001107" vb="1.0002220"/>
            <tca model="poly3" focal="70" br="0.0000486" vr="1.0000622" bb="-0.0000826" vb="1.0001793"/>
            <tca model="poly3" focal="100" br="0.0000227" vr="0.9999711" bb="-0.0000374" vb="1.0000907"/>
            <tca model="poly3" focal="135" br="0.0000114" vr="0.9999012" bb="-0.0000123" vb="1.0000019"/>
            <tca model="poly3" focal="250" br="0.0000067" vr="0.9998026" bb="-0.0000349" vb="0.9999041"/>
            <!-- Taken with Canon EOS 550D -->
            <vignetting model="pa" focal="55" aperture="4" distance="10" k1="-0.6290" k2="0.4091" k3="-0.2801"/>
            <vignetting model="pa" focal="55" aperture="4" distance="1000" k1="-0.6290" k2="0.4091" k3="-0.2801"/>
            <vignetting model="pa" focal="55" aperture="5.6" distance="10" k1="-0.0462" k2="0.0472" k3="-0.2275"/>
            <vignetting model="pa" focal="55" aperture="5.6" distance="1000" k1="-0.0462" k2="0.0472" k3="-0.2275"/>
            <vignetting model="pa" focal="55" aperture="8" distance="10" k1="-0.0096" k2="-0.1638" k3="0.1113"/>
            <vignetting model="pa" focal="55" aperture="8" distance="1000" k1="-0.0096" k2="-0.1638" k3="0.1113"/>
            <vignetting model="pa" focal="55" aperture="11" distance="10" k1="0.0034" k2="-0.1932" k3="0.1293"/>
            <vignetting model="pa" focal="55" aperture="11" distance="1000" k1="0.0034" k2="-0.1932" k3="0.1293"/>
            <vignetting model="pa" focal="55" aperture="16" distance="10" k1="0.0109" k2="-0.2130" k3="0.1418"/>
            <vignetting model="pa" focal="55" aperture="16" distance="1000" k1="0.0109" k2="-0.2130" k3="0.1418"/>
            <vignetting model="pa" focal="55" aperture="22" distance="10" k1="0.0156" k2="-0.2249" k3="0.1494"/>
            <vignetting model="pa" focal="55" aperture="22" distance="1000" k1="0.0156" k2="-0.2249" k3="0.1494"/>
            <vignetting model="pa" focal="70" aperture="4" distance="10" k1="-0.6730" k2="0.6146" k3="-0.3810"/>
            <vignetting model="pa" focal="70" aperture="4" distance="1000" k1="-0.6730" k2="0.6146" k3="-0.3810"/>
            <vignetting model="pa" focal="70" aperture="5.6" distance="10" k1="-0.0447" k2="0.0246" k3="-0.1055"/>
            <vignetting model="pa" focal="70" aperture="5.6" distance="1000" k1="-0.0447" k2="0.0246" k3="-0.1055"/>
            <vignetting model="pa" focal="70" aperture="8" distance="10" k1="-0.0120" k2="-0.1427" k3="0.1033"/>
            <vignetting model="pa" focal="70" aperture="8" distance="1000" k1="-0.0120" k2="-0.1427" k3="0.1033"/>
            <vignetting model="pa" focal="70" aperture="11" distance="10" k1="0.0056" k2="-0.1861" k3="0.1315"/>
            <vignetting model="pa" focal="70" aperture="11" distance="1000" k1="0.0056" k2="-0.1861" k3="0.1315"/>
            <vignetting model="pa" focal="70" aperture="16" distance="10" k1="0.0131" k2="-0.2045" k3="0.1438"/>
            <vignetting model="pa" focal="70" aperture="16" distance="1000" k1="0.0131" k2="-0.2045" k3="0.1438"/>
            <vignetting model="pa" focal="70" aperture="22" distance="10" k1="0.0279" k2="-0.2334" k3="0.1579"/>
            <vignetting model="pa" focal="70" aperture="22" distance="1000" k1="0.0279" k2="-0.2334" k3="0.1579"/>
            <vignetting model="pa" focal="100" aperture="5" distance="10" k1="-0.5671" k2="0.5259" k3="-0.3298"/>
            <vignetting model="pa" focal="100" aperture="5" distance="1000" k1="-0.5671" k2="0.5259" k3="-0.3298"/>
            <vignetting model="pa" focal="100" aperture="5.6" distance="10" k1="-0.1714" k2="-0.0770" k3="-0.0088"/>
            <vignetting model="pa" focal="100" aperture="5.6" distance="1000" k1="-0.1714" k2="-0.0770" k3="-0.0088"/>
            <vignetting model="pa" focal="100" aperture="8" distance="10" k1="-0.0284" k2="-0.0551" k3="0.0354"/>
            <vignetting model="pa" focal="100" aperture="8" distance="1000" k1="-0.0284" k2="-0.0551" k3="0.0354"/>
            <vignetting model="pa" focal="100" aperture="11" distance="10" k1="-0.0119" k2="-0.1113" k3="0.0816"/>
            <vignetting model="pa" focal="100" aperture="11" distance="1000" k1="-0.0119" k2="-0.1113" k3="0.0816"/>
            <vignetting model="pa" focal="100" aperture="16" distance="10" k1="-0.0009" k2="-0.1424" k3="0.1032"/>
            <vignetting model="pa" focal="100" aperture="16" distance="1000" k1="-0.0009" k2="-0.1424" k3="0.1032"/>
            <vignetting model="pa" focal="100" aperture="22" distance="10" k1="0.0148" k2="-0.1704" k3="0.1192"/>
            <vignetting model="pa" focal="100" aperture="22" distance="1000" k1="0.0148" k2="-0.1704" k3="0.1192"/>
            <vignetting model="pa" focal="100" aperture="29" distance="10" k1="0.0196" k2="-0.1853" k3="0.1298"/>
            <vignetting model="pa" focal="100" aperture="29" distance="1000" k1="0.0196" k2="-0.1853" k3="0.1298"/>
            <vignetting model="pa" focal="135" aperture="5" distance="10" k1="-0.3279" k2="-0.1954" k3="0.0941"/>
            <vignetting model="pa" focal="135" aperture="5" distance="1000" k1="-0.3279" k2="-0.1954" k3="0.0941"/>
            <vignetting model="pa" focal="135" aperture="5.6" distance="10" k1="-0.1084" k2="-0.3475" k3="0.1150"/>
            <vignetting model="pa" focal="135" aperture="5.6" distance="1000" k1="-0.1084" k2="-0.3475" k3="0.1150"/>
            <vignetting model="pa" focal="135" aperture="8" distance="10" k1="-0.0477" k2="0.0345" k3="-0.0424"/>
            <vignetting model="pa" focal="135" aperture="8" distance="1000" k1="-0.0477" k2="0.0345" k3="-0.0424"/>
            <vignetting model="pa" focal="135" aperture="11" distance="10" k1="-0.0121" k2="-0.0845" k3="0.0589"/>
            <vignetting model="pa" focal="135" aperture="11" distance="1000" k1="-0.0121" k2="-0.0845" k3="0.0589"/>
            <vignetting model="pa" focal="135" aperture="16" distance="10" k1="0.0076" k2="-0.1332" k3="0.0907"/>
            <vignetting model="pa" focal="135" aperture="16" distance="1000" k1="0.0076" k2="-0.1332" k3="0.0907"/>
            <vignetting model="pa" focal="135" aperture="22" distance="10" k1="0.0241" k2="-0.1711" k3="0.1140"/>
            <vignetting model="pa" focal="135" aperture="22" distance="1000" k1="0.0241" k2="-0.1711" k3="0.1140"/>
            <vignetting model="pa" focal="135" aperture="29" distance="10" k1="0.0310" k2="-0.1849" k3="0.1219"/>
            <vignetting model="pa" focal="135" aperture="29" distance="1000" k1="0.0310" k2="-0.1849" k3="0.1219"/>
            <vignetting model="pa" focal="200" aperture="5.6" distance="10" k1="-0.8137" k2="0.3985" k3="-0.0714"/>
            <vignetting model="pa" focal="200" aperture="5.6" distance="1000" k1="-0.8137" k2="0.3985" k3="-0.0714"/>
            <vignetting model="pa" focal="200" aperture="8" distance="10" k1="0.0019" k2="-0.0252" k3="-0.1253"/>
            <vignetting model="pa" focal="200" aperture="8" distance="1000" k1="0.0019" k2="-0.0252" k3="-0.1253"/>
            <vignetting model="pa" focal="200" aperture="11" distance="10" k1="-0.0151" k2="-0.0661" k3="0.0452"/>
            <vignetting model="pa" focal="200" aperture="11" distance="1000" k1="-0.0151" k2="-0.0661" k3="0.0452"/>
            <vignetting model="pa" focal="200" aperture="16" distance="10" k1="-0.0191" k2="-0.0666" k3="0.0480"/>
            <vignetting model="pa" focal="200" aperture="16" distance="1000" k1="-0.0191" k2="-0.0666" k3="0.0480"/>
            <vignetting model="pa" focal="200" aperture="22" distance="10" k1="-0.0161" k2="-0.0789" k3="0.0570"/>
            <vignetting model="pa" focal="200" aperture="22" distance="1000" k1="-0.0161" k2="-0.0789" k3="0.0570"/>
            <vignetting model="pa" focal="200" aperture="32" distance="10" k1="-0.0118" k2="-0.0902" k3="0.0630"/>
            <vignetting model="pa" focal="200" aperture="32" distance="1000" k1="-0.0118" k2="-0.0902" k3="0.0630"/>
            <vignetting model="pa" focal="250" aperture="5.6" distance="10" k1="-1.1623" k2="1.2351" k3="-0.5658"/>
            <vignetting model="pa" focal="250" aperture="5.6" distance="1000" k1="-1.1623" k2="1.2351" k3="-0.5658"/>
            <vignetting model="pa" focal="250" aperture="8" distance="10" k1="0.0520" k2="-0.2446" k3="0.0316"/>
            <vignetting model="pa" focal="250" aperture="8" distance="1000" k1="0.0520" k2="-0.2446" k3="0.0316"/>
            <vignetting model="pa" focal="250" aperture="11" distance="10" k1="-0.0198" k2="-0.0546" k3="0.0369"/>
            <vignetting model="pa" focal="250" aperture="11" distance="1000" k1="-0.0198" k2="-0.0546" k3="0.0369"/>
            <vignetting model="pa" focal="250" aperture="16" distance="10" k1="-0.0268" k2="-0.0486" k3="0.0355"/>
            <vignetting model="pa" focal="250" aperture="16" distance="1000" k1="-0.0268" k2="-0.0486" k3="0.0355"/>
            <vignetting model="pa" focal="250" aperture="22" distance="10" k1="-0.0268" k2="-0.0573" k3="0.0423"/>
            <vignetting model="pa" focal="250" aperture="22" distance="1000" k1="-0.0268" k2="-0.0573" k3="0.0423"/>
            <vignetting model="pa" focal="250" aperture="32" distance="10" k1="-0.0125" k2="-0.0836" k3="0.0552"/>
            <vignetting model="pa" focal="250" aperture="32" distance="1000" k1="-0.0125" k2="-0.0836" k3="0.0552"/>
        </calibration>
    </lens>
    <lens>
        <!-- This is a copy of the Canon EF-S 55-250mm f/4-5.6 IS, which,
             according to
             <https://en.wikipedia.org/wiki/Canon_EF-S_55%E2%80%93250mm_lens>,
             is optically equivalent. -->
        <maker>Canon</maker>
        <model>Canon EF-S 55-250mm f/4-5.6 IS II</model>
        <mount>Canon EF-S</mount>
        <!-- Average crop factor of Canon APS-C cameras -->
        <cropfactor>1.611</cropfactor>
        <calibration>
            <!-- data gathered by Spoilerhead 2010 <spoilerhead@gmail.com> using hugin-->
            <!-- 15 shots-->
            <distortion model="ptlens" focal="55" a="-0.000303056" b="-0.00581537" c="-0.00237143"/>
            <!-- 21 shots -->
            <distortion model="ptlens" focal="70" a="-0.000520255" b="2.86405e-05" c="0.00286934"/>
            <!-- 17-->
            <distortion model="ptlens" focal="100" a="0.00268582" b="-0.00578304" c="0.00718748"/>
            <!-- 15 -->
            <distortion model="ptlens" focal="135" a="0.00120309" b="0.00979416" c="-0.00868762"/>
            <!-- 18 -->
            <distortion model="ptlens" focal="250" a="-0.00226069" b="0.0111545" c="-0.00536676"/>
            <tca model="poly3" focal="55" br="0.0001058" vr="1.0000402" bb="-0.0001107" vb="1.0002220"/>
            <tca model="poly3" focal="70" br="0.0000486" vr="1.0000622" bb="-0.0000826" vb="1.0001793"/>
            <tca model="poly3" focal="100" br="0.0000227" vr="0.9999711" bb="-0.0000374" vb="1.0000907"/>
            <tca model="poly3" focal="135" br="0.0000114" vr="0.9999012" bb="-0.0000123" vb="1.0000019"/>
            <tca model="poly3" focal="250" br="0.0000067" vr="0.9998026" bb="-0.0000349" vb="0.9999041"/>
            <!-- Taken with Canon EOS 550D -->
            <vignetting model="pa" focal="55" aperture="4" distance="10" k1="-0.6290" k2="0.4091" k3="-0.2801"/>
            <vignetting model="pa" focal="55" aperture="4" distance="1000" k1="-0.6290" k2="0.4091" k3="-0.2801"/>
            <vignetting model="pa" focal="55" aperture="5.6" distance="10" k1="-0.0462" k2="0.0472" k3="-0.2275"/>
            <vignetting model="pa" focal="55" aperture="5.6" distance="1000" k1="-0.0462" k2="0.0472" k3="-0.2275"/>
            <vignetting model="pa" focal="55" aperture="8" distance="10" k1="-0.0096" k2="-0.1638" k3="0.1113"/>
            <vignetting model="pa" focal="55" aperture="8" distance="1000" k1="-0.0096" k2="-0.1638" k3="0.1113"/>
            <vignetting model="pa" focal="55" aperture="11" distance="10" k1="0.0034" k2="-0.1932" k3="0.1293"/>
            <vignetting model="pa" focal="55" aperture="11" distance="1000" k1="0.0034" k2="-0.1932" k3="0.1293"/>
            <vignetting model="pa" focal="55" aperture="16" distance="10" k1="0.0109" k2="-0.2130" k3="0.1418"/>
            <vignetting model="pa" focal="55" aperture="16" distance="1000" k1="0.0109" k2="-0.2130" k3="0.1418"/>
            <vignetting model="pa" focal="55" aperture="22" distance="10" k1="0.0156" k2="-0.2249" k3="0.1494"/>
            <vignetting model="pa" focal="55" aperture="22" distance="1000" k1="0.0156" k2="-0.2249" k3="0.1494"/>
            <vignetting model="pa" focal="70" aperture="4" distance="10" k1="-0.6730" k2="0.6146" k3="-0.3810"/>
            <vignetting model="pa" focal="70" aperture="4" distance="1000" k1="-0.6730" k2="0.6146" k3="-0.3810"/>
            <vignetting model="pa" focal="70" aperture="5.6" distance="10" k1="-0.0447" k2="0.0246" k3="-0.1055"/>
            <vignetting model="pa" focal="70" aperture="5.6" distance="1000" k1="-0.0447" k2="0.0246" k3="-0.1055"/>
            <vignetting model="pa" focal="70" aperture="8" distance="10" k1="-0.0120" k2="-0.1427" k3="0.1033"/>
            <vignetting model="pa" focal="70" aperture="8" distance="1000" k1="-0.0120" k2="-0.1427" k3="0.1033"/>
            <vignetting model="pa" focal="70" aperture="11" distance="10" k1="0.0056" k2="-0.1861" k3="0.1315"/>
            <vignetting model="pa" focal="70" aperture="11" distance="1000" k1="0.0056" k2="-0.1861" k3="0.1315"/>
            <vignetting model="pa" focal="70" aperture="16" distance="10" k1="0.0131" k2="-0.2045" k3="0.1438"/>
            <vignetting model="pa" focal="70" aperture="16" distance="1000" k1="0.0131" k2="-0.2045" k3="0.1438"/>
            <vignetting model="pa" focal="70" aperture="22" distance="10" k1="0.0279" k2="-0.2334" k3="0.1579"/>
            <vignetting model="pa" focal="70" aperture="22" distance="1000" k1="0.0279" k2="-0.2334" k3="0.1579"/>
            <vignetting model="pa" focal="100" aperture="5" distance="10" k1="-0.5671" k2="0.5259" k3="-0.3298"/>
            <vignetting model="pa" focal="100" aperture="5" distance="1000" k1="-0.5671" k2="0.5259" k3="-0.3298"/>
            <vignetting model="pa" focal="100" aperture="5.6" distance="10" k1="-0.1714" k2="-0.0770" k3="-0.0088"/>
            <vignetting model="pa" focal="100" aperture="5.6" distance="1000" k1="-0.1714" k2="-0.0770" k3="-0.0088"/>
            <vignetting model="pa" focal="100" aperture="8" distance="10" k1="-0.0284" k2="-0.0551" k3="0.0354"/>
            <vignetting model="pa" focal="100" aperture="8" distance="1000" k1="-0.0284" k2="-0.0551" k3="0.0354"/>
            <vignetting model="pa" focal="100" aperture="11" distance="10" k1="-0.0119" k2="-0.1113" k3="0.0816"/>
            <vignetting model="pa" focal="100" aperture="11" distance="1000" k1="-0.0119" k2="-0.1113" k3="0.0816"/>
            <vignetting model="pa" focal="100" aperture="16" distance="10" k1="-0.0009" k2="-0.1424" k3="0.1032"/>
            <vignetting model="pa" focal="100" aperture="16" distance="1000" k1="-0.0009" k2="-0.1424" k3="0.1032"/>
            <vignetting model="pa" focal="100" aperture="22" distance="10" k1="0.0148" k2="-0.1704" k3="0.1192"/>
            <vignetting model="pa" focal="100" aperture="22" distance="1000" k1="0.0148" k2="-0.1704" k3="0.1192"/>
            <vignetting model="pa" focal="100" aperture="29" distance="10" k1="0.0196" k2="-0.1853" k3="0.1298"/>
            <vignetting model="pa" focal="100" aperture="29" distance="1000" k1="0.0196" k2="-0.1853" k3="0.1298"/>
            <vignetting model="pa" focal="135" aperture="5" distance="10" k1="-0.3279" k2="-0.1954" k3="0.0941"/>
            <vignetting model="pa" focal="135" aperture="5" distance="1000" k1="-0.3279" k2="-0.1954" k3="0.0941"/>
            <vignetting model="pa" focal="135" aperture="5.6" distance="10" k1="-0.1084" k2="-0.3475" k3="0.1150"/>
            <vignetting model="pa" focal="135" aperture="5.6" distance="1000" k1="-0.1084" k2="-0.3475" k3="0.1150"/>
            <vignetting model="pa" focal="135" aperture="8" distance="10" k1="-0.0477" k2="0.0345" k3="-0.0424"/>
            <vignetting model="pa" focal="135" aperture="8" distance="1000" k1="-0.0477" k2="0.0345" k3="-0.0424"/>
            <vignetting model="pa" focal="135" aperture="11" distance="10" k1="-0.0121" k2="-0.0845" k3="0.0589"/>
            <vignetting model="pa" focal="135" aperture="11" distance="1000" k1="-0.0121" k2="-0.0845" k3="0.0589"/>
            <vignetting model="pa" focal="135" aperture="16" distance="10" k1="0.0076" k2="-0.1332" k3="0.0907"/>
            <vignetting model="pa" focal="135" aperture="16" distance="1000" k1="0.0076" k2="-0.1332" k3="0.0907"/>
            <vignetting model="pa" focal="135" aperture="22" distance="10" k1="0.0241" k2="-0.1711" k3="0.1140"/>
            <vignetting model="pa" focal="135" aperture="22" distance="1000" k1="0.0241" k2="-0.1711" k3="0.1140"/>
            <vignetting model="pa" focal="135" aperture="29" distance="10" k1="0.0310" k2="-0.1849" k3="0.1219"/>
            <vignetting model="pa" focal="135" aperture="29" distance="1000" k1="0.0310" k2="-0.1849" k3="0.1219"/>
            <vignetting model="pa" focal="200" aperture="5.6" distance="10" k1="-0.8137" k2="0.3985" k3="-0.0714"/>
            <vignetting model="pa" focal="200" aperture="5.6" distance="1000" k1="-0.8137" k2="0.3985" k3="-0.0714"/>
            <vignetting model="pa" focal="200" aperture="8" distance="10" k1="0.0019" k2="-0.0252" k3="-0.1253"/>
            <vignetting model="pa" focal="200" aperture="8" distance="1000" k1="0.0019" k2="-0.0252" k3="-0.1253"/>
            <vignetting model="pa" focal="200" aperture="11" distance="10" k1="-0.0151" k2="-0.0661" k3="0.0452"/>
            <vignetting model="pa" focal="200" aperture="11" distance="1000" k1="-0.0151" k2="-0.0661" k3="0.0452"/>
            <vignetting model="pa" focal="200" aperture="16" distance="10" k1="-0.0191" k2="-0.0666" k3="0.0480"/>
            <vignetting model="pa" focal="200" aperture="16" distance="1000" k1="-0.0191" k2="-0.0666" k3="0.0480"/>
            <vignetting model="pa" focal="200" aperture="22" distance="10" k1="-0.0161" k2="-0.0789" k3="0.0570"/>
            <vignetting model="pa" focal="200" aperture="22" distance="1000" k1="-0.0161" k2="-0.0789" k3="0.0570"/>
            <vignetting model="pa" focal="200" aperture="32" distance="10" k1="-0.0118" k2="-0.0902" k3="0.0630"/>
            <vignetting model="pa" focal="200" aperture="32" distance="1000" k1="-0.0118" k2="-0.0902" k3="0.0630"/>
            <vignetting model="pa" focal="250" aperture="5.6" distance="10" k1="-1.1623" k2="1.2351" k3="-0.5658"/>
            <vignetting model="pa" focal="250" aperture="5.6" distance="1000" k1="-1.1623" k2="1.2351" k3="-0.5658"/>
            <vignetting model="pa" focal="250" aperture="8" distance="10" k1="0.0520" k2="-0.2446" k3="0.0316"/>
            <vignetting model="pa" focal="250" aperture="8" distance="1000" k1="0.0520" k2="-0.2446" k3="0.0316"/>
            <vignetting model="pa" focal="250" aperture="11" distance="10" k1="-0.0198" k2="-0.0546" k3="0.0369"/>
            <vignetting model="pa" focal="250" aperture="11" distance="1000" k1="-0.0198" k2="-0.0546" k3="0.0369"/>
            <vignetting model="pa" focal="250" aperture="16" distance="10" k1="-0.0268" k2="-0.0486" k3="0.0355"/>
            <vignetting model="pa" focal="250" aperture="16" distance="1000" k1="-0.0268" k2="-0.0486" k3="0.0355"/>
            <vignetting model="pa" focal="250" aperture="22" distance="10" k1="-0.0268" k2="-0.0573" k3="0.0423"/>
            <vignetting model="pa" focal="250" aperture="22" distance="1000" k1="-0.0268" k2="-0.0573" k3="0.0423"/>
            <vignetting model="pa" focal="250" aperture="32" distance="10" k1="-0.0125" k2="-0.0836" k3="0.0552"/>
            <vignetting model="pa" focal="250" aperture="32" distance="1000" k1="-0.0125" k2="-0.0836" k3="0.0552"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF-S 55-250mm f/4-5.6 IS STM</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.611</cropfactor>
        <calibration>
            <!-- Taken with Canon EOS 200D -->
            <distortion model="ptlens" focal="55" a="0.00157" b="-0.01287" c="0.00756"/>
            <distortion model="ptlens" focal="70" a="0.00466" b="-0.01919" c="0.01512"/>
            <distortion model="ptlens" focal="100" a="0.00317" b="-0.01381" c="0.02015"/>
            <distortion model="ptlens" focal="146" a="0.00949" b="-0.03441" c="0.04646"/>
            <distortion model="ptlens" focal="180" a="0.01009" b="-0.03746" c="0.05289"/>
            <distortion model="ptlens" focal="250" a="0.01707" b="-0.06654" c="0.09149"/>
            <tca model="poly3" focal="55" vr="1.0001246" vb="1.0001476"/>
            <tca model="poly3" focal="70" vr="1.0000732" vb="1.0001415"/>
            <tca model="poly3" focal="79" vr="1.0000121" vb="1.0001146"/>
            <tca model="poly3" focal="100" vr="0.9999748" vb="1.0000980"/>
            <tca model="poly3" focal="124" vr="0.9999380" vb="1.0000776"/>
            <tca model="poly3" focal="146" vr="0.9999229" vb="1.0000630"/>
            <tca model="poly3" focal="180" vr="0.9999124" vb="0.9999919"/>
            <tca model="poly3" focal="218" vr="0.9995" vb="0.9999627"/>
            <tca model="poly3" focal="250" vr="0.9995" vb="0.9999617"/>
            <!-- Taken with Canon EOS 750D -->
            <vignetting model="pa" focal="55" aperture="4" distance="10" k1="-0.9301" k2="0.7849" k3="-0.4070"/>
            <vignetting model="pa" focal="55" aperture="4" distance="1000" k1="-0.9301" k2="0.7849" k3="-0.4070"/>
            <vignetting model="pa" focal="55" aperture="5.6" distance="10" k1="-0.0136" k2="-0.3265" k3="0.0447"/>
            <vignetting model="pa" focal="55" aperture="5.6" distance="1000" k1="-0.0136" k2="-0.3265" k3="0.0447"/>
            <vignetting model="pa" focal="55" aperture="8" distance="10" k1="-0.1420" k2="0.1553" k3="-0.1466"/>
            <vignetting model="pa" focal="55" aperture="8" distance="1000" k1="-0.1420" k2="0.1553" k3="-0.1466"/>
            <vignetting model="pa" focal="55" aperture="11" distance="10" k1="-0.0988" k2="-0.0143" k3="0.0090"/>
            <vignetting model="pa" focal="55" aperture="11" distance="1000" k1="-0.0988" k2="-0.0143" k3="0.0090"/>
            <vignetting model="pa" focal="55" aperture="22" distance="10" k1="-0.1038" k2="-0.0032" k3="0.0030"/>
            <vignetting model="pa" focal="55" aperture="22" distance="1000" k1="-0.1038" k2="-0.0032" k3="0.0030"/>
            <vignetting model="pa" focal="70" aperture="4.5" distance="10" k1="-0.9409" k2="0.9300" k3="-0.4797"/>
            <vignetting model="pa" focal="70" aperture="4.5" distance="1000" k1="-0.9409" k2="0.9300" k3="-0.4797"/>
            <vignetting model="pa" focal="70" aperture="6.3" distance="10" k1="-0.0522" k2="-0.0709" k3="-0.0531"/>
            <vignetting model="pa" focal="70" aperture="6.3" distance="1000" k1="-0.0522" k2="-0.0709" k3="-0.0531"/>
            <vignetting model="pa" focal="70" aperture="9" distance="10" k1="-0.0801" k2="-0.0286" k3="0.0143"/>
            <vignetting model="pa" focal="70" aperture="9" distance="1000" k1="-0.0801" k2="-0.0286" k3="0.0143"/>
            <vignetting model="pa" focal="70" aperture="13" distance="10" k1="-0.0815" k2="-0.0232" k3="0.0106"/>
            <vignetting model="pa" focal="70" aperture="13" distance="1000" k1="-0.0815" k2="-0.0232" k3="0.0106"/>
            <vignetting model="pa" focal="70" aperture="25" distance="10" k1="-0.0872" k2="-0.0100" k3="0.0028"/>
            <vignetting model="pa" focal="70" aperture="25" distance="1000" k1="-0.0872" k2="-0.0100" k3="0.0028"/>
            <vignetting model="pa" focal="100" aperture="5" distance="10" k1="-0.8252" k2="0.9090" k3="-0.5548"/>
            <vignetting model="pa" focal="100" aperture="5" distance="1000" k1="-0.8252" k2="0.9090" k3="-0.5548"/>
            <vignetting model="pa" focal="100" aperture="7.1" distance="10" k1="-0.0801" k2="0.0572" k3="-0.1473"/>
            <vignetting model="pa" focal="100" aperture="7.1" distance="1000" k1="-0.0801" k2="0.0572" k3="-0.1473"/>
            <vignetting model="pa" focal="100" aperture="10" distance="10" k1="-0.0659" k2="-0.0419" k3="0.0212"/>
            <vignetting model="pa" focal="100" aperture="10" distance="1000" k1="-0.0659" k2="-0.0419" k3="0.0212"/>
            <vignetting model="pa" focal="100" aperture="14" distance="10" k1="-0.0685" k2="-0.0322" k3="0.0140"/>
            <vignetting model="pa" focal="100" aperture="14" distance="1000" k1="-0.0685" k2="-0.0322" k3="0.0140"/>
            <vignetting model="pa" focal="100" aperture="29" distance="10" k1="-0.0695" k2="-0.0283" k3="0.0118"/>
            <vignetting model="pa" focal="100" aperture="29" distance="1000" k1="-0.0695" k2="-0.0283" k3="0.0118"/>
            <vignetting model="pa" focal="135" aperture="5" distance="10" k1="-0.3846" k2="-0.5013" k3="0.3341"/>
            <vignetting model="pa" focal="135" aperture="5" distance="1000" k1="-0.3846" k2="-0.5013" k3="0.3341"/>
            <vignetting model="pa" focal="135" aperture="7.1" distance="10" k1="0.0778" k2="-0.3676" k3="-0.0283"/>
            <vignetting model="pa" focal="135" aperture="7.1" distance="1000" k1="0.0778" k2="-0.3676" k3="-0.0283"/>
            <vignetting model="pa" focal="135" aperture="10" distance="10" k1="-0.0889" k2="0.1170" k3="-0.1492"/>
            <vignetting model="pa" focal="135" aperture="10" distance="1000" k1="-0.0889" k2="0.1170" k3="-0.1492"/>
            <vignetting model="pa" focal="135" aperture="14" distance="10" k1="-0.0411" k2="-0.0929" k3="0.0630"/>
            <vignetting model="pa" focal="135" aperture="14" distance="1000" k1="-0.0411" k2="-0.0929" k3="0.0630"/>
            <vignetting model="pa" focal="135" aperture="29" distance="10" k1="-0.0424" k2="-0.0974" k3="0.0693"/>
            <vignetting model="pa" focal="135" aperture="29" distance="1000" k1="-0.0424" k2="-0.0974" k3="0.0693"/>
            <vignetting model="pa" focal="200" aperture="5.6" distance="10" k1="-1.3153" k2="1.0906" k3="-0.4126"/>
            <vignetting model="pa" focal="200" aperture="5.6" distance="1000" k1="-1.3153" k2="1.0906" k3="-0.4126"/>
            <vignetting model="pa" focal="200" aperture="8" distance="10" k1="0.1646" k2="-1.0269" k3="0.5102"/>
            <vignetting model="pa" focal="200" aperture="8" distance="1000" k1="0.1646" k2="-1.0269" k3="0.5102"/>
            <vignetting model="pa" focal="200" aperture="11" distance="10" k1="-0.0473" k2="0.0418" k3="-0.1959"/>
            <vignetting model="pa" focal="200" aperture="11" distance="1000" k1="-0.0473" k2="0.0418" k3="-0.1959"/>
            <vignetting model="pa" focal="200" aperture="16" distance="10" k1="-0.0457" k2="-0.0683" k3="0.0360"/>
            <vignetting model="pa" focal="200" aperture="16" distance="1000" k1="-0.0457" k2="-0.0683" k3="0.0360"/>
            <vignetting model="pa" focal="200" aperture="32" distance="10" k1="-0.0333" k2="-0.1134" k3="0.0753"/>
            <vignetting model="pa" focal="200" aperture="32" distance="1000" k1="-0.0333" k2="-0.1134" k3="0.0753"/>
            <vignetting model="pa" focal="250" aperture="5.6" distance="10" k1="-1.5915" k2="1.7714" k3="-0.8228"/>
            <vignetting model="pa" focal="250" aperture="5.6" distance="1000" k1="-1.5915" k2="1.7714" k3="-0.8228"/>
            <vignetting model="pa" focal="250" aperture="8" distance="10" k1="-0.0479" k2="-0.8729" k3="0.5269"/>
            <vignetting model="pa" focal="250" aperture="8" distance="1000" k1="-0.0479" k2="-0.8729" k3="0.5269"/>
            <vignetting model="pa" focal="250" aperture="11" distance="10" k1="0.0424" k2="-0.2887" k3="0.0193"/>
            <vignetting model="pa" focal="250" aperture="11" distance="1000" k1="0.0424" k2="-0.2887" k3="0.0193"/>
            <vignetting model="pa" focal="250" aperture="16" distance="10" k1="-0.0559" k2="-0.0263" k3="-0.0098"/>
            <vignetting model="pa" focal="250" aperture="16" distance="1000" k1="-0.0559" k2="-0.0263" k3="-0.0098"/>
            <vignetting model="pa" focal="250" aperture="32" distance="10" k1="-0.0383" k2="-0.1023" k3="0.0671"/>
            <vignetting model="pa" focal="250" aperture="32" distance="1000" k1="-0.0383" k2="-0.1023" k3="0.0671"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 70-200mm f/2.8L USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="70" a="0.00685" b="-0.02857" c="0.01482"/>
            <distortion model="ptlens" focal="80" a="0.00289" b="-0.0102" c="-0.00108"/>
            <distortion model="ptlens" focal="98" a="0.00649" b="-0.01829" c="0.0112"/>
            <distortion model="ptlens" focal="115" a="0.00291" b="-0.00372" c="-0.00112"/>
            <distortion model="ptlens" focal="140" a="0.00303" b="-0.00409" c="0.00218"/>
            <distortion model="ptlens" focal="160" a="0.00393" b="-0.00724" c="0.00959"/>
            <distortion model="ptlens" focal="200" a="0.00188" b="0.0023" c="-0.00101"/>
            <tca model="poly3" focal="70" br="-0.0000072" vr="1.0002433" bb="-0.0000189" vb="1.0000710"/>
            <tca model="poly3" focal="80" br="-0.0000073" vr="1.0002115" bb="-0.0000063" vb="1.0000321"/>
            <tca model="poly3" focal="98" br="-0.0000184" vr="1.0001630" bb="-0.0000178" vb="1.0000256"/>
            <tca model="poly3" focal="110" br="0.0000060" vr="1.0000837" bb="-0.0000161" vb="1.0000120"/>
            <tca model="poly3" focal="130" br="0.0000047" vr="1.0000377" bb="-0.0000165" vb="0.9999858"/>
            <tca model="poly3" focal="155" br="0.0000177" vr="0.9999569" bb="-0.0000230" vb="1.0000025"/>
            <tca model="poly3" focal="200" br="0.0000050" vr="0.9998535" bb="-0.0000540" vb="1.0000457"/>
            <vignetting model="pa" focal="70" aperture="2.8" distance="10" k1="-0.4762" k2="0.2388" k3="-0.2546"/>
            <vignetting model="pa" focal="70" aperture="2.8" distance="1000" k1="-0.4762" k2="0.2388" k3="-0.2546"/>
            <vignetting model="pa" focal="70" aperture="4" distance="10" k1="0.0816" k2="-0.2944" k3="-0.0667"/>
            <vignetting model="pa" focal="70" aperture="4" distance="1000" k1="0.0816" k2="-0.2944" k3="-0.0667"/>
            <vignetting model="pa" focal="70" aperture="5.6" distance="10" k1="-0.1361" k2="0.4030" k3="-0.4138"/>
            <vignetting model="pa" focal="70" aperture="5.6" distance="1000" k1="-0.1361" k2="0.4030" k3="-0.4138"/>
            <vignetting model="pa" focal="70" aperture="8" distance="10" k1="-0.0644" k2="0.0589" k3="-0.0313"/>
            <vignetting model="pa" focal="70" aperture="8" distance="1000" k1="-0.0644" k2="0.0589" k3="-0.0313"/>
            <vignetting model="pa" focal="70" aperture="32" distance="10" k1="-0.0529" k2="-0.0029" k3="0.0285"/>
            <vignetting model="pa" focal="70" aperture="32" distance="1000" k1="-0.0529" k2="-0.0029" k3="0.0285"/>
            <vignetting model="pa" focal="80" aperture="2.8" distance="10" k1="-0.4462" k2="0.3068" k3="-0.3205"/>
            <vignetting model="pa" focal="80" aperture="2.8" distance="1000" k1="-0.4462" k2="0.3068" k3="-0.3205"/>
            <vignetting model="pa" focal="80" aperture="4" distance="10" k1="-0.0263" k2="0.0948" k3="-0.3144"/>
            <vignetting model="pa" focal="80" aperture="4" distance="1000" k1="-0.0263" k2="0.0948" k3="-0.3144"/>
            <vignetting model="pa" focal="80" aperture="5.6" distance="10" k1="-0.1531" k2="0.4373" k3="-0.3971"/>
            <vignetting model="pa" focal="80" aperture="5.6" distance="1000" k1="-0.1531" k2="0.4373" k3="-0.3971"/>
            <vignetting model="pa" focal="80" aperture="8" distance="10" k1="-0.0497" k2="0.0163" k3="0.0033"/>
            <vignetting model="pa" focal="80" aperture="8" distance="1000" k1="-0.0497" k2="0.0163" k3="0.0033"/>
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            <vignetting model="pa" focal="80" aperture="32" distance="1000" k1="-0.0477" k2="-0.0152" k3="0.0372"/>
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            <vignetting model="pa" focal="100" aperture="2.8" distance="1000" k1="-0.2815" k2="-0.0586" k3="-0.1953"/>
            <vignetting model="pa" focal="100" aperture="4" distance="10" k1="0.0717" k2="-0.1539" k3="-0.2702"/>
            <vignetting model="pa" focal="100" aperture="4" distance="1000" k1="0.0717" k2="-0.1539" k3="-0.2702"/>
            <vignetting model="pa" focal="100" aperture="5.6" distance="10" k1="-0.1713" k2="0.6308" k3="-0.6955"/>
            <vignetting model="pa" focal="100" aperture="5.6" distance="1000" k1="-0.1713" k2="0.6308" k3="-0.6955"/>
            <vignetting model="pa" focal="100" aperture="8" distance="10" k1="-0.1775" k2="0.5332" k3="-0.4790"/>
            <vignetting model="pa" focal="100" aperture="8" distance="1000" k1="-0.1775" k2="0.5332" k3="-0.4790"/>
            <vignetting model="pa" focal="100" aperture="32" distance="10" k1="-0.0433" k2="-0.0219" k3="0.0405"/>
            <vignetting model="pa" focal="100" aperture="32" distance="1000" k1="-0.0433" k2="-0.0219" k3="0.0405"/>
            <vignetting model="pa" focal="135" aperture="2.8" distance="10" k1="-0.3282" k2="-0.6099" k3="0.3775"/>
            <vignetting model="pa" focal="135" aperture="2.8" distance="1000" k1="-0.3282" k2="-0.6099" k3="0.3775"/>
            <vignetting model="pa" focal="135" aperture="4" distance="10" k1="0.2872" k2="-1.2345" k3="0.5705"/>
            <vignetting model="pa" focal="135" aperture="4" distance="1000" k1="0.2872" k2="-1.2345" k3="0.5705"/>
            <vignetting model="pa" focal="135" aperture="5.6" distance="10" k1="0.0220" k2="-0.0050" k3="-0.3018"/>
            <vignetting model="pa" focal="135" aperture="5.6" distance="1000" k1="0.0220" k2="-0.0050" k3="-0.3018"/>
            <vignetting model="pa" focal="135" aperture="8" distance="10" k1="-0.1702" k2="0.5755" k3="-0.5787"/>
            <vignetting model="pa" focal="135" aperture="8" distance="1000" k1="-0.1702" k2="0.5755" k3="-0.5787"/>
            <vignetting model="pa" focal="135" aperture="32" distance="10" k1="-0.0424" k2="-0.0142" k3="0.0352"/>
            <vignetting model="pa" focal="135" aperture="32" distance="1000" k1="-0.0424" k2="-0.0142" k3="0.0352"/>
            <vignetting model="pa" focal="200" aperture="2.8" distance="10" k1="-1.4350" k2="1.7567" k3="-0.9122"/>
            <vignetting model="pa" focal="200" aperture="2.8" distance="1000" k1="-1.4350" k2="1.7567" k3="-0.9122"/>
            <vignetting model="pa" focal="200" aperture="4" distance="10" k1="-0.1855" k2="-0.7593" k3="0.5488"/>
            <vignetting model="pa" focal="200" aperture="4" distance="1000" k1="-0.1855" k2="-0.7593" k3="0.5488"/>
            <vignetting model="pa" focal="200" aperture="5.6" distance="10" k1="0.2013" k2="-0.8329" k3="0.3544"/>
            <vignetting model="pa" focal="200" aperture="5.6" distance="1000" k1="0.2013" k2="-0.8329" k3="0.3544"/>
            <vignetting model="pa" focal="200" aperture="8" distance="10" k1="-0.0728" k2="0.2494" k3="-0.3457"/>
            <vignetting model="pa" focal="200" aperture="8" distance="1000" k1="-0.0728" k2="0.2494" k3="-0.3457"/>
            <vignetting model="pa" focal="200" aperture="32" distance="10" k1="-0.0412" k2="-0.0125" k3="0.0382"/>
            <vignetting model="pa" focal="200" aperture="32" distance="1000" k1="-0.0412" k2="-0.0125" k3="0.0382"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 70-200mm f/2.8L IS USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <distortion model="poly3" focal="70" k1="-0.009135"/>
            <distortion model="poly3" focal="73" k1="-0.008769"/>
            <distortion model="poly3" focal="78" k1="-0.006965"/>
            <distortion model="poly3" focal="80" k1="-0.005047"/>
            <distortion model="poly3" focal="90" k1="-0.000959"/>
            <distortion model="poly3" focal="100" k1="0.00029"/>
            <distortion model="poly3" focal="115" k1="0.002667"/>
            <distortion model="poly3" focal="130" k1="0.004312"/>
            <distortion model="poly3" focal="145" k1="0.004809"/>
            <distortion model="poly3" focal="160" k1="0.005218"/>
            <distortion model="poly3" focal="170" k1="0.006153"/>
            <distortion model="poly3" focal="185" k1="0.006109"/>
            <distortion model="poly3" focal="200" k1="0.008631"/>
            <!-- Taken with 5D III upload 514b8f #317 -->
            <vignetting model="pa" focal="70" aperture="2.8" distance="10" k1="-0.4832" k2="-0.0322" k3="-0.0327"/>
            <vignetting model="pa" focal="70" aperture="2.8" distance="1000" k1="-0.4832" k2="-0.0322" k3="-0.0327"/>
            <vignetting model="pa" focal="70" aperture="4" distance="10" k1="-0.0712" k2="-0.1774" k3="-0.0917"/>
            <vignetting model="pa" focal="70" aperture="4" distance="1000" k1="-0.0712" k2="-0.1774" k3="-0.0917"/>
            <vignetting model="pa" focal="70" aperture="5.6" distance="10" k1="-0.2610" k2="0.3755" k3="-0.3360"/>
            <vignetting model="pa" focal="70" aperture="5.6" distance="1000" k1="-0.2610" k2="0.3755" k3="-0.3360"/>
            <vignetting model="pa" focal="70" aperture="8" distance="10" k1="-0.1759" k2="0.0064" k3="0.0340"/>
            <vignetting model="pa" focal="70" aperture="8" distance="1000" k1="-0.1759" k2="0.0064" k3="0.0340"/>
            <vignetting model="pa" focal="70" aperture="32" distance="10" k1="-0.1925" k2="0.0263" k3="0.0318"/>
            <vignetting model="pa" focal="70" aperture="32" distance="1000" k1="-0.1925" k2="0.0263" k3="0.0318"/>
            <vignetting model="pa" focal="90" aperture="2.8" distance="10" k1="-0.4242" k2="0.0019" k3="-0.0992"/>
            <vignetting model="pa" focal="90" aperture="2.8" distance="1000" k1="-0.4242" k2="0.0019" k3="-0.0992"/>
            <vignetting model="pa" focal="90" aperture="4" distance="10" k1="-0.2084" k2="0.3142" k3="-0.4273"/>
            <vignetting model="pa" focal="90" aperture="4" distance="1000" k1="-0.2084" k2="0.3142" k3="-0.4273"/>
            <vignetting model="pa" focal="90" aperture="5.6" distance="10" k1="-0.2544" k2="0.3641" k3="-0.3045"/>
            <vignetting model="pa" focal="90" aperture="5.6" distance="1000" k1="-0.2544" k2="0.3641" k3="-0.3045"/>
            <vignetting model="pa" focal="90" aperture="8" distance="10" k1="-0.1675" k2="0.0019" k3="0.0375"/>
            <vignetting model="pa" focal="90" aperture="8" distance="1000" k1="-0.1675" k2="0.0019" k3="0.0375"/>
            <vignetting model="pa" focal="90" aperture="32" distance="10" k1="-0.1897" k2="0.0354" k3="0.0271"/>
            <vignetting model="pa" focal="90" aperture="32" distance="1000" k1="-0.1897" k2="0.0354" k3="0.0271"/>
            <vignetting model="pa" focal="110" aperture="2.8" distance="10" k1="-0.2295" k2="-0.6539" k3="0.3006"/>
            <vignetting model="pa" focal="110" aperture="2.8" distance="1000" k1="-0.2295" k2="-0.6539" k3="0.3006"/>
            <vignetting model="pa" focal="110" aperture="4" distance="10" k1="0.0006" k2="-0.3509" k3="-0.0461"/>
            <vignetting model="pa" focal="110" aperture="4" distance="1000" k1="0.0006" k2="-0.3509" k3="-0.0461"/>
            <vignetting model="pa" focal="110" aperture="5.6" distance="10" k1="-0.2542" k2="0.5030" k3="-0.5407"/>
            <vignetting model="pa" focal="110" aperture="5.6" distance="1000" k1="-0.2542" k2="0.5030" k3="-0.5407"/>
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            <vignetting model="pa" focal="110" aperture="8" distance="1000" k1="-0.2430" k2="0.3191" k3="-0.2517"/>
            <vignetting model="pa" focal="110" aperture="32" distance="10" k1="-0.1837" k2="0.0294" k3="0.0323"/>
            <vignetting model="pa" focal="110" aperture="32" distance="1000" k1="-0.1837" k2="0.0294" k3="0.0323"/>
            <vignetting model="pa" focal="148" aperture="2.8" distance="10" k1="-0.4508" k2="-0.6247" k3="0.4719"/>
            <vignetting model="pa" focal="148" aperture="2.8" distance="1000" k1="-0.4508" k2="-0.6247" k3="0.4719"/>
            <vignetting model="pa" focal="148" aperture="4" distance="10" k1="0.1558" k2="-1.1718" k3="0.5969"/>
            <vignetting model="pa" focal="148" aperture="4" distance="1000" k1="0.1558" k2="-1.1718" k3="0.5969"/>
            <vignetting model="pa" focal="148" aperture="5.6" distance="10" k1="-0.1087" k2="0.0619" k3="-0.2818"/>
            <vignetting model="pa" focal="148" aperture="5.6" distance="1000" k1="-0.1087" k2="0.0619" k3="-0.2818"/>
            <vignetting model="pa" focal="148" aperture="8" distance="10" k1="-0.2525" k2="0.4318" k3="-0.3930"/>
            <vignetting model="pa" focal="148" aperture="8" distance="1000" k1="-0.2525" k2="0.4318" k3="-0.3930"/>
            <vignetting model="pa" focal="148" aperture="32" distance="10" k1="-0.1855" k2="0.0513" k3="0.0160"/>
            <vignetting model="pa" focal="148" aperture="32" distance="1000" k1="-0.1855" k2="0.0513" k3="0.0160"/>
            <vignetting model="pa" focal="200" aperture="2.8" distance="10" k1="-1.2917" k2="1.2372" k3="-0.5701"/>
            <vignetting model="pa" focal="200" aperture="2.8" distance="1000" k1="-1.2917" k2="1.2372" k3="-0.5701"/>
            <vignetting model="pa" focal="200" aperture="4" distance="10" k1="-0.1056" k2="-0.9720" k3="0.6555"/>
            <vignetting model="pa" focal="200" aperture="4" distance="1000" k1="-0.1056" k2="-0.9720" k3="0.6555"/>
            <vignetting model="pa" focal="200" aperture="5.6" distance="10" k1="0.0508" k2="-0.5327" k3="0.1674"/>
            <vignetting model="pa" focal="200" aperture="5.6" distance="1000" k1="0.0508" k2="-0.5327" k3="0.1674"/>
            <vignetting model="pa" focal="200" aperture="8" distance="10" k1="-0.1856" k2="0.2665" k3="-0.2813"/>
            <vignetting model="pa" focal="200" aperture="8" distance="1000" k1="-0.1856" k2="0.2665" k3="-0.2813"/>
            <vignetting model="pa" focal="200" aperture="32" distance="10" k1="-0.1852" k2="0.0765" k3="-0.0067"/>
            <vignetting model="pa" focal="200" aperture="32" distance="1000" k1="-0.1852" k2="0.0765" k3="-0.0067"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 70-200mm f/2.8L IS USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1.62</cropfactor>
        <calibration>
            <!-- Submitted by calibration upload 2fc12b #313 -->
            <distortion focal="70" model="ptlens" a="-0.00077" b="-0.00037" c="-0.0038"/>
            <distortion focal="80" model="ptlens" a="0.00472" b="-0.02025" c="0.02352"/>
            <distortion focal="85" model="ptlens" a="-0.00247" b="0.00964" c="-0.01219"/>
            <distortion focal="105" model="ptlens" a="-0.00083" b="0.00174" c="0.00074"/>
            <distortion focal="110" model="ptlens" a="0.00386" b="-0.01299" c="0.01392"/>
            <distortion focal="120" model="ptlens" a="0.00418" b="-0.01345" c="0.01546"/>
            <distortion focal="140" model="ptlens" a="-0.00181" b="0.00744" c="-0.00667"/>
            <distortion focal="200" model="ptlens" a="0.00408" b="-0.00997" c="0.00969"/>
            <tca model="poly3" focal="70" vr="1.000351" vb="1.0000622"/>
            <tca model="poly3" focal="80" vr="0.9999255" vb="0.9999259"/>
            <tca model="poly3" focal="85" vr="0.9998840" vb="1.0000314"/>
            <tca model="poly3" focal="105" vr="0.9996874" vb="1.0000143"/>
            <tca model="poly3" focal="110" vr="0.9999465" vb="1.000028"/>
            <tca model="poly3" focal="120" vr="1.0008615" vb="0.9999955"/>
            <tca model="poly3" focal="140" vr="0.9999548" vb="0.9996983"/>
            <tca model="poly3" focal="200" vr="0.9997362" vb="1.0000525"/>
            <!-- Taken with Canon EOS 7D -->
            <vignetting model="pa" focal="70" aperture="2.8" distance="10" k1="-0.2445" k2="0.1287" k3="-0.0538"/>
            <vignetting model="pa" focal="70" aperture="2.8" distance="1000" k1="-0.2445" k2="0.1287" k3="-0.0538"/>
            <vignetting model="pa" focal="70" aperture="3.2" distance="10" k1="-0.0478" k2="0.0173" k3="-0.0207"/>
            <vignetting model="pa" focal="70" aperture="3.2" distance="1000" k1="-0.0478" k2="0.0173" k3="-0.0207"/>
            <vignetting model="pa" focal="70" aperture="3.5" distance="10" k1="-0.0324" k2="-0.0258" k3="0.0145"/>
            <vignetting model="pa" focal="70" aperture="3.5" distance="1000" k1="-0.0324" k2="-0.0258" k3="0.0145"/>
            <vignetting model="pa" focal="70" aperture="4" distance="10" k1="-0.0235" k2="-0.0437" k3="0.0222"/>
            <vignetting model="pa" focal="70" aperture="4" distance="1000" k1="-0.0235" k2="-0.0437" k3="0.0222"/>
            <vignetting model="pa" focal="70" aperture="4.5" distance="10" k1="-0.0217" k2="-0.0435" k3="0.0190"/>
            <vignetting model="pa" focal="70" aperture="4.5" distance="1000" k1="-0.0217" k2="-0.0435" k3="0.0190"/>
            <vignetting model="pa" focal="70" aperture="5" distance="10" k1="-0.0168" k2="-0.0551" k3="0.0249"/>
            <vignetting model="pa" focal="70" aperture="5" distance="1000" k1="-0.0168" k2="-0.0551" k3="0.0249"/>
            <vignetting model="pa" focal="70" aperture="5.6" distance="10" k1="-0.0067" k2="-0.0696" k3="0.0306"/>
            <vignetting model="pa" focal="70" aperture="5.6" distance="1000" k1="-0.0067" k2="-0.0696" k3="0.0306"/>
            <vignetting model="pa" focal="70" aperture="32" distance="10" k1="0.0044" k2="-0.0787" k3="0.0279"/>
            <vignetting model="pa" focal="70" aperture="32" distance="1000" k1="0.0044" k2="-0.0787" k3="0.0279"/>
            <vignetting model="pa" focal="85" aperture="2.8" distance="10" k1="-0.1847" k2="0.0692" k3="-0.0336"/>
            <vignetting model="pa" focal="85" aperture="2.8" distance="1000" k1="-0.1847" k2="0.0692" k3="-0.0336"/>
            <vignetting model="pa" focal="85" aperture="3.2" distance="10" k1="-0.0306" k2="-0.0087" k3="-0.0093"/>
            <vignetting model="pa" focal="85" aperture="3.2" distance="1000" k1="-0.0306" k2="-0.0087" k3="-0.0093"/>
            <vignetting model="pa" focal="85" aperture="3.5" distance="10" k1="-0.0249" k2="-0.0410" k3="0.0194"/>
            <vignetting model="pa" focal="85" aperture="3.5" distance="1000" k1="-0.0249" k2="-0.0410" k3="0.0194"/>
            <vignetting model="pa" focal="85" aperture="4" distance="10" k1="-0.0296" k2="-0.0401" k3="0.0222"/>
            <vignetting model="pa" focal="85" aperture="4" distance="1000" k1="-0.0296" k2="-0.0401" k3="0.0222"/>
            <vignetting model="pa" focal="85" aperture="4.5" distance="10" k1="-0.0019" k2="-0.0789" k3="0.0455"/>
            <vignetting model="pa" focal="85" aperture="4.5" distance="1000" k1="-0.0019" k2="-0.0789" k3="0.0455"/>
            <vignetting model="pa" focal="85" aperture="5" distance="10" k1="-0.0189" k2="-0.0438" k3="0.0230"/>
            <vignetting model="pa" focal="85" aperture="5" distance="1000" k1="-0.0189" k2="-0.0438" k3="0.0230"/>
            <vignetting model="pa" focal="85" aperture="5.6" distance="10" k1="0.0029" k2="-0.0918" k3="0.0506"/>
            <vignetting model="pa" focal="85" aperture="5.6" distance="1000" k1="0.0029" k2="-0.0918" k3="0.0506"/>
            <vignetting model="pa" focal="85" aperture="6.3" distance="10" k1="-0.0197" k2="-0.0373" k3="0.0173"/>
            <vignetting model="pa" focal="85" aperture="6.3" distance="1000" k1="-0.0197" k2="-0.0373" k3="0.0173"/>
            <vignetting model="pa" focal="85" aperture="7.1" distance="10" k1="-0.0141" k2="-0.0505" k3="0.0269"/>
            <vignetting model="pa" focal="85" aperture="7.1" distance="1000" k1="-0.0141" k2="-0.0505" k3="0.0269"/>
            <vignetting model="pa" focal="85" aperture="32" distance="10" k1="-0.0847" k2="0.1009" k3="-0.0537"/>
            <vignetting model="pa" focal="85" aperture="32" distance="1000" k1="-0.0847" k2="0.1009" k3="-0.0537"/>
            <vignetting model="pa" focal="110" aperture="2.8" distance="10" k1="-0.1402" k2="0.0305" k3="-0.0246"/>
            <vignetting model="pa" focal="110" aperture="2.8" distance="1000" k1="-0.1402" k2="0.0305" k3="-0.0246"/>
            <vignetting model="pa" focal="110" aperture="3.2" distance="10" k1="-0.0204" k2="-0.0462" k3="0.0239"/>
            <vignetting model="pa" focal="110" aperture="3.2" distance="1000" k1="-0.0204" k2="-0.0462" k3="0.0239"/>
            <vignetting model="pa" focal="110" aperture="3.5" distance="10" k1="-0.0154" k2="-0.0677" k3="0.0381"/>
            <vignetting model="pa" focal="110" aperture="3.5" distance="1000" k1="-0.0154" k2="-0.0677" k3="0.0381"/>
            <vignetting model="pa" focal="110" aperture="4" distance="10" k1="-0.0092" k2="-0.0658" k3="0.0336"/>
            <vignetting model="pa" focal="110" aperture="4" distance="1000" k1="-0.0092" k2="-0.0658" k3="0.0336"/>
            <vignetting model="pa" focal="110" aperture="4.5" distance="10" k1="-0.0149" k2="-0.0489" k3="0.0240"/>
            <vignetting model="pa" focal="110" aperture="4.5" distance="1000" k1="-0.0149" k2="-0.0489" k3="0.0240"/>
            <vignetting model="pa" focal="110" aperture="5" distance="10" k1="-0.0198" k2="-0.0329" k3="0.0136"/>
            <vignetting model="pa" focal="110" aperture="5" distance="1000" k1="-0.0198" k2="-0.0329" k3="0.0136"/>
            <vignetting model="pa" focal="110" aperture="32" distance="10" k1="-0.0558" k2="0.0293" k3="-0.0073"/>
            <vignetting model="pa" focal="110" aperture="32" distance="1000" k1="-0.0558" k2="0.0293" k3="-0.0073"/>
            <vignetting model="pa" focal="125" aperture="2.8" distance="10" k1="-0.1253" k2="0.0642" k3="-0.1090"/>
            <vignetting model="pa" focal="125" aperture="2.8" distance="1000" k1="-0.1253" k2="0.0642" k3="-0.1090"/>
            <vignetting model="pa" focal="125" aperture="3.2" distance="10" k1="-0.0445" k2="0.0677" k3="-0.0963"/>
            <vignetting model="pa" focal="125" aperture="3.2" distance="1000" k1="-0.0445" k2="0.0677" k3="-0.0963"/>
            <vignetting model="pa" focal="125" aperture="3.5" distance="10" k1="-0.0221" k2="-0.0096" k3="-0.0222"/>
            <vignetting model="pa" focal="125" aperture="3.5" distance="1000" k1="-0.0221" k2="-0.0096" k3="-0.0222"/>
            <vignetting model="pa" focal="125" aperture="4" distance="10" k1="-0.0018" k2="-0.0923" k3="0.0540"/>
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            <vignetting model="pa" focal="125" aperture="4.5" distance="1000" k1="-0.0074" k2="-0.0714" k3="0.0383"/>
            <vignetting model="pa" focal="125" aperture="5" distance="10" k1="-0.0068" k2="-0.0698" k3="0.0385"/>
            <vignetting model="pa" focal="125" aperture="5" distance="1000" k1="-0.0068" k2="-0.0698" k3="0.0385"/>
            <vignetting model="pa" focal="125" aperture="5.6" distance="10" k1="-0.0031" k2="-0.0699" k3="0.0398"/>
            <vignetting model="pa" focal="125" aperture="5.6" distance="1000" k1="-0.0031" k2="-0.0699" k3="0.0398"/>
            <vignetting model="pa" focal="125" aperture="32" distance="10" k1="0.0117" k2="-0.1081" k3="0.0635"/>
            <vignetting model="pa" focal="125" aperture="32" distance="1000" k1="0.0117" k2="-0.1081" k3="0.0635"/>
            <vignetting model="pa" focal="150" aperture="2.8" distance="10" k1="-0.0094" k2="-0.4307" k3="0.2087"/>
            <vignetting model="pa" focal="150" aperture="2.8" distance="1000" k1="-0.0094" k2="-0.4307" k3="0.2087"/>
            <vignetting model="pa" focal="150" aperture="3.2" distance="10" k1="0.0530" k2="-0.2295" k3="0.0398"/>
            <vignetting model="pa" focal="150" aperture="3.2" distance="1000" k1="0.0530" k2="-0.2295" k3="0.0398"/>
            <vignetting model="pa" focal="150" aperture="3.5" distance="10" k1="-0.0266" k2="0.0369" k3="-0.1150"/>
            <vignetting model="pa" focal="150" aperture="3.5" distance="1000" k1="-0.0266" k2="0.0369" k3="-0.1150"/>
            <vignetting model="pa" focal="150" aperture="4" distance="10" k1="-0.0337" k2="0.0380" k3="-0.0655"/>
            <vignetting model="pa" focal="150" aperture="4" distance="1000" k1="-0.0337" k2="0.0380" k3="-0.0655"/>
            <vignetting model="pa" focal="150" aperture="4.5" distance="10" k1="-0.0041" k2="-0.0799" k3="0.0457"/>
            <vignetting model="pa" focal="150" aperture="4.5" distance="1000" k1="-0.0041" k2="-0.0799" k3="0.0457"/>
            <vignetting model="pa" focal="150" aperture="5" distance="10" k1="0.0138" k2="-0.0983" k3="0.0526"/>
            <vignetting model="pa" focal="150" aperture="5" distance="1000" k1="0.0138" k2="-0.0983" k3="0.0526"/>
            <vignetting model="pa" focal="150" aperture="5.6" distance="10" k1="0.0207" k2="-0.1075" k3="0.0588"/>
            <vignetting model="pa" focal="150" aperture="5.6" distance="1000" k1="0.0207" k2="-0.1075" k3="0.0588"/>
            <vignetting model="pa" focal="150" aperture="32" distance="10" k1="-0.0929" k2="0.1243" k3="-0.0773"/>
            <vignetting model="pa" focal="150" aperture="32" distance="1000" k1="-0.0929" k2="0.1243" k3="-0.0773"/>
            <vignetting model="pa" focal="200" aperture="2.8" distance="10" k1="-0.6524" k2="0.5794" k3="-0.2625"/>
            <vignetting model="pa" focal="200" aperture="2.8" distance="1000" k1="-0.6524" k2="0.5794" k3="-0.2625"/>
            <vignetting model="pa" focal="200" aperture="3.2" distance="10" k1="-0.1400" k2="-0.3498" k3="0.2594"/>
            <vignetting model="pa" focal="200" aperture="3.2" distance="1000" k1="-0.1400" k2="-0.3498" k3="0.2594"/>
            <vignetting model="pa" focal="200" aperture="3.5" distance="10" k1="0.0200" k2="-0.5221" k3="0.3096"/>
            <vignetting model="pa" focal="200" aperture="3.5" distance="1000" k1="0.0200" k2="-0.5221" k3="0.3096"/>
            <vignetting model="pa" focal="200" aperture="4" distance="10" k1="0.0579" k2="-0.2879" k3="0.0876"/>
            <vignetting model="pa" focal="200" aperture="4" distance="1000" k1="0.0579" k2="-0.2879" k3="0.0876"/>
            <vignetting model="pa" focal="200" aperture="4.5" distance="10" k1="-0.0394" k2="0.0754" k3="-0.1206"/>
            <vignetting model="pa" focal="200" aperture="4.5" distance="1000" k1="-0.0394" k2="0.0754" k3="-0.1206"/>
            <vignetting model="pa" focal="200" aperture="5" distance="10" k1="-0.0281" k2="0.0202" k3="-0.0490"/>
            <vignetting model="pa" focal="200" aperture="5" distance="1000" k1="-0.0281" k2="0.0202" k3="-0.0490"/>
            <vignetting model="pa" focal="200" aperture="5.6" distance="10" k1="-0.0011" k2="-0.0841" k3="0.0489"/>
            <vignetting model="pa" focal="200" aperture="5.6" distance="1000" k1="-0.0011" k2="-0.0841" k3="0.0489"/>
            <vignetting model="pa" focal="200" aperture="6.3" distance="10" k1="0.0128" k2="-0.0975" k3="0.0555"/>
            <vignetting model="pa" focal="200" aperture="6.3" distance="1000" k1="0.0128" k2="-0.0975" k3="0.0555"/>
            <vignetting model="pa" focal="200" aperture="7.1" distance="10" k1="0.0074" k2="-0.0845" k3="0.0471"/>
            <vignetting model="pa" focal="200" aperture="7.1" distance="1000" k1="0.0074" k2="-0.0845" k3="0.0471"/>
            <vignetting model="pa" focal="200" aperture="32" distance="10" k1="-0.0520" k2="0.0370" k3="-0.0141"/>
            <vignetting model="pa" focal="200" aperture="32" distance="1000" k1="-0.0520" k2="0.0370" k3="-0.0141"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 70-200mm f/2.8L IS USM + EF 1.4x extender</model>
        <model lang="en">Canon EF 70-200mm f/2.8L IS USM + EF 1.4× ext.</model>
        <model lang="de">Canon EF 70-200mm f/2.8L IS USM + EF 1,4×-Konv.</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <distortion model="poly3" focal="98" k1="-0.012279"/>
            <distortion model="poly3" focal="105" k1="-0.012117"/>
            <distortion model="poly3" focal="110" k1="-0.011447"/>
            <distortion model="poly3" focal="120" k1="-0.010878"/>
            <distortion model="poly3" focal="135" k1="-0.00804"/>
            <distortion model="poly3" focal="145" k1="-0.00886"/>
            <distortion model="poly3" focal="160" k1="-0.00706"/>
            <distortion model="poly3" focal="185" k1="-0.006693"/>
            <distortion model="poly3" focal="220" k1="-0.006125"/>
            <distortion model="poly3" focal="245" k1="-0.004999"/>
            <distortion model="poly3" focal="280" k1="-0.004683"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 70-200mm f/2.8L IS II USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="70" a="0.00109" b="-0.01393" c="0.00917"/>
            <distortion model="ptlens" focal="88" a="0.00034" b="-0.00584" c="0.00243"/>
            <distortion model="ptlens" focal="102" a="0.00261" b="-0.00765" c="0.00252"/>
            <distortion model="ptlens" focal="120" a="0.00426" b="-0.0109" c="0.00708"/>
            <distortion model="ptlens" focal="135" a="0.00091" b="0.00263" c="-0.00627"/>
            <distortion model="ptlens" focal="160" a="-0.00014" b="0.00502" c="-0.00361"/>
            <distortion model="ptlens" focal="200" a="0.00255" b="-0.00438" c="0.01481"/>
            <!--  Taken with a Canon 5D Mark IV  -->
            <tca model="poly3" focal="70" br="0.0000171" vr="1.0000644" bb="-0.0000030" vb="1.0000288"/>
            <tca model="poly3" focal="88" br="0.0000040" vr="1.0000583" bb="-0.0000056" vb="1.0000250"/>
            <tca model="poly3" focal="100" br="-0.0000002" vr="1.0000446" bb="-0.0000080" vb="1.0000233"/>
            <tca model="poly3" focal="120" br="0.0000030" vr="1.0000206" bb="-0.0000136" vb="1.0000219"/>
            <tca model="poly3" focal="135" br="0.0000083" vr="0.9999870" bb="-0.0000138" vb="1.0000133"/>
            <tca model="poly3" focal="200" br="0.0000041" vr="0.9998857" bb="-0.0000289" vb="1.0000341"/>
            <!-- Taken with Canon EOS 5D Mark III -->
            <vignetting model="pa" focal="70" aperture="2.8" distance="1.1" k1="-0.6903" k2="0.4915" k3="-0.4215"/>
            <vignetting model="pa" focal="70" aperture="2.8" distance="2.2" k1="-0.7032" k2="0.5010" k3="-0.3688"/>
            <vignetting model="pa" focal="70" aperture="2.8" distance="6.6" k1="-0.7044" k2="0.5140" k3="-0.3822"/>
            <vignetting model="pa" focal="70" aperture="2.8" distance="1000" k1="-0.6992" k2="0.4928" k3="-0.3584"/>
            <vignetting model="pa" focal="70" aperture="4" distance="1.1" k1="-0.1523" k2="0.0629" k3="-0.3971"/>
            <vignetting model="pa" focal="70" aperture="4" distance="2.2" k1="-0.1805" k2="0.1006" k3="-0.3310"/>
            <vignetting model="pa" focal="70" aperture="4" distance="6.6" k1="-0.1908" k2="0.1437" k3="-0.3707"/>
            <vignetting model="pa" focal="70" aperture="4" distance="1000" k1="-0.1751" k2="0.0818" k3="-0.3094"/>
            <vignetting model="pa" focal="70" aperture="5.6" distance="1.1" k1="-0.3493" k2="0.7191" k3="-0.7897"/>
            <vignetting model="pa" focal="70" aperture="5.6" distance="2.2" k1="-0.3213" k2="0.5350" k3="-0.5394"/>
            <vignetting model="pa" focal="70" aperture="5.6" distance="6.6" k1="-0.3404" k2="0.6019" k3="-0.5957"/>
            <vignetting model="pa" focal="70" aperture="5.6" distance="1000" k1="-0.3198" k2="0.5243" k3="-0.5184"/>
            <vignetting model="pa" focal="70" aperture="8" distance="1.1" k1="-0.3772" k2="0.7410" k3="-0.7060"/>
            <vignetting model="pa" focal="70" aperture="8" distance="2.2" k1="-0.2877" k2="0.3610" k3="-0.3299"/>
            <vignetting model="pa" focal="70" aperture="8" distance="6.6" k1="-0.2978" k2="0.3942" k3="-0.3545"/>
            <vignetting model="pa" focal="70" aperture="8" distance="1000" k1="-0.2864" k2="0.3514" k3="-0.3141"/>
            <vignetting model="pa" focal="70" aperture="11" distance="1.1" k1="-0.3134" k2="0.4626" k3="-0.4231"/>
            <vignetting model="pa" focal="70" aperture="11" distance="2.2" k1="-0.2799" k2="0.3009" k3="-0.2530"/>
            <vignetting model="pa" focal="70" aperture="11" distance="6.6" k1="-0.2883" k2="0.3303" k3="-0.2752"/>
            <vignetting model="pa" focal="70" aperture="11" distance="1000" k1="-0.2804" k2="0.3049" k3="-0.2529"/>
            <vignetting model="pa" focal="70" aperture="16" distance="1.1" k1="-0.2986" k2="0.3882" k3="-0.3436"/>
            <vignetting model="pa" focal="70" aperture="16" distance="2.2" k1="-0.2800" k2="0.2825" k3="-0.2246"/>
            <vignetting model="pa" focal="70" aperture="16" distance="6.6" k1="-0.2911" k2="0.3217" k3="-0.2563"/>
            <vignetting model="pa" focal="70" aperture="16" distance="1000" k1="-0.2819" k2="0.2923" k3="-0.2304"/>
            <vignetting model="pa" focal="70" aperture="22" distance="1.1" k1="-0.2983" k2="0.3751" k3="-0.3249"/>
            <vignetting model="pa" focal="70" aperture="22" distance="2.2" k1="-0.2796" k2="0.2666" k3="-0.2031"/>
            <vignetting model="pa" focal="70" aperture="22" distance="6.6" k1="-0.2941" k2="0.3210" k3="-0.2496"/>
            <vignetting model="pa" focal="70" aperture="22" distance="1000" k1="-0.2864" k2="0.2932" k3="-0.2235"/>
            <vignetting model="pa" focal="70" aperture="32" distance="1.1" k1="-0.3010" k2="0.3744" k3="-0.3195"/>
            <vignetting model="pa" focal="70" aperture="32" distance="2.2" k1="-0.2808" k2="0.2589" k3="-0.1912"/>
            <vignetting model="pa" focal="70" aperture="32" distance="6.6" k1="-0.2999" k2="0.3276" k3="-0.2489"/>
            <vignetting model="pa" focal="70" aperture="32" distance="1000" k1="-0.2917" k2="0.2960" k3="-0.2192"/>
            <vignetting model="pa" focal="100" aperture="2.8" distance="1.1" k1="-0.4127" k2="-0.8186" k3="0.5474"/>
            <vignetting model="pa" focal="100" aperture="2.8" distance="2.2" k1="-0.3584" k2="-0.5409" k3="0.2464"/>
            <vignetting model="pa" focal="100" aperture="2.8" distance="6.6" k1="-0.3842" k2="-0.3887" k3="0.1295"/>
            <vignetting model="pa" focal="100" aperture="2.8" distance="1000" k1="-0.3807" k2="-0.3923" k3="0.1283"/>
            <vignetting model="pa" focal="100" aperture="4" distance="1.1" k1="0.1766" k2="-1.3863" k3="0.6308"/>
            <vignetting model="pa" focal="100" aperture="4" distance="2.2" k1="0.0256" k2="-0.6318" k3="0.0693"/>
            <vignetting model="pa" focal="100" aperture="4" distance="6.6" k1="-0.0139" k2="-0.4667" k3="-0.0410"/>
            <vignetting model="pa" focal="100" aperture="4" distance="1000" k1="-0.0140" k2="-0.4695" k3="-0.0407"/>
            <vignetting model="pa" focal="100" aperture="5.6" distance="1.1" k1="-0.0564" k2="-0.2502" k3="-0.2590"/>
            <vignetting model="pa" focal="100" aperture="5.6" distance="2.2" k1="-0.2328" k2="0.3530" k3="-0.6180"/>
            <vignetting model="pa" focal="100" aperture="5.6" distance="6.6" k1="-0.2563" k2="0.4342" k3="-0.6531"/>
            <vignetting model="pa" focal="100" aperture="5.6" distance="1000" k1="-0.2521" k2="0.4154" k3="-0.6411"/>
            <vignetting model="pa" focal="100" aperture="8" distance="1.1" k1="-0.3159" k2="0.6907" k3="-0.9083"/>
            <vignetting model="pa" focal="100" aperture="8" distance="2.2" k1="-0.3821" k2="0.8224" k3="-0.8810"/>
            <vignetting model="pa" focal="100" aperture="8" distance="6.6" k1="-0.3718" k2="0.7842" k3="-0.8262"/>
            <vignetting model="pa" focal="100" aperture="8" distance="1000" k1="-0.3669" k2="0.7595" k3="-0.8071"/>
            <vignetting model="pa" focal="100" aperture="11" distance="1.1" k1="-0.4569" k2="1.1204" k3="-1.1430"/>
            <vignetting model="pa" focal="100" aperture="11" distance="2.2" k1="-0.4052" k2="0.8352" k3="-0.8031"/>
            <vignetting model="pa" focal="100" aperture="11" distance="6.6" k1="-0.3698" k2="0.7073" k3="-0.6829"/>
            <vignetting model="pa" focal="100" aperture="11" distance="1000" k1="-0.3644" k2="0.6871" k3="-0.6710"/>
            <vignetting model="pa" focal="100" aperture="16" distance="1.1" k1="-0.4712" k2="1.1108" k3="-1.0630"/>
            <vignetting model="pa" focal="100" aperture="16" distance="2.2" k1="-0.3781" k2="0.6930" k3="-0.6437"/>
            <vignetting model="pa" focal="100" aperture="16" distance="6.6" k1="-0.3465" k2="0.5848" k3="-0.5439"/>
            <vignetting model="pa" focal="100" aperture="16" distance="1000" k1="-0.3417" k2="0.5641" k3="-0.5299"/>
            <vignetting model="pa" focal="100" aperture="22" distance="1.1" k1="-0.4159" k2="0.8655" k3="-0.8143"/>
            <vignetting model="pa" focal="100" aperture="22" distance="2.2" k1="-0.3567" k2="0.5901" k3="-0.5326"/>
            <vignetting model="pa" focal="100" aperture="22" distance="6.6" k1="-0.3424" k2="0.5596" k3="-0.5155"/>
            <vignetting model="pa" focal="100" aperture="22" distance="1000" k1="-0.3323" k2="0.5078" k3="-0.4635"/>
            <vignetting model="pa" focal="100" aperture="32" distance="1.1" k1="-0.3706" k2="0.6724" k3="-0.6293"/>
            <vignetting model="pa" focal="100" aperture="32" distance="2.2" k1="-0.3552" k2="0.5638" k3="-0.4961"/>
            <vignetting model="pa" focal="100" aperture="32" distance="6.6" k1="-0.3401" k2="0.5322" k3="-0.4787"/>
            <vignetting model="pa" focal="100" aperture="32" distance="1000" k1="-0.3321" k2="0.4860" k3="-0.4315"/>
            <vignetting model="pa" focal="135" aperture="2.8" distance="1.1" k1="-0.9114" k2="0.1148" k3="0.1331"/>
            <vignetting model="pa" focal="135" aperture="2.8" distance="2.2" k1="-0.5217" k2="-0.6324" k3="0.5138"/>
            <vignetting model="pa" focal="135" aperture="2.8" distance="6.6" k1="-0.5075" k2="-0.6224" k3="0.4935"/>
            <vignetting model="pa" focal="135" aperture="2.8" distance="1000" k1="-0.4616" k2="-0.7000" k3="0.5298"/>
            <vignetting model="pa" focal="135" aperture="4" distance="1.1" k1="0.0836" k2="-1.4986" k3="0.8879"/>
            <vignetting model="pa" focal="135" aperture="4" distance="2.2" k1="0.1548" k2="-1.3879" k3="0.7263"/>
            <vignetting model="pa" focal="135" aperture="4" distance="6.6" k1="0.1360" k2="-1.2941" k3="0.6588"/>
            <vignetting model="pa" focal="135" aperture="4" distance="1000" k1="0.1264" k2="-1.2471" k3="0.6209"/>
            <vignetting model="pa" focal="135" aperture="5.6" distance="1.1" k1="0.0393" k2="-0.6959" k3="0.1619"/>
            <vignetting model="pa" focal="135" aperture="5.6" distance="2.2" k1="-0.0399" k2="-0.3418" k3="-0.0873"/>
            <vignetting model="pa" focal="135" aperture="5.6" distance="6.6" k1="-0.0671" k2="-0.2549" k3="-0.1339"/>
            <vignetting model="pa" focal="135" aperture="5.6" distance="1000" k1="-0.0846" k2="-0.1894" k3="-0.1807"/>
            <vignetting model="pa" focal="135" aperture="8" distance="1.1" k1="-0.2401" k2="0.3734" k3="-0.5770"/>
            <vignetting model="pa" focal="135" aperture="8" distance="2.2" k1="-0.2865" k2="0.5155" k3="-0.6318"/>
            <vignetting model="pa" focal="135" aperture="8" distance="6.6" k1="-0.2847" k2="0.4939" k3="-0.5961"/>
            <vignetting model="pa" focal="135" aperture="8" distance="1000" k1="-0.2942" k2="0.5236" k3="-0.6136"/>
            <vignetting model="pa" focal="135" aperture="11" distance="1.1" k1="-0.3775" k2="0.7654" k3="-0.7480"/>
            <vignetting model="pa" focal="135" aperture="11" distance="2.2" k1="-0.3560" k2="0.6547" k3="-0.6132"/>
            <vignetting model="pa" focal="135" aperture="11" distance="6.6" k1="-0.3248" k2="0.5429" k3="-0.5166"/>
            <vignetting model="pa" focal="135" aperture="11" distance="1000" k1="-0.3200" k2="0.5307" k3="-0.5093"/>
            <vignetting model="pa" focal="135" aperture="16" distance="1.1" k1="-0.3505" k2="0.5924" k3="-0.5254"/>
            <vignetting model="pa" focal="135" aperture="16" distance="2.2" k1="-0.3037" k2="0.4038" k3="-0.3422"/>
            <vignetting model="pa" focal="135" aperture="16" distance="6.6" k1="-0.2771" k2="0.3288" k3="-0.2919"/>
            <vignetting model="pa" focal="135" aperture="16" distance="1000" k1="-0.2794" k2="0.3395" k3="-0.3011"/>
            <vignetting model="pa" focal="135" aperture="22" distance="1.1" k1="-0.2934" k2="0.3457" k3="-0.2829"/>
            <vignetting model="pa" focal="135" aperture="22" distance="2.2" k1="-0.2917" k2="0.3279" k3="-0.2543"/>
            <vignetting model="pa" focal="135" aperture="22" distance="6.6" k1="-0.2686" k2="0.2746" k3="-0.2265"/>
            <vignetting model="pa" focal="135" aperture="22" distance="1000" k1="-0.2745" k2="0.2974" k3="-0.2460"/>
            <vignetting model="pa" focal="135" aperture="32" distance="1.1" k1="-0.2895" k2="0.3111" k3="-0.2395"/>
            <vignetting model="pa" focal="135" aperture="32" distance="2.2" k1="-0.2948" k2="0.3140" k3="-0.2270"/>
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            <vignetting model="pa" focal="200" aperture="2.8" distance="2.2" k1="-1.2689" k2="1.1306" k3="-0.4702"/>
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            <vignetting model="pa" focal="200" aperture="2.8" distance="1000" k1="-1.3763" k2="1.3539" k3="-0.5966"/>
            <vignetting model="pa" focal="200" aperture="4" distance="1.1" k1="-0.4700" k2="-0.4018" k3="0.3900"/>
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            <vignetting model="pa" focal="200" aperture="4" distance="6.6" k1="-0.1684" k2="-0.9831" k3="0.6955"/>
            <vignetting model="pa" focal="200" aperture="4" distance="1000" k1="-0.1467" k2="-1.0150" k3="0.7087"/>
            <vignetting model="pa" focal="200" aperture="5.6" distance="1.1" k1="0.0799" k2="-1.0113" k3="0.5261"/>
            <vignetting model="pa" focal="200" aperture="5.6" distance="2.2" k1="0.0745" k2="-0.8751" k3="0.4136"/>
            <vignetting model="pa" focal="200" aperture="5.6" distance="6.6" k1="0.0578" k2="-0.8091" k3="0.3684"/>
            <vignetting model="pa" focal="200" aperture="5.6" distance="1000" k1="0.0523" k2="-0.7662" k3="0.3361"/>
            <vignetting model="pa" focal="200" aperture="8" distance="1.1" k1="-0.1596" k2="0.0923" k3="-0.2576"/>
            <vignetting model="pa" focal="200" aperture="8" distance="2.2" k1="-0.1845" k2="0.1739" k3="-0.2892"/>
            <vignetting model="pa" focal="200" aperture="8" distance="6.6" k1="-0.1901" k2="0.1756" k3="-0.2789"/>
            <vignetting model="pa" focal="200" aperture="8" distance="1000" k1="-0.1936" k2="0.1920" k3="-0.2842"/>
            <vignetting model="pa" focal="200" aperture="11" distance="1.1" k1="-0.2535" k2="0.3075" k3="-0.2632"/>
            <vignetting model="pa" focal="200" aperture="11" distance="2.2" k1="-0.2348" k2="0.2272" k3="-0.1771"/>
            <vignetting model="pa" focal="200" aperture="11" distance="6.6" k1="-0.2227" k2="0.1756" k3="-0.1347"/>
            <vignetting model="pa" focal="200" aperture="11" distance="1000" k1="-0.2164" k2="0.1547" k3="-0.1135"/>
            <vignetting model="pa" focal="200" aperture="16" distance="1.1" k1="-0.1965" k2="0.0573" k3="-0.0079"/>
            <vignetting model="pa" focal="200" aperture="16" distance="2.2" k1="-0.2088" k2="0.0847" k3="-0.0200"/>
            <vignetting model="pa" focal="200" aperture="16" distance="6.6" k1="-0.2046" k2="0.0693" k3="-0.0136"/>
            <vignetting model="pa" focal="200" aperture="16" distance="1000" k1="-0.2059" k2="0.0741" k3="-0.0143"/>
            <vignetting model="pa" focal="200" aperture="22" distance="1.1" k1="-0.2089" k2="0.0698" k3="-0.0029"/>
            <vignetting model="pa" focal="200" aperture="22" distance="2.2" k1="-0.2144" k2="0.0843" k3="-0.0087"/>
            <vignetting model="pa" focal="200" aperture="22" distance="6.6" k1="-0.2084" k2="0.0650" k3="-0.0001"/>
            <vignetting model="pa" focal="200" aperture="22" distance="1000" k1="-0.2118" k2="0.0734" k3="-0.0019"/>
            <vignetting model="pa" focal="200" aperture="32" distance="1.1" k1="-0.2151" k2="0.0762" k3="-0.0006"/>
            <vignetting model="pa" focal="200" aperture="32" distance="2.2" k1="-0.2250" k2="0.1005" k3="-0.0129"/>
            <vignetting model="pa" focal="200" aperture="32" distance="6.6" k1="-0.2227" k2="0.0901" k3="-0.0095"/>
            <vignetting model="pa" focal="200" aperture="32" distance="1000" k1="-0.2221" k2="0.0892" k3="-0.0062"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 70-200mm f/2.8L IS II USM + EF 2x extender III</model>
        <model lang="en">Canon EF 70-200mm f/2.8L IS II USM + EF 2× III ext.</model>
        <model lang="de">Canon EF 70-200mm f/2.8L IS II USM + EF-2×-III-Konv.</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <!-- Taken with Canon 5D Mark III -->
            <distortion model="poly3" focal="140" k1="-0.00468"/>
            <distortion model="poly3" focal="178" k1="-0.00355"/>
            <distortion model="poly3" focal="238" k1="-0.00237"/>
            <distortion model="poly3" focal="400" k1="-0.00093"/>
            <tca model="poly3" focal="140" vr="1.0000739" vb="1.0000602"/>
            <tca model="poly3" focal="178" vr="1.0000314" vb="1.0000274"/>
            <tca model="poly3" focal="238" vr="0.9999896" vb="1.0000007"/>
            <tca model="poly3" focal="400" vr="0.9999295" vb="1.0000002"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 70-200mm f/2.8L IS USM + EF 2x II extender</model>
        <model lang="en">Canon EF 70-200mm f/2.8L IS USM + EF 2× II ext.</model>
        <model lang="de">Canon EF 70-200mm f/2.8L IS USM + EF-2×-II-Konv.</model>
        <mount>Canon EF</mount>
        <cropfactor>1.62</cropfactor>
        <calibration>
            <!-- Taken with Canon EOS 7D -->
            <distortion model="poly3" focal="140" k1="-0.0027"/>
            <distortion model="poly3" focal="190" k1="-0.00124"/>
            <distortion model="poly3" focal="235" k1="-0.00015"/>
            <distortion model="poly3" focal="255" k1="-0.00047"/>
            <distortion model="poly3" focal="400" k1="0.00062"/>
            <tca model="poly3" focal="140" vr="0.9999518" vb="1.0000085"/>
            <tca model="poly3" focal="180" vr="0.9999436" vb="1.0000419"/>
            <tca model="poly3" focal="210" vr="0.9999476" vb="1.0000140"/>
            <tca model="poly3" focal="225" vr="0.9999764" vb="0.9999922"/>
            <tca model="poly3" focal="265" vr="0.9999783" vb="0.9999744"/>
            <tca model="poly3" focal="280" vr="0.9999688" vb="0.9999704"/>
            <tca model="poly3" focal="375" vr="0.9998042" vb="0.9999432"/>
            <tca model="poly3" focal="400" vr="0.9999603" vb="0.9999963"/>
            <vignetting model="pa" focal="140" aperture="5.6" distance="10" k1="-0.0783" k2="-0.0282" k3="0.0157"/>
            <vignetting model="pa" focal="140" aperture="5.6" distance="1000" k1="-0.0783" k2="-0.0282" k3="0.0157"/>
            <vignetting model="pa" focal="140" aperture="6.3" distance="10" k1="0.0051" k2="-0.1103" k3="0.0752"/>
            <vignetting model="pa" focal="140" aperture="6.3" distance="1000" k1="0.0051" k2="-0.1103" k3="0.0752"/>
            <vignetting model="pa" focal="140" aperture="7.1" distance="10" k1="-0.0068" k2="-0.0777" k3="0.0483"/>
            <vignetting model="pa" focal="140" aperture="7.1" distance="1000" k1="-0.0068" k2="-0.0777" k3="0.0483"/>
            <vignetting model="pa" focal="140" aperture="8" distance="10" k1="-0.0067" k2="-0.0833" k3="0.0559"/>
            <vignetting model="pa" focal="140" aperture="8" distance="1000" k1="-0.0067" k2="-0.0833" k3="0.0559"/>
            <vignetting model="pa" focal="140" aperture="9" distance="10" k1="-0.0062" k2="-0.0692" k3="0.0433"/>
            <vignetting model="pa" focal="140" aperture="9" distance="1000" k1="-0.0062" k2="-0.0692" k3="0.0433"/>
            <vignetting model="pa" focal="140" aperture="11" distance="10" k1="-0.0006" k2="-0.1214" k3="0.0871"/>
            <vignetting model="pa" focal="140" aperture="11" distance="1000" k1="-0.0006" k2="-0.1214" k3="0.0871"/>
            <vignetting model="pa" focal="140" aperture="64" distance="10" k1="-0.0497" k2="-0.0086" k3="0.0104"/>
            <vignetting model="pa" focal="140" aperture="64" distance="1000" k1="-0.0497" k2="-0.0086" k3="0.0104"/>
            <vignetting model="pa" focal="160" aperture="5.6" distance="10" k1="-0.0720" k2="0.0103" k3="-0.0128"/>
            <vignetting model="pa" focal="160" aperture="5.6" distance="1000" k1="-0.0720" k2="0.0103" k3="-0.0128"/>
            <vignetting model="pa" focal="160" aperture="6.3" distance="10" k1="-0.0034" k2="-0.0660" k3="0.0393"/>
            <vignetting model="pa" focal="160" aperture="6.3" distance="1000" k1="-0.0034" k2="-0.0660" k3="0.0393"/>
            <vignetting model="pa" focal="160" aperture="7.1" distance="10" k1="-0.0030" k2="-0.0680" k3="0.0411"/>
            <vignetting model="pa" focal="160" aperture="7.1" distance="1000" k1="-0.0030" k2="-0.0680" k3="0.0411"/>
            <vignetting model="pa" focal="160" aperture="8" distance="10" k1="-0.0047" k2="-0.0666" k3="0.0418"/>
            <vignetting model="pa" focal="160" aperture="8" distance="1000" k1="-0.0047" k2="-0.0666" k3="0.0418"/>
            <vignetting model="pa" focal="160" aperture="64" distance="10" k1="-0.0967" k2="0.0979" k3="-0.0503"/>
            <vignetting model="pa" focal="160" aperture="64" distance="1000" k1="-0.0967" k2="0.0979" k3="-0.0503"/>
            <vignetting model="pa" focal="165" aperture="5.6" distance="10" k1="-0.0382" k2="-0.0735" k3="0.0289"/>
            <vignetting model="pa" focal="165" aperture="5.6" distance="1000" k1="-0.0382" k2="-0.0735" k3="0.0289"/>
            <vignetting model="pa" focal="165" aperture="6.3" distance="10" k1="-0.0049" k2="-0.0794" k3="0.0425"/>
            <vignetting model="pa" focal="165" aperture="6.3" distance="1000" k1="-0.0049" k2="-0.0794" k3="0.0425"/>
            <vignetting model="pa" focal="165" aperture="7.1" distance="10" k1="-0.0231" k2="-0.0500" k3="0.0288"/>
            <vignetting model="pa" focal="165" aperture="7.1" distance="1000" k1="-0.0231" k2="-0.0500" k3="0.0288"/>
            <vignetting model="pa" focal="165" aperture="8" distance="10" k1="-0.0211" k2="-0.0529" k3="0.0301"/>
            <vignetting model="pa" focal="165" aperture="8" distance="1000" k1="-0.0211" k2="-0.0529" k3="0.0301"/>
            <vignetting model="pa" focal="165" aperture="11" distance="10" k1="-0.0112" k2="-0.0849" k3="0.0542"/>
            <vignetting model="pa" focal="165" aperture="11" distance="1000" k1="-0.0112" k2="-0.0849" k3="0.0542"/>
            <vignetting model="pa" focal="165" aperture="64" distance="10" k1="-0.0672" k2="0.0622" k3="-0.0322"/>
            <vignetting model="pa" focal="165" aperture="64" distance="1000" k1="-0.0672" k2="0.0622" k3="-0.0322"/>
            <vignetting model="pa" focal="190" aperture="5.6" distance="10" k1="-0.0132" k2="-0.0964" k3="0.0375"/>
            <vignetting model="pa" focal="190" aperture="5.6" distance="1000" k1="-0.0132" k2="-0.0964" k3="0.0375"/>
            <vignetting model="pa" focal="190" aperture="6.3" distance="10" k1="0.0160" k2="-0.1185" k3="0.0671"/>
            <vignetting model="pa" focal="190" aperture="6.3" distance="1000" k1="0.0160" k2="-0.1185" k3="0.0671"/>
            <vignetting model="pa" focal="190" aperture="7.1" distance="10" k1="0.0141" k2="-0.1170" k3="0.0679"/>
            <vignetting model="pa" focal="190" aperture="7.1" distance="1000" k1="0.0141" k2="-0.1170" k3="0.0679"/>
            <vignetting model="pa" focal="190" aperture="8" distance="10" k1="-0.0013" k2="-0.0870" k3="0.0468"/>
            <vignetting model="pa" focal="190" aperture="8" distance="1000" k1="-0.0013" k2="-0.0870" k3="0.0468"/>
            <vignetting model="pa" focal="190" aperture="11" distance="10" k1="-0.0183" k2="-0.0594" k3="0.0346"/>
            <vignetting model="pa" focal="190" aperture="11" distance="1000" k1="-0.0183" k2="-0.0594" k3="0.0346"/>
            <vignetting model="pa" focal="190" aperture="64" distance="10" k1="-0.0223" k2="-0.0383" k3="0.0239"/>
            <vignetting model="pa" focal="190" aperture="64" distance="1000" k1="-0.0223" k2="-0.0383" k3="0.0239"/>
            <vignetting model="pa" focal="200" aperture="5.6" distance="10" k1="-0.0550" k2="0.0007" k3="-0.0101"/>
            <vignetting model="pa" focal="200" aperture="5.6" distance="1000" k1="-0.0550" k2="0.0007" k3="-0.0101"/>
            <vignetting model="pa" focal="200" aperture="6.3" distance="10" k1="-0.0001" k2="-0.0676" k3="0.0397"/>
            <vignetting model="pa" focal="200" aperture="6.3" distance="1000" k1="-0.0001" k2="-0.0676" k3="0.0397"/>
            <vignetting model="pa" focal="200" aperture="7.1" distance="10" k1="0.0034" k2="-0.0804" k3="0.0498"/>
            <vignetting model="pa" focal="200" aperture="7.1" distance="1000" k1="0.0034" k2="-0.0804" k3="0.0498"/>
            <vignetting model="pa" focal="200" aperture="8" distance="10" k1="-0.0019" k2="-0.0688" k3="0.0423"/>
            <vignetting model="pa" focal="200" aperture="8" distance="1000" k1="-0.0019" k2="-0.0688" k3="0.0423"/>
            <vignetting model="pa" focal="200" aperture="64" distance="10" k1="-0.0844" k2="0.0909" k3="-0.0443"/>
            <vignetting model="pa" focal="200" aperture="64" distance="1000" k1="-0.0844" k2="0.0909" k3="-0.0443"/>
            <vignetting model="pa" focal="265" aperture="5.6" distance="10" k1="-0.0089" k2="-0.0905" k3="0.0390"/>
            <vignetting model="pa" focal="265" aperture="5.6" distance="1000" k1="-0.0089" k2="-0.0905" k3="0.0390"/>
            <vignetting model="pa" focal="265" aperture="6.3" distance="10" k1="0.0207" k2="-0.1311" k3="0.0823"/>
            <vignetting model="pa" focal="265" aperture="6.3" distance="1000" k1="0.0207" k2="-0.1311" k3="0.0823"/>
            <vignetting model="pa" focal="265" aperture="7.1" distance="10" k1="0.0152" k2="-0.1170" k3="0.0737"/>
            <vignetting model="pa" focal="265" aperture="7.1" distance="1000" k1="0.0152" k2="-0.1170" k3="0.0737"/>
            <vignetting model="pa" focal="265" aperture="8" distance="10" k1="0.0151" k2="-0.1242" k3="0.0816"/>
            <vignetting model="pa" focal="265" aperture="8" distance="1000" k1="0.0151" k2="-0.1242" k3="0.0816"/>
            <vignetting model="pa" focal="265" aperture="11" distance="10" k1="-0.0025" k2="-0.0816" k3="0.0459"/>
            <vignetting model="pa" focal="265" aperture="11" distance="1000" k1="-0.0025" k2="-0.0816" k3="0.0459"/>
            <vignetting model="pa" focal="265" aperture="64" distance="10" k1="-0.0220" k2="-0.0406" k3="0.0311"/>
            <vignetting model="pa" focal="265" aperture="64" distance="1000" k1="-0.0220" k2="-0.0406" k3="0.0311"/>
            <vignetting model="pa" focal="400" aperture="5.6" distance="10" k1="-0.1755" k2="0.0050" k3="0.0208"/>
            <vignetting model="pa" focal="400" aperture="5.6" distance="1000" k1="-0.1755" k2="0.0050" k3="0.0208"/>
            <vignetting model="pa" focal="400" aperture="6.3" distance="10" k1="0.0355" k2="-0.1900" k3="0.0915"/>
            <vignetting model="pa" focal="400" aperture="6.3" distance="1000" k1="0.0355" k2="-0.1900" k3="0.0915"/>
            <vignetting model="pa" focal="400" aperture="7.1" distance="10" k1="0.0050" k2="-0.0797" k3="0.0431"/>
            <vignetting model="pa" focal="400" aperture="7.1" distance="1000" k1="0.0050" k2="-0.0797" k3="0.0431"/>
            <vignetting model="pa" focal="400" aperture="8" distance="10" k1="0.0215" k2="-0.1075" k3="0.0624"/>
            <vignetting model="pa" focal="400" aperture="8" distance="1000" k1="0.0215" k2="-0.1075" k3="0.0624"/>
            <vignetting model="pa" focal="400" aperture="11" distance="10" k1="0.0196" k2="-0.1070" k3="0.0566"/>
            <vignetting model="pa" focal="400" aperture="11" distance="1000" k1="0.0196" k2="-0.1070" k3="0.0566"/>
            <vignetting model="pa" focal="400" aperture="64" distance="10" k1="-0.0714" k2="0.0582" k3="-0.0268"/>
            <vignetting model="pa" focal="400" aperture="64" distance="1000" k1="-0.0714" k2="0.0582" k3="-0.0268"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 70-200mm f/4L USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <distortion model="poly3" focal="70" k1="-0.006408"/>
            <distortion model="poly3" focal="75" k1="-0.005162"/>
            <distortion model="poly3" focal="81" k1="-0.003271"/>
            <distortion model="poly3" focal="94" k1="0.000642"/>
            <distortion model="poly3" focal="100" k1="0.002069"/>
            <distortion model="poly3" focal="109" k1="0.003375"/>
            <distortion model="poly3" focal="122" k1="0.004125"/>
            <distortion model="poly3" focal="135" k1="0.005898"/>
            <distortion model="poly3" focal="145" k1="0.006262"/>
            <distortion model="poly3" focal="159" k1="0.007369"/>
            <distortion model="poly3" focal="168" k1="0.008619"/>
            <distortion model="poly3" focal="184" k1="0.008464"/>
            <distortion model="poly3" focal="200" k1="0.008816"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 70-200mm f/4L USM + EF 1.4x extender</model>
        <model lang="en">Canon EF 70-200mm f/4L USM + EF 1.4× ext.</model>
        <model lang="de">Canon EF 70-200mm f/4L USM + EF 1,4×-Konv.</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <distortion model="poly3" focal="98" k1="-0.011699"/>
            <distortion model="poly3" focal="109" k1="-0.010575"/>
            <distortion model="poly3" focal="117" k1="-0.008594"/>
            <distortion model="poly3" focal="127" k1="-0.008167"/>
            <distortion model="poly3" focal="140" k1="-0.007141"/>
            <distortion model="poly3" focal="158" k1="-0.005869"/>
            <distortion model="poly3" focal="176" k1="-0.00486"/>
            <distortion model="poly3" focal="189" k1="-0.005166"/>
            <distortion model="poly3" focal="203" k1="-0.004933"/>
            <distortion model="poly3" focal="222" k1="-0.004657"/>
            <distortion model="poly3" focal="235" k1="-0.004297"/>
            <distortion model="poly3" focal="280" k1="-0.002653"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 70-200mm f/4L IS USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="70" a="-0.012" b="0.037" c="-0.046"/>
            <distortion model="ptlens" focal="97" a="0.008" b="-0.025" c="0.028"/>
            <distortion model="ptlens" focal="127" a="0.001" b="0.004" c="-0.001"/>
            <distortion model="ptlens" focal="200" a="-0.005" b="0.032" c="-0.031"/>
            <!-- Taken with Canon 5D Mark III -->
            <tca model="poly3" focal="70" br="0.0000002" vr="1.0001779" bb="-0.0000138" vb="1.0001003"/>
            <tca model="poly3" focal="100" br="-0.0000004" vr="1.0000236" bb="-0.0000081" vb="1.0001239"/>
            <tca model="poly3" focal="135" br="0.0000079" vr="0.9999147" bb="-0.0000141" vb="1.0001189"/>
            <tca model="poly3" focal="165" br="0.0000133" vr="0.9998324" bb="-0.0000299" vb="1.0000915"/>
            <tca model="poly3" focal="200" br="0.0000097" vr="0.9998125" bb="-0.0000270" vb="1.0000112"/>
            <vignetting model="pa" focal="70" aperture="4" distance="1.2" k1="-0.5200" k2="0.1223" k3="-0.0882"/>
            <vignetting model="pa" focal="70" aperture="4" distance="2.4" k1="-0.5088" k2="0.0999" k3="-0.0725"/>
            <vignetting model="pa" focal="70" aperture="4" distance="7.2" k1="-0.5123" k2="0.1057" k3="-0.0755"/>
            <vignetting model="pa" focal="70" aperture="4" distance="1000" k1="-0.5228" k2="0.1280" k3="-0.0927"/>
            <vignetting model="pa" focal="70" aperture="5.6" distance="1.2" k1="-0.1859" k2="0.0559" k3="-0.1686"/>
            <vignetting model="pa" focal="70" aperture="5.6" distance="2.4" k1="-0.1773" k2="0.0381" k3="-0.1561"/>
            <vignetting model="pa" focal="70" aperture="5.6" distance="7.2" k1="-0.1891" k2="0.0626" k3="-0.1714"/>
            <vignetting model="pa" focal="70" aperture="5.6" distance="1000" k1="-0.1839" k2="0.0595" k3="-0.1739"/>
            <vignetting model="pa" focal="70" aperture="8" distance="1.2" k1="-0.2517" k2="0.1818" k3="-0.1150"/>
            <vignetting model="pa" focal="70" aperture="8" distance="2.4" k1="-0.2462" k2="0.1726" k3="-0.1067"/>
            <vignetting model="pa" focal="70" aperture="8" distance="7.2" k1="-0.2393" k2="0.1445" k3="-0.0808"/>
            <vignetting model="pa" focal="70" aperture="8" distance="1000" k1="-0.2390" k2="0.1525" k3="-0.0951"/>
            <vignetting model="pa" focal="70" aperture="11" distance="1.2" k1="-0.2019" k2="-0.0232" k3="0.0783"/>
            <vignetting model="pa" focal="70" aperture="11" distance="2.4" k1="-0.1959" k2="-0.0342" k3="0.0885"/>
            <vignetting model="pa" focal="70" aperture="11" distance="7.2" k1="-0.1947" k2="-0.0403" k3="0.0939"/>
            <vignetting model="pa" focal="70" aperture="11" distance="1000" k1="-0.1873" k2="-0.0534" k3="0.0967"/>
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            <vignetting model="pa" focal="70" aperture="16" distance="2.4" k1="-0.1983" k2="-0.0311" k3="0.0873"/>
            <vignetting model="pa" focal="70" aperture="16" distance="7.2" k1="-0.1973" k2="-0.0362" k3="0.0919"/>
            <vignetting model="pa" focal="70" aperture="16" distance="1000" k1="-0.1876" k2="-0.0553" k3="0.0986"/>
            <vignetting model="pa" focal="70" aperture="22" distance="1.2" k1="-0.2052" k2="-0.0230" k3="0.0809"/>
            <vignetting model="pa" focal="70" aperture="22" distance="2.4" k1="-0.2016" k2="-0.0263" k3="0.0855"/>
            <vignetting model="pa" focal="70" aperture="22" distance="7.2" k1="-0.2019" k2="-0.0269" k3="0.0864"/>
            <vignetting model="pa" focal="70" aperture="22" distance="1000" k1="-0.1913" k2="-0.0489" k3="0.0954"/>
            <vignetting model="pa" focal="70" aperture="32" distance="1.2" k1="-0.2129" k2="-0.0085" k3="0.0730"/>
            <vignetting model="pa" focal="70" aperture="32" distance="2.4" k1="-0.2077" k2="-0.0147" k3="0.0794"/>
            <vignetting model="pa" focal="70" aperture="32" distance="7.2" k1="-0.2110" k2="-0.0064" k3="0.0733"/>
            <vignetting model="pa" focal="70" aperture="32" distance="1000" k1="-0.1961" k2="-0.0393" k3="0.0896"/>
            <vignetting model="pa" focal="100" aperture="4" distance="1.2" k1="-0.2161" k2="-0.9770" k3="0.5708"/>
            <vignetting model="pa" focal="100" aperture="4" distance="2.4" k1="-0.2959" k2="-0.2855" k3="0.0499"/>
            <vignetting model="pa" focal="100" aperture="4" distance="7.2" k1="-0.3594" k2="-0.0599" k3="-0.0874"/>
            <vignetting model="pa" focal="100" aperture="4" distance="1000" k1="-0.3967" k2="0.0764" k3="-0.1680"/>
            <vignetting model="pa" focal="100" aperture="5.6" distance="1.2" k1="0.0697" k2="-0.8185" k3="0.2449"/>
            <vignetting model="pa" focal="100" aperture="5.6" distance="2.4" k1="-0.1880" k2="0.1425" k3="-0.3280"/>
            <vignetting model="pa" focal="100" aperture="5.6" distance="7.2" k1="-0.2320" k2="0.2708" k3="-0.3750"/>
            <vignetting model="pa" focal="100" aperture="5.6" distance="1000" k1="-0.2572" k2="0.3403" k3="-0.3979"/>
            <vignetting model="pa" focal="100" aperture="8" distance="1.2" k1="-0.2376" k2="0.3575" k3="-0.5703"/>
            <vignetting model="pa" focal="100" aperture="8" distance="2.4" k1="-0.3169" k2="0.4956" k3="-0.4426"/>
            <vignetting model="pa" focal="100" aperture="8" distance="7.2" k1="-0.2981" k2="0.3958" k3="-0.3251"/>
            <vignetting model="pa" focal="100" aperture="8" distance="1000" k1="-0.2702" k2="0.2787" k3="-0.2090"/>
            <vignetting model="pa" focal="100" aperture="11" distance="1.2" k1="-0.3996" k2="0.8377" k3="-0.8039"/>
            <vignetting model="pa" focal="100" aperture="11" distance="2.4" k1="-0.2305" k2="0.1100" k3="-0.0437"/>
            <vignetting model="pa" focal="100" aperture="11" distance="7.2" k1="-0.2041" k2="0.0018" k3="0.0561"/>
            <vignetting model="pa" focal="100" aperture="11" distance="1000" k1="-0.1907" k2="-0.0409" k3="0.0881"/>
            <vignetting model="pa" focal="100" aperture="16" distance="1.2" k1="-0.3768" k2="0.6594" k3="-0.5536"/>
            <vignetting model="pa" focal="100" aperture="16" distance="2.4" k1="-0.1958" k2="-0.0341" k3="0.0890"/>
            <vignetting model="pa" focal="100" aperture="16" distance="7.2" k1="-0.1956" k2="-0.0369" k3="0.0920"/>
            <vignetting model="pa" focal="100" aperture="16" distance="1000" k1="-0.1880" k2="-0.0529" k3="0.0985"/>
            <vignetting model="pa" focal="100" aperture="22" distance="1.2" k1="-0.2728" k2="0.2260" k3="-0.1400"/>
            <vignetting model="pa" focal="100" aperture="22" distance="2.4" k1="-0.1993" k2="-0.0315" k3="0.0897"/>
            <vignetting model="pa" focal="100" aperture="22" distance="7.2" k1="-0.1989" k2="-0.0327" k3="0.0909"/>
            <vignetting model="pa" focal="100" aperture="22" distance="1000" k1="-0.1897" k2="-0.0531" k3="0.1004"/>
            <vignetting model="pa" focal="100" aperture="32" distance="1.2" k1="-0.2296" k2="0.0458" k3="0.0264"/>
            <vignetting model="pa" focal="100" aperture="32" distance="2.4" k1="-0.2059" k2="-0.0190" k3="0.0830"/>
            <vignetting model="pa" focal="100" aperture="32" distance="7.2" k1="-0.2061" k2="-0.0198" k3="0.0842"/>
            <vignetting model="pa" focal="100" aperture="32" distance="1000" k1="-0.1960" k2="-0.0421" k3="0.0946"/>
            <vignetting model="pa" focal="135" aperture="4" distance="1.2" k1="-0.7218" k2="-0.3407" k3="0.4060"/>
            <vignetting model="pa" focal="135" aperture="4" distance="2.4" k1="-0.4301" k2="-0.6250" k3="0.4812"/>
            <vignetting model="pa" focal="135" aperture="4" distance="7.2" k1="-0.2731" k2="-0.8010" k3="0.5210"/>
            <vignetting model="pa" focal="135" aperture="4" distance="1000" k1="-0.2639" k2="-0.7526" k3="0.4748"/>
            <vignetting model="pa" focal="135" aperture="5.6" distance="1.2" k1="0.1366" k2="-1.6201" k3="0.9500"/>
            <vignetting model="pa" focal="135" aperture="5.6" distance="2.4" k1="0.0676" k2="-0.9085" k3="0.4165"/>
            <vignetting model="pa" focal="135" aperture="5.6" distance="7.2" k1="0.0087" k2="-0.6074" k3="0.1965"/>
            <vignetting model="pa" focal="135" aperture="5.6" distance="1000" k1="-0.0265" k2="-0.4691" k3="0.1092"/>
            <vignetting model="pa" focal="135" aperture="8" distance="1.2" k1="0.0379" k2="-0.6698" k3="0.1309"/>
            <vignetting model="pa" focal="135" aperture="8" distance="2.4" k1="-0.2227" k2="0.2627" k3="-0.3791"/>
            <vignetting model="pa" focal="135" aperture="8" distance="7.2" k1="-0.2602" k2="0.3627" k3="-0.4059"/>
            <vignetting model="pa" focal="135" aperture="8" distance="1000" k1="-0.2729" k2="0.3859" k3="-0.3989"/>
            <vignetting model="pa" focal="135" aperture="11" distance="1.2" k1="-0.2595" k2="0.4383" k3="-0.6210"/>
            <vignetting model="pa" focal="135" aperture="11" distance="2.4" k1="-0.2937" k2="0.3982" k3="-0.3308"/>
            <vignetting model="pa" focal="135" aperture="11" distance="7.2" k1="-0.2662" k2="0.2701" k3="-0.1967"/>
            <vignetting model="pa" focal="135" aperture="11" distance="1000" k1="-0.2353" k2="0.1478" k3="-0.0838"/>
            <vignetting model="pa" focal="135" aperture="16" distance="1.2" k1="-0.3953" k2="0.8210" k3="-0.7791"/>
            <vignetting model="pa" focal="135" aperture="16" distance="2.4" k1="-0.2066" k2="0.0250" k3="0.0354"/>
            <vignetting model="pa" focal="135" aperture="16" distance="7.2" k1="-0.1909" k2="-0.0354" k3="0.0890"/>
            <vignetting model="pa" focal="135" aperture="16" distance="1000" k1="-0.1841" k2="-0.0515" k3="0.0965"/>
            <vignetting model="pa" focal="135" aperture="22" distance="1.2" k1="-0.3597" k2="0.5933" k3="-0.4867"/>
            <vignetting model="pa" focal="135" aperture="22" distance="2.4" k1="-0.1950" k2="-0.0297" k3="0.0872"/>
            <vignetting model="pa" focal="135" aperture="22" distance="7.2" k1="-0.1936" k2="-0.0349" k3="0.0914"/>
            <vignetting model="pa" focal="135" aperture="22" distance="1000" k1="-0.1836" k2="-0.0570" k3="0.1018"/>
            <vignetting model="pa" focal="135" aperture="32" distance="1.2" k1="-0.2665" k2="0.2087" k3="-0.1236"/>
            <vignetting model="pa" focal="135" aperture="32" distance="2.4" k1="-0.2008" k2="-0.0207" k3="0.0835"/>
            <vignetting model="pa" focal="135" aperture="32" distance="7.2" k1="-0.1996" k2="-0.0257" k3="0.0874"/>
            <vignetting model="pa" focal="135" aperture="32" distance="1000" k1="-0.1869" k2="-0.0541" k3="0.1019"/>
            <vignetting model="pa" focal="200" aperture="4" distance="1.2" k1="-1.3869" k2="1.3645" k3="-0.5975"/>
            <vignetting model="pa" focal="200" aperture="4" distance="2.4" k1="-1.4572" k2="1.6038" k3="-0.7493"/>
            <vignetting model="pa" focal="200" aperture="4" distance="7.2" k1="-1.3355" k2="1.3855" k3="-0.6326"/>
            <vignetting model="pa" focal="200" aperture="4" distance="1000" k1="-1.2097" k2="1.1495" k3="-0.5099"/>
            <vignetting model="pa" focal="200" aperture="5.6" distance="1.2" k1="-0.5875" k2="-0.3199" k3="0.3901"/>
            <vignetting model="pa" focal="200" aperture="5.6" distance="2.4" k1="-0.1979" k2="-0.8929" k3="0.6569"/>
            <vignetting model="pa" focal="200" aperture="5.6" distance="7.2" k1="-0.0766" k2="-0.9730" k3="0.6522"/>
            <vignetting model="pa" focal="200" aperture="5.6" distance="1000" k1="0.0028" k2="-1.0499" k3="0.6600"/>
            <vignetting model="pa" focal="200" aperture="8" distance="1.2" k1="0.0953" k2="-1.2513" k3="0.7154"/>
            <vignetting model="pa" focal="200" aperture="8" distance="2.4" k1="0.0023" k2="-0.5947" k3="0.2501"/>
            <vignetting model="pa" focal="200" aperture="8" distance="7.2" k1="-0.0974" k2="-0.1938" k3="-0.0108"/>
            <vignetting model="pa" focal="200" aperture="8" distance="1000" k1="-0.1281" k2="-0.0890" k3="-0.0716"/>
            <vignetting model="pa" focal="200" aperture="11" distance="1.2" k1="-0.1134" k2="-0.1124" k3="-0.1389"/>
            <vignetting model="pa" focal="200" aperture="11" distance="2.4" k1="-0.2417" k2="0.2666" k3="-0.2525"/>
            <vignetting model="pa" focal="200" aperture="11" distance="7.2" k1="-0.2329" k2="0.1868" k3="-0.1324"/>
            <vignetting model="pa" focal="200" aperture="11" distance="1000" k1="-0.2273" k2="0.1592" k3="-0.1016"/>
            <vignetting model="pa" focal="200" aperture="16" distance="1.2" k1="-0.2923" k2="0.4301" k3="-0.3911"/>
            <vignetting model="pa" focal="200" aperture="16" distance="2.4" k1="-0.1960" k2="0.0129" k3="0.0467"/>
            <vignetting model="pa" focal="200" aperture="16" distance="7.2" k1="-0.1856" k2="-0.0280" k3="0.0830"/>
            <vignetting model="pa" focal="200" aperture="16" distance="1000" k1="-0.1819" k2="-0.0335" k3="0.0817"/>
            <vignetting model="pa" focal="200" aperture="22" distance="1.2" k1="-0.2181" k2="0.0813" k3="-0.0163"/>
            <vignetting model="pa" focal="200" aperture="22" distance="2.4" k1="-0.1916" k2="-0.0145" k3="0.0747"/>
            <vignetting model="pa" focal="200" aperture="22" distance="7.2" k1="-0.1888" k2="-0.0245" k3="0.0824"/>
            <vignetting model="pa" focal="200" aperture="22" distance="1000" k1="-0.1803" k2="-0.0404" k3="0.0870"/>
            <vignetting model="pa" focal="200" aperture="32" distance="1.2" k1="-0.1975" k2="-0.0084" k3="0.0673"/>
            <vignetting model="pa" focal="200" aperture="32" distance="2.4" k1="-0.1957" k2="-0.0061" k3="0.0694"/>
            <vignetting model="pa" focal="200" aperture="32" distance="7.2" k1="-0.1944" k2="-0.0139" k3="0.0757"/>
            <vignetting model="pa" focal="200" aperture="32" distance="1000" k1="-0.1823" k2="-0.0364" k3="0.0843"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 70-200mm f/4L IS USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1.613</cropfactor>
        <calibration>
            <!-- Taken with Canon 650D -->
            <distortion model="poly3" focal="70" k1="-0.00476"/>
            <distortion model="poly3" focal="85" k1="-0.00094"/>
            <distortion model="poly3" focal="135" k1="0.00256"/>
            <distortion model="poly3" focal="200" k1="0.00608"/>
            <tca model="poly3" focal="70" vr="1.0001" vb="1.0003"/>
            <tca model="poly3" focal="85" vr="1.0001" vb="1.00015"/>
            <tca model="poly3" focal="135" vr="0.9998" vb="1.0002"/>
            <tca model="poly3" focal="200" vr="0.99975" vb="1"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 70-300mm f/4.5-5.6 DO IS USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <distortion model="poly3" focal="70" k1="-0.003445"/>
            <distortion model="poly3" focal="75" k1="-0.001549"/>
            <distortion model="poly3" focal="100" k1="0.004544"/>
            <distortion model="poly3" focal="130" k1="0.009179"/>
            <distortion model="poly3" focal="150" k1="0.010655"/>
            <distortion model="poly3" focal="200" k1="0.010972"/>
            <distortion model="poly3" focal="230" k1="0.009311"/>
            <distortion model="poly3" focal="270" k1="0.011792"/>
            <distortion model="poly3" focal="300" k1="0.009986"/>
            <!-- Taken with Canon 5D Mark III -->
            <tca model="poly3" focal="70" br="-0.0000749" vr="1.0007175" bb="0.0002339" vb="0.9998906"/>
            <tca model="poly3" focal="90" br="-0.0001527" vr="1.0006139" bb="0.0003057" vb="0.9999619"/>
            <tca model="poly3" focal="100" br="-0.0001323" vr="1.0003968" bb="0.0003134" vb="1.0000848"/>
            <tca model="poly3" focal="140" br="-0.0001266" vr="1.0001416" bb="0.0003734" vb="1.0000699"/>
            <tca model="poly3" focal="200" br="-0.0000490" vr="0.9998971" bb="-0.0000101" vb="1.0002337"/>
            <tca model="poly3" focal="300" br="-0.0001831" vr="0.9997621" bb="-0.0000008" vb="0.9999507"/>
            <vignetting model="pa" focal="70" aperture="4.5" distance="1.4" k1="-0.2177" k2="-0.7961" k3="0.5698"/>
            <vignetting model="pa" focal="70" aperture="4.5" distance="3" k1="-0.1991" k2="-0.8476" k3="0.6006"/>
            <vignetting model="pa" focal="70" aperture="4.5" distance="10" k1="-0.2295" k2="-0.7931" k3="0.5739"/>
            <vignetting model="pa" focal="70" aperture="4.5" distance="1000" k1="-0.2517" k2="-0.7521" k3="0.5526"/>
            <vignetting model="pa" focal="70" aperture="6.3" distance="1.4" k1="-0.0190" k2="-0.5247" k3="0.3056"/>
            <vignetting model="pa" focal="70" aperture="6.3" distance="3" k1="-0.0008" k2="-0.5503" k3="0.3197"/>
            <vignetting model="pa" focal="70" aperture="6.3" distance="10" k1="-0.0110" k2="-0.5109" k3="0.2925"/>
            <vignetting model="pa" focal="70" aperture="6.3" distance="1000" k1="-0.0098" k2="-0.4773" k3="0.2645"/>
            <vignetting model="pa" focal="70" aperture="9" distance="1.4" k1="-0.1413" k2="-0.1615" k3="0.1463"/>
            <vignetting model="pa" focal="70" aperture="9" distance="3" k1="-0.1253" k2="-0.1888" k3="0.1634"/>
            <vignetting model="pa" focal="70" aperture="9" distance="10" k1="-0.1240" k2="-0.1887" k3="0.1608"/>
            <vignetting model="pa" focal="70" aperture="9" distance="1000" k1="-0.1313" k2="-0.1701" k3="0.1510"/>
            <vignetting model="pa" focal="70" aperture="32" distance="1.4" k1="-0.2219" k2="-0.0218" k3="0.0609"/>
            <vignetting model="pa" focal="70" aperture="32" distance="3" k1="-0.2127" k2="-0.0342" k3="0.0673"/>
            <vignetting model="pa" focal="70" aperture="32" distance="10" k1="-0.2125" k2="-0.0307" k3="0.0641"/>
            <vignetting model="pa" focal="70" aperture="32" distance="1000" k1="-0.2166" k2="-0.0132" k3="0.0536"/>
            <vignetting model="pa" focal="100" aperture="5" distance="1.4" k1="-0.6243" k2="0.0458" k3="0.1081"/>
            <vignetting model="pa" focal="100" aperture="5" distance="3" k1="-0.6140" k2="0.0247" k3="0.1218"/>
            <vignetting model="pa" focal="100" aperture="5" distance="10" k1="-0.6130" k2="0.0202" k3="0.1242"/>
            <vignetting model="pa" focal="100" aperture="5" distance="1000" k1="-0.6212" k2="0.0198" k3="0.1311"/>
            <vignetting model="pa" focal="100" aperture="6.3" distance="1.4" k1="0.0173" k2="-0.6808" k3="0.3962"/>
            <vignetting model="pa" focal="100" aperture="6.3" distance="3" k1="0.0165" k2="-0.6101" k3="0.3433"/>
            <vignetting model="pa" focal="100" aperture="6.3" distance="10" k1="0.0024" k2="-0.5630" k3="0.3156"/>
            <vignetting model="pa" focal="100" aperture="6.3" distance="1000" k1="0.0121" k2="-0.5785" k3="0.3238"/>
            <vignetting model="pa" focal="100" aperture="9" distance="1.4" k1="-0.1421" k2="-0.1711" k3="0.1446"/>
            <vignetting model="pa" focal="100" aperture="9" distance="3" k1="-0.1219" k2="-0.1901" k3="0.1558"/>
            <vignetting model="pa" focal="100" aperture="9" distance="10" k1="-0.1188" k2="-0.2040" k3="0.1706"/>
            <vignetting model="pa" focal="100" aperture="9" distance="1000" k1="-0.1299" k2="-0.1797" k3="0.1554"/>
            <vignetting model="pa" focal="100" aperture="32" distance="1.4" k1="-0.2190" k2="-0.0457" k3="0.0779"/>
            <vignetting model="pa" focal="100" aperture="32" distance="3" k1="-0.2122" k2="-0.0424" k3="0.0762"/>
            <vignetting model="pa" focal="100" aperture="32" distance="10" k1="-0.2154" k2="-0.0329" k3="0.0703"/>
            <vignetting model="pa" focal="100" aperture="32" distance="1000" k1="-0.2162" k2="-0.0289" k3="0.0680"/>
            <vignetting model="pa" focal="135" aperture="5" distance="1.4" k1="-0.6048" k2="0.0601" k3="0.0690"/>
            <vignetting model="pa" focal="135" aperture="5" distance="3" k1="-0.5375" k2="-0.0812" k3="0.1412"/>
            <vignetting model="pa" focal="135" aperture="5" distance="10" k1="-0.4898" k2="-0.1779" k3="0.1906"/>
            <vignetting model="pa" focal="135" aperture="5" distance="1000" k1="-0.4773" k2="-0.2050" k3="0.2058"/>
            <vignetting model="pa" focal="135" aperture="7.1" distance="1.4" k1="-0.0692" k2="-0.3212" k3="0.1492"/>
            <vignetting model="pa" focal="135" aperture="7.1" distance="3" k1="-0.0975" k2="-0.1830" k3="0.0586"/>
            <vignetting model="pa" focal="135" aperture="7.1" distance="10" k1="-0.0981" k2="-0.1602" k3="0.0358"/>
            <vignetting model="pa" focal="135" aperture="7.1" distance="1000" k1="-0.1093" k2="-0.1170" k3="0.0142"/>
            <vignetting model="pa" focal="135" aperture="10" distance="1.4" k1="-0.1456" k2="-0.1706" k3="0.1478"/>
            <vignetting model="pa" focal="135" aperture="10" distance="3" k1="-0.1427" k2="-0.1589" k3="0.1409"/>
            <vignetting model="pa" focal="135" aperture="10" distance="10" k1="-0.1436" k2="-0.1555" k3="0.1424"/>
            <vignetting model="pa" focal="135" aperture="10" distance="1000" k1="-0.1423" k2="-0.1457" k3="0.1324"/>
            <vignetting model="pa" focal="135" aperture="36" distance="1.4" k1="-0.2203" k2="-0.0327" k3="0.0693"/>
            <vignetting model="pa" focal="135" aperture="36" distance="3" k1="-0.2127" k2="-0.0381" k3="0.0753"/>
            <vignetting model="pa" focal="135" aperture="36" distance="10" k1="-0.2125" k2="-0.0247" k3="0.0663"/>
            <vignetting model="pa" focal="135" aperture="36" distance="1000" k1="-0.2081" k2="-0.0284" k3="0.0685"/>
            <vignetting model="pa" focal="200" aperture="5.6" distance="1.4" k1="0.0332" k2="-1.6820" k3="1.0824"/>
            <vignetting model="pa" focal="200" aperture="5.6" distance="1000" k1="-0.0230" k2="-1.5703" k3="1.0491"/>
            <vignetting model="pa" focal="200" aperture="8" distance="1.4" k1="-0.0085" k2="-0.3796" k3="0.0252"/>
            <vignetting model="pa" focal="200" aperture="8" distance="1000" k1="0.1187" k2="-0.8920" k3="0.4303"/>
            <vignetting model="pa" focal="200" aperture="11" distance="1.4" k1="-0.1909" k2="0.0498" k3="-0.0618"/>
            <vignetting model="pa" focal="200" aperture="11" distance="1000" k1="-0.1677" k2="0.0927" k3="-0.1625"/>
            <vignetting model="pa" focal="200" aperture="40" distance="1.4" k1="-0.2017" k2="-0.0522" k3="0.0840"/>
            <vignetting model="pa" focal="200" aperture="40" distance="1000" k1="-0.1908" k2="-0.0287" k3="0.0753"/>
            <vignetting model="pa" focal="210" aperture="5.6" distance="3" k1="0.0515" k2="-1.7762" k3="1.1680"/>
            <vignetting model="pa" focal="210" aperture="5.6" distance="10" k1="-0.0311" k2="-1.5784" k3="1.0581"/>
            <vignetting model="pa" focal="210" aperture="8" distance="3" k1="0.0728" k2="-0.7072" k3="0.2736"/>
            <vignetting model="pa" focal="210" aperture="8" distance="10" k1="0.1146" k2="-0.8825" k3="0.4186"/>
            <vignetting model="pa" focal="210" aperture="11" distance="3" k1="-0.1859" k2="0.1268" k3="-0.1695"/>
            <vignetting model="pa" focal="210" aperture="11" distance="10" k1="-0.1742" k2="0.1141" k3="-0.1807"/>
            <vignetting model="pa" focal="210" aperture="40" distance="3" k1="-0.1982" k2="-0.0268" k3="0.0704"/>
            <vignetting model="pa" focal="210" aperture="40" distance="10" k1="-0.1926" k2="-0.0260" k3="0.0722"/>
            <vignetting model="pa" focal="300" aperture="5.6" distance="1.4" k1="-0.3706" k2="-0.9573" k3="0.7277"/>
            <vignetting model="pa" focal="300" aperture="5.6" distance="3" k1="-0.8471" k2="0.3008" k3="-0.0316"/>
            <vignetting model="pa" focal="300" aperture="5.6" distance="10" k1="-1.1071" k2="0.9937" k3="-0.4506"/>
            <vignetting model="pa" focal="300" aperture="5.6" distance="1000" k1="-1.1590" k2="1.1423" k3="-0.5351"/>
            <vignetting model="pa" focal="300" aperture="8" distance="1.4" k1="0.1446" k2="-1.3957" k3="0.8227"/>
            <vignetting model="pa" focal="300" aperture="8" distance="3" k1="-0.0259" k2="-1.2768" k3="0.8733"/>
            <vignetting model="pa" focal="300" aperture="8" distance="10" k1="-0.2245" k2="-0.9258" k3="0.7015"/>
            <vignetting model="pa" focal="300" aperture="8" distance="1000" k1="-0.3150" k2="-0.7532" k3="0.6119"/>
            <vignetting model="pa" focal="300" aperture="11" distance="1.4" k1="-0.0160" k2="-0.3740" k3="0.0591"/>
            <vignetting model="pa" focal="300" aperture="11" distance="3" k1="0.0727" k2="-0.7377" k3="0.3033"/>
            <vignetting model="pa" focal="300" aperture="11" distance="10" k1="0.1138" k2="-0.9083" k3="0.4318"/>
            <vignetting model="pa" focal="300" aperture="11" distance="1000" k1="0.1238" k2="-1.0061" k3="0.5147"/>
            <vignetting model="pa" focal="300" aperture="40" distance="1.4" k1="-0.1824" k2="-0.0514" k3="0.0862"/>
            <vignetting model="pa" focal="300" aperture="40" distance="3" k1="-0.1925" k2="-0.0004" k3="0.0608"/>
            <vignetting model="pa" focal="300" aperture="40" distance="10" k1="-0.1798" k2="-0.0063" k3="0.0652"/>
            <vignetting model="pa" focal="300" aperture="40" distance="1000" k1="-0.1780" k2="-0.0063" k3="0.0679"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 70-300mm f/4-5.6 IS USM</model>
        <mount>Canon EF</mount>
        <!-- Average crop factor of Canon APS-C cameras -->
        <cropfactor>1.611</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="300" a="-0.00012" b="0.00556" c="-0.00398"/>
            <distortion model="ptlens" focal="200" a="-0.00466" b="0.01801" c="-0.01557"/>
            <distortion model="ptlens" focal="135" a="-0.00371" b="0.01433" c="-0.01464"/>
            <distortion model="ptlens" focal="100" a="0" b="-0.00091" c="0"/>
            <distortion model="ptlens" focal="70" a="0" b="-0.00371" c="0"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 75-300mm f/4-5.6 IS USM</model>
        <mount>Canon EF</mount>
        <!-- Average crop factor of Canon APS-C cameras -->
        <cropfactor>1.611</cropfactor>
        <calibration>
            <distortion model="poly3" focal="75" k1="-0.004815"/>
            <distortion model="poly3" focal="100" k1="-0.004914"/>
            <distortion model="poly3" focal="135" k1="0.000475"/>
            <distortion model="poly3" focal="155" k1="0.001105"/>
            <distortion model="poly3" focal="300" k1="0.00411"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 80-200mm f/2.8L</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <distortion model="poly3" focal="80" k1="-0.007253"/>
            <distortion model="poly3" focal="88" k1="-0.006184"/>
            <distortion model="poly3" focal="100" k1="-0.003182"/>
            <distortion model="poly3" focal="120" k1="-0.000752"/>
            <distortion model="poly3" focal="140" k1="0.001667"/>
            <distortion model="poly3" focal="175" k1="0.003535"/>
            <distortion model="poly3" focal="200" k1="0.004386"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 85mm f/1.2L II USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <!-- Taken with Canon 5D Mark III -->
            <distortion model="ptlens" focal="85" a="0.00109" b="-0.00481" c="0.00232"/>
            <tca model="poly3" focal="85" br="-0.0000612" vr="0.9999389" bb="0.0000679" vb="0.9999034"/>
            <vignetting model="pa" focal="85" aperture="1.2" distance="0.95" k1="-1.0418" k2="0.7724" k3="-0.3658"/>
            <vignetting model="pa" focal="85" aperture="1.2" distance="1.9" k1="-1.3152" k2="1.2663" k3="-0.6352"/>
            <vignetting model="pa" focal="85" aperture="1.2" distance="5.7" k1="-1.4018" k2="1.4145" k3="-0.7202"/>
            <vignetting model="pa" focal="85" aperture="1.2" distance="1000" k1="-1.4120" k2="1.4164" k3="-0.7204"/>
            <vignetting model="pa" focal="85" aperture="1.8" distance="0.95" k1="-0.1046" k2="-0.0002" k3="-0.2924"/>
            <vignetting model="pa" focal="85" aperture="1.8" distance="1.9" k1="-0.0429" k2="-0.3179" k3="-0.1076"/>
            <vignetting model="pa" focal="85" aperture="1.8" distance="5.7" k1="-0.0298" k2="-0.4793" k3="0.0023"/>
            <vignetting model="pa" focal="85" aperture="1.8" distance="1000" k1="-0.0357" k2="-0.5311" k3="0.0401"/>
            <vignetting model="pa" focal="85" aperture="2.5" distance="0.95" k1="-0.1781" k2="0.4106" k3="-0.3608"/>
            <vignetting model="pa" focal="85" aperture="2.5" distance="1.9" k1="-0.2183" k2="0.5012" k3="-0.4499"/>
            <vignetting model="pa" focal="85" aperture="2.5" distance="5.7" k1="-0.2534" k2="0.6038" k3="-0.5544"/>
            <vignetting model="pa" focal="85" aperture="2.5" distance="1000" k1="-0.2697" k2="0.6545" k3="-0.6194"/>
            <vignetting model="pa" focal="85" aperture="3.5" distance="0.95" k1="-0.0423" k2="-0.0604" k3="0.0694"/>
            <vignetting model="pa" focal="85" aperture="3.5" distance="1.9" k1="-0.0606" k2="-0.0566" k3="0.0664"/>
            <vignetting model="pa" focal="85" aperture="3.5" distance="5.7" k1="-0.0709" k2="-0.0619" k3="0.0700"/>
            <vignetting model="pa" focal="85" aperture="3.5" distance="1000" k1="-0.0821" k2="-0.0555" k3="0.0664"/>
            <vignetting model="pa" focal="85" aperture="16" distance="0.95" k1="-0.0359" k2="-0.0615" k3="0.0682"/>
            <vignetting model="pa" focal="85" aperture="16" distance="1.9" k1="-0.0465" k2="-0.0751" k3="0.0746"/>
            <vignetting model="pa" focal="85" aperture="16" distance="5.7" k1="-0.0739" k2="-0.0423" k3="0.0544"/>
            <vignetting model="pa" focal="85" aperture="16" distance="1000" k1="-0.0790" k2="-0.0526" k3="0.0615"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 100mm f/2.8 Macro USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <!-- Taken with Canon 5D Mark III -->
            <distortion model="ptlens" focal="100" a="-0.00126" b="0.00429" c="-0.00887"/>
            <tca model="poly3" focal="100" br="-0.0000316" vr="1.0003482" bb="0.0000299" vb="0.9998855"/>
            <vignetting model="pa" focal="100" aperture="2.8" distance="0.31" k1="-0.1368" k2="-0.5887" k3="0.4243"/>
            <vignetting model="pa" focal="100" aperture="2.8" distance="0.62" k1="-0.2002" k2="-0.7034" k3="0.4805"/>
            <vignetting model="pa" focal="100" aperture="2.8" distance="1.86" k1="-0.9303" k2="0.4746" k3="-0.1172"/>
            <vignetting model="pa" focal="100" aperture="2.8" distance="1000" k1="-1.3648" k2="1.3738" k3="-0.6384"/>
            <vignetting model="pa" focal="100" aperture="4" distance="0.31" k1="-0.1483" k2="0.0422" k3="-0.0494"/>
            <vignetting model="pa" focal="100" aperture="4" distance="0.62" k1="-0.0064" k2="-0.2739" k3="0.0484"/>
            <vignetting model="pa" focal="100" aperture="4" distance="1.86" k1="0.0721" k2="-0.6608" k3="0.2908"/>
            <vignetting model="pa" focal="100" aperture="4" distance="1000" k1="0.0949" k2="-0.9807" k3="0.4897"/>
            <vignetting model="pa" focal="100" aperture="5.6" distance="0.31" k1="-0.1278" k2="-0.0703" k3="0.0817"/>
            <vignetting model="pa" focal="100" aperture="5.6" distance="0.62" k1="-0.1242" k2="0.0594" k3="-0.0342"/>
            <vignetting model="pa" focal="100" aperture="5.6" distance="1.86" k1="-0.1340" k2="0.1578" k3="-0.1604"/>
            <vignetting model="pa" focal="100" aperture="5.6" distance="1000" k1="-0.1127" k2="0.1457" k3="-0.2155"/>
            <vignetting model="pa" focal="100" aperture="8" distance="0.31" k1="-0.1177" k2="-0.0988" k3="0.1018"/>
            <vignetting model="pa" focal="100" aperture="8" distance="0.62" k1="-0.0954" k2="-0.0536" k3="0.0710"/>
            <vignetting model="pa" focal="100" aperture="8" distance="1.86" k1="-0.0876" k2="-0.0566" k3="0.0718"/>
            <vignetting model="pa" focal="100" aperture="8" distance="1000" k1="-0.0855" k2="-0.0358" k3="0.0486"/>
            <vignetting model="pa" focal="100" aperture="32" distance="0.31" k1="-0.0685" k2="-0.2239" k3="0.1770"/>
            <vignetting model="pa" focal="100" aperture="32" distance="0.62" k1="-0.0498" k2="-0.1694" k3="0.1430"/>
            <vignetting model="pa" focal="100" aperture="32" distance="1.86" k1="-0.0495" k2="-0.1537" k3="0.1345"/>
            <vignetting model="pa" focal="100" aperture="32" distance="1000" k1="-0.0442" k2="-0.1356" k3="0.1146"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 100-200mm f/4.5A</model>
        <mount>Canon EF</mount>
        <cropfactor>1.005</cropfactor>
        <calibration>
            <!-- Taken with Canon 6D -->
            <distortion model="ptlens" focal="100.0" a="0.000798001" b="-0.000194199" c="0.00426245"/>
            <distortion model="ptlens" focal="120.0" a="0.00202623" b="0.00248818" c="0.00108613"/>
            <distortion model="ptlens" focal="141.0" a="0.00279547" b="0.00362952" c="0.00213949"/>
            <distortion model="ptlens" focal="161.0" a="0.0035957" b="0.00411461" c="0.000277107"/>
            <distortion model="ptlens" focal="184.0" a="0.00391164" b="0.00342605" c="0.00466205"/>
            <distortion model="ptlens" focal="200.0" a="0.00317401" b="0.0070484" c="-0.000930824"/>
            <tca model="poly3" focal="100.0" br="-0.0000437" vr="1.0001299" bb="0.0000437" vb="0.9999199"/>
            <tca model="poly3" focal="106.0" br="-0.0000410" vr="1.0000932" bb="0.0000388" vb="0.9999123"/>
            <tca model="poly3" focal="111.0" br="-0.0000437" vr="1.0000843" bb="0.0000440" vb="0.9998918"/>
            <tca model="poly3" focal="114.0" br="-0.0000454" vr="1.0000744" bb="0.0000421" vb="0.9998734"/>
            <tca model="poly3" focal="120.0" br="-0.0000470" vr="1.0000580" bb="0.0000339" vb="0.9998718"/>
            <tca model="poly3" focal="126.0" br="-0.0000428" vr="1.0000433" bb="0.0000310" vb="0.9998690"/>
            <tca model="poly3" focal="129.0" br="-0.0000388" vr="1.0000240" bb="0.0000327" vb="0.9998451"/>
            <tca model="poly3" focal="135.0" br="-0.0000348" vr="1.0000103" bb="0.0000340" vb="0.9998383"/>
            <tca model="poly3" focal="141.0" br="-0.0000314" vr="0.9999935" bb="0.0000315" vb="0.9998229"/>
            <tca model="poly3" focal="144.0" br="-0.0000260" vr="0.9999756" bb="0.0000317" vb="0.9998069"/>
            <tca model="poly3" focal="150.0" br="-0.0000234" vr="0.9999632" bb="0.0000326" vb="0.9997904"/>
            <tca model="poly3" focal="153.0" br="-0.0000187" vr="0.9999517" bb="0.0000419" vb="0.9997569"/>
            <tca model="poly3" focal="161.0" br="-0.0000113" vr="0.9999304" bb="0.0000437" vb="0.9997407"/>
            <tca model="poly3" focal="165.0" br="-0.0000231" vr="0.9999469" bb="0.0000537" vb="0.9997142"/>
            <tca model="poly3" focal="172.0" br="-0.0000160" vr="0.9999299" bb="0.0000449" vb="0.9997226"/>
            <tca model="poly3" focal="176.0" br="-0.0000184" vr="0.9999289" bb="0.0000593" vb="0.9996059"/>
            <tca model="poly3" focal="180.0" br="-0.0000106" vr="0.9999066" bb="0.0000661" vb="0.9996643"/>
            <tca model="poly3" focal="184.0" br="-0.0000098" vr="0.9998938" bb="0.0000603" vb="0.9996636"/>
            <tca model="poly3" focal="192.0" br="-0.0000154" vr="0.9999098" bb="0.0000749" vb="0.9996425"/>
            <tca model="poly3" focal="200.0" br="-0.0000250" vr="0.9999339" bb="0.0000709" vb="0.9996033"/>
            <vignetting model="pa" focal="100.0" aperture="4.5" distance="10" k1="-0.9275748" k2="0.8587336" k3="-0.4184724"/>
            <vignetting model="pa" focal="100.0" aperture="4.5" distance="1000" k1="-0.9275748" k2="0.8587336" k3="-0.4184724"/>
            <vignetting model="pa" focal="100.0" aperture="5.0" distance="10" k1="-0.7199933" k2="0.4925328" k3="-0.1918522"/>
            <vignetting model="pa" focal="100.0" aperture="5.0" distance="1000" k1="-0.7199933" k2="0.4925328" k3="-0.1918522"/>
            <vignetting model="pa" focal="100.0" aperture="5.6" distance="10" k1="-0.3353914" k2="-0.1923674" k3="0.1786203"/>
            <vignetting model="pa" focal="100.0" aperture="5.6" distance="1000" k1="-0.3353914" k2="-0.1923674" k3="0.1786203"/>
            <vignetting model="pa" focal="100.0" aperture="6.3" distance="10" k1="-0.1687130" k2="-0.2680193" k3="0.1449415"/>
            <vignetting model="pa" focal="100.0" aperture="6.3" distance="1000" k1="-0.1687130" k2="-0.2680193" k3="0.1449415"/>
            <vignetting model="pa" focal="100.0" aperture="7.1" distance="10" k1="-0.2047322" k2="-0.0075474" k3="-0.0393410"/>
            <vignetting model="pa" focal="100.0" aperture="7.1" distance="1000" k1="-0.2047322" k2="-0.0075474" k3="-0.0393410"/>
            <vignetting model="pa" focal="100.0" aperture="8.0" distance="10" k1="-0.2941937" k2="0.3173561" k3="-0.2292096"/>
            <vignetting model="pa" focal="100.0" aperture="8.0" distance="1000" k1="-0.2941937" k2="0.3173561" k3="-0.2292096"/>
            <vignetting model="pa" focal="100.0" aperture="9.0" distance="10" k1="-0.2931446" k2="0.2675419" k3="-0.1389792"/>
            <vignetting model="pa" focal="100.0" aperture="9.0" distance="1000" k1="-0.2931446" k2="0.2675419" k3="-0.1389792"/>
            <vignetting model="pa" focal="100.0" aperture="10.0" distance="10" k1="-0.2738220" k2="0.1907541" k3="-0.0718611"/>
            <vignetting model="pa" focal="100.0" aperture="10.0" distance="1000" k1="-0.2738220" k2="0.1907541" k3="-0.0718611"/>
            <vignetting model="pa" focal="100.0" aperture="16.0" distance="10" k1="-0.2667125" k2="0.1610947" k3="-0.0501177"/>
            <vignetting model="pa" focal="100.0" aperture="16.0" distance="1000" k1="-0.2667125" k2="0.1610947" k3="-0.0501177"/>
            <vignetting model="pa" focal="100.0" aperture="32.0" distance="10" k1="-0.2621202" k2="0.1307612" k3="-0.0226948"/>
            <vignetting model="pa" focal="100.0" aperture="32.0" distance="1000" k1="-0.2621202" k2="0.1307612" k3="-0.0226948"/>
            <vignetting model="pa" focal="111.0" aperture="4.5" distance="10" k1="-0.9445361" k2="0.9143233" k3="-0.4521500"/>
            <vignetting model="pa" focal="111.0" aperture="4.5" distance="1000" k1="-0.9445361" k2="0.9143233" k3="-0.4521500"/>
            <vignetting model="pa" focal="111.0" aperture="5.0" distance="10" k1="-0.7428735" k2="0.6205931" k3="-0.2779849"/>
            <vignetting model="pa" focal="111.0" aperture="5.0" distance="1000" k1="-0.7428735" k2="0.6205931" k3="-0.2779849"/>
            <vignetting model="pa" focal="111.0" aperture="5.6" distance="10" k1="-0.3243740" k2="-0.1799451" k3="0.1640391"/>
            <vignetting model="pa" focal="111.0" aperture="5.6" distance="1000" k1="-0.3243740" k2="-0.1799451" k3="0.1640391"/>
            <vignetting model="pa" focal="111.0" aperture="6.3" distance="10" k1="-0.1668466" k2="-0.2421637" k3="0.1254255"/>
            <vignetting model="pa" focal="111.0" aperture="6.3" distance="1000" k1="-0.1668466" k2="-0.2421637" k3="0.1254255"/>
            <vignetting model="pa" focal="111.0" aperture="7.1" distance="10" k1="-0.1934887" k2="-0.0181830" k3="-0.0308822"/>
            <vignetting model="pa" focal="111.0" aperture="7.1" distance="1000" k1="-0.1934887" k2="-0.0181830" k3="-0.0308822"/>
            <vignetting model="pa" focal="111.0" aperture="8.0" distance="10" k1="-0.2701061" k2="0.2739406" k3="-0.2022124"/>
            <vignetting model="pa" focal="111.0" aperture="8.0" distance="1000" k1="-0.2701061" k2="0.2739406" k3="-0.2022124"/>
            <vignetting model="pa" focal="111.0" aperture="9.0" distance="10" k1="-0.2835365" k2="0.2850830" k3="-0.1583275"/>
            <vignetting model="pa" focal="111.0" aperture="9.0" distance="1000" k1="-0.2835365" k2="0.2850830" k3="-0.1583275"/>
            <vignetting model="pa" focal="111.0" aperture="10.0" distance="10" k1="-0.2620274" k2="0.2093039" k3="-0.0918981"/>
            <vignetting model="pa" focal="111.0" aperture="10.0" distance="1000" k1="-0.2620274" k2="0.2093039" k3="-0.0918981"/>
            <vignetting model="pa" focal="111.0" aperture="16.0" distance="10" k1="-0.2463466" k2="0.1610524" k3="-0.0602006"/>
            <vignetting model="pa" focal="111.0" aperture="16.0" distance="1000" k1="-0.2463466" k2="0.1610524" k3="-0.0602006"/>
            <vignetting model="pa" focal="111.0" aperture="32.0" distance="10" k1="-0.2445234" k2="0.1429373" k3="-0.0420695"/>
            <vignetting model="pa" focal="111.0" aperture="32.0" distance="1000" k1="-0.2445234" k2="0.1429373" k3="-0.0420695"/>
            <vignetting model="pa" focal="126.0" aperture="4.5" distance="10" k1="-0.9565634" k2="0.9925974" k3="-0.5720663"/>
            <vignetting model="pa" focal="126.0" aperture="4.5" distance="1000" k1="-0.9565634" k2="0.9925974" k3="-0.5720663"/>
            <vignetting model="pa" focal="126.0" aperture="5.0" distance="10" k1="-0.7783412" k2="0.8031055" k3="-0.4791403"/>
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            <vignetting model="pa" focal="126.0" aperture="9.0" distance="1000" k1="-0.2723214" k2="0.2559347" k3="-0.1263505"/>
            <vignetting model="pa" focal="126.0" aperture="10.0" distance="10" k1="-0.2521358" k2="0.1718494" k3="-0.0493731"/>
            <vignetting model="pa" focal="126.0" aperture="10.0" distance="1000" k1="-0.2521358" k2="0.1718494" k3="-0.0493731"/>
            <vignetting model="pa" focal="126.0" aperture="16.0" distance="10" k1="-0.2405629" k2="0.1331234" k3="-0.0243028"/>
            <vignetting model="pa" focal="126.0" aperture="16.0" distance="1000" k1="-0.2405629" k2="0.1331234" k3="-0.0243028"/>
            <vignetting model="pa" focal="126.0" aperture="32.0" distance="10" k1="-0.2435454" k2="0.1293557" k3="-0.0186138"/>
            <vignetting model="pa" focal="126.0" aperture="32.0" distance="1000" k1="-0.2435454" k2="0.1293557" k3="-0.0186138"/>
            <vignetting model="pa" focal="144.0" aperture="4.5" distance="10" k1="-0.7443447" k2="0.1067268" k3="-0.0208229"/>
            <vignetting model="pa" focal="144.0" aperture="4.5" distance="1000" k1="-0.7443447" k2="0.1067268" k3="-0.0208229"/>
            <vignetting model="pa" focal="144.0" aperture="5.0" distance="10" k1="-0.5616317" k2="0.0164076" k3="-0.0460403"/>
            <vignetting model="pa" focal="144.0" aperture="5.0" distance="1000" k1="-0.5616317" k2="0.0164076" k3="-0.0460403"/>
            <vignetting model="pa" focal="144.0" aperture="5.6" distance="10" k1="-0.2860777" k2="-0.1869808" k3="-0.0107422"/>
            <vignetting model="pa" focal="144.0" aperture="5.6" distance="1000" k1="-0.2860777" k2="-0.1869808" k3="-0.0107422"/>
            <vignetting model="pa" focal="144.0" aperture="6.3" distance="10" k1="-0.1993086" k2="-0.0263983" k3="-0.1239345"/>
            <vignetting model="pa" focal="144.0" aperture="6.3" distance="1000" k1="-0.1993086" k2="-0.0263983" k3="-0.1239345"/>
            <vignetting model="pa" focal="144.0" aperture="7.1" distance="10" k1="-0.2183765" k2="0.1472867" k3="-0.2040352"/>
            <vignetting model="pa" focal="144.0" aperture="7.1" distance="1000" k1="-0.2183765" k2="0.1472867" k3="-0.2040352"/>
            <vignetting model="pa" focal="144.0" aperture="8.0" distance="10" k1="-0.2693823" k2="0.3256255" k3="-0.2517819"/>
            <vignetting model="pa" focal="144.0" aperture="8.0" distance="1000" k1="-0.2693823" k2="0.3256255" k3="-0.2517819"/>
            <vignetting model="pa" focal="144.0" aperture="9.0" distance="10" k1="-0.2502399" k2="0.2140800" k3="-0.1113454"/>
            <vignetting model="pa" focal="144.0" aperture="9.0" distance="1000" k1="-0.2502399" k2="0.2140800" k3="-0.1113454"/>
            <vignetting model="pa" focal="144.0" aperture="10.0" distance="10" k1="-0.2410656" k2="0.1746826" k3="-0.0708193"/>
            <vignetting model="pa" focal="144.0" aperture="10.0" distance="1000" k1="-0.2410656" k2="0.1746826" k3="-0.0708193"/>
            <vignetting model="pa" focal="144.0" aperture="16.0" distance="10" k1="-0.2299626" k2="0.1172495" k3="-0.0203578"/>
            <vignetting model="pa" focal="144.0" aperture="16.0" distance="1000" k1="-0.2299626" k2="0.1172495" k3="-0.0203578"/>
            <vignetting model="pa" focal="144.0" aperture="32.0" distance="10" k1="-0.2375624" k2="0.1276255" k3="-0.0241888"/>
            <vignetting model="pa" focal="144.0" aperture="32.0" distance="1000" k1="-0.2375624" k2="0.1276255" k3="-0.0241888"/>
            <vignetting model="pa" focal="161.0" aperture="4.5" distance="10" k1="-0.7802551" k2="-0.2420719" k3="0.3194260"/>
            <vignetting model="pa" focal="161.0" aperture="4.5" distance="1000" k1="-0.7802551" k2="-0.2420719" k3="0.3194260"/>
            <vignetting model="pa" focal="161.0" aperture="5.0" distance="10" k1="-0.4747752" k2="-0.5526972" k3="0.3866543"/>
            <vignetting model="pa" focal="161.0" aperture="5.0" distance="1000" k1="-0.4747752" k2="-0.5526972" k3="0.3866543"/>
            <vignetting model="pa" focal="161.0" aperture="5.6" distance="10" k1="-0.1157779" k2="-0.8370893" k3="0.4177926"/>
            <vignetting model="pa" focal="161.0" aperture="5.6" distance="1000" k1="-0.1157779" k2="-0.8370893" k3="0.4177926"/>
            <vignetting model="pa" focal="161.0" aperture="6.3" distance="10" k1="-0.0630489" k2="-0.4145385" k3="0.0501384"/>
            <vignetting model="pa" focal="161.0" aperture="6.3" distance="1000" k1="-0.0630489" k2="-0.4145385" k3="0.0501384"/>
            <vignetting model="pa" focal="161.0" aperture="7.1" distance="10" k1="-0.1587553" k2="0.0478744" k3="-0.2267229"/>
            <vignetting model="pa" focal="161.0" aperture="7.1" distance="1000" k1="-0.1587553" k2="0.0478744" k3="-0.2267229"/>
            <vignetting model="pa" focal="161.0" aperture="8.0" distance="10" k1="-0.2901119" k2="0.4739618" k3="-0.4187315"/>
            <vignetting model="pa" focal="161.0" aperture="8.0" distance="1000" k1="-0.2901119" k2="0.4739618" k3="-0.4187315"/>
            <vignetting model="pa" focal="161.0" aperture="9.0" distance="10" k1="-0.2722996" k2="0.3288855" k3="-0.2081642"/>
            <vignetting model="pa" focal="161.0" aperture="9.0" distance="1000" k1="-0.2722996" k2="0.3288855" k3="-0.2081642"/>
            <vignetting model="pa" focal="161.0" aperture="10.0" distance="10" k1="-0.2432580" k2="0.2027339" k3="-0.0845164"/>
            <vignetting model="pa" focal="161.0" aperture="10.0" distance="1000" k1="-0.2432580" k2="0.2027339" k3="-0.0845164"/>
            <vignetting model="pa" focal="161.0" aperture="16.0" distance="10" k1="-0.2351346" k2="0.1488457" k3="-0.0351881"/>
            <vignetting model="pa" focal="161.0" aperture="16.0" distance="1000" k1="-0.2351346" k2="0.1488457" k3="-0.0351881"/>
            <vignetting model="pa" focal="161.0" aperture="32.0" distance="10" k1="-0.2373726" k2="0.0986078" k3="0.0148207"/>
            <vignetting model="pa" focal="161.0" aperture="32.0" distance="1000" k1="-0.2373726" k2="0.0986078" k3="0.0148207"/>
            <vignetting model="pa" focal="180.0" aperture="4.5" distance="10" k1="-1.0295354" k2="0.0975985" k3="0.1991276"/>
            <vignetting model="pa" focal="180.0" aperture="4.5" distance="1000" k1="-1.0295354" k2="0.0975985" k3="0.1991276"/>
            <vignetting model="pa" focal="180.0" aperture="5.0" distance="10" k1="-0.5573371" k2="-0.6205032" k3="0.5053953"/>
            <vignetting model="pa" focal="180.0" aperture="5.0" distance="1000" k1="-0.5573371" k2="-0.6205032" k3="0.5053953"/>
            <vignetting model="pa" focal="180.0" aperture="5.6" distance="10" k1="-0.0755026" k2="-1.1511280" k3="0.6611451"/>
            <vignetting model="pa" focal="180.0" aperture="5.6" distance="1000" k1="-0.0755026" k2="-1.1511280" k3="0.6611451"/>
            <vignetting model="pa" focal="180.0" aperture="6.3" distance="10" k1="0.0405673" k2="-0.8137835" k3="0.3010427"/>
            <vignetting model="pa" focal="180.0" aperture="6.3" distance="1000" k1="0.0405673" k2="-0.8137835" k3="0.3010427"/>
            <vignetting model="pa" focal="180.0" aperture="7.1" distance="10" k1="-0.0858139" k2="-0.1787669" k3="-0.1194280"/>
            <vignetting model="pa" focal="180.0" aperture="7.1" distance="1000" k1="-0.0858139" k2="-0.1787669" k3="-0.1194280"/>
            <vignetting model="pa" focal="180.0" aperture="8.0" distance="10" k1="-0.2499555" k2="0.3791370" k3="-0.3946987"/>
            <vignetting model="pa" focal="180.0" aperture="8.0" distance="1000" k1="-0.2499555" k2="0.3791370" k3="-0.3946987"/>
            <vignetting model="pa" focal="180.0" aperture="9.0" distance="10" k1="-0.2756596" k2="0.3829978" k3="-0.2818613"/>
            <vignetting model="pa" focal="180.0" aperture="9.0" distance="1000" k1="-0.2756596" k2="0.3829978" k3="-0.2818613"/>
            <vignetting model="pa" focal="180.0" aperture="10.0" distance="10" k1="-0.2380453" k2="0.2219950" k3="-0.1242396"/>
            <vignetting model="pa" focal="180.0" aperture="10.0" distance="1000" k1="-0.2380453" k2="0.2219950" k3="-0.1242396"/>
            <vignetting model="pa" focal="180.0" aperture="16.0" distance="10" k1="-0.2161583" k2="0.1287269" k3="-0.0315579"/>
            <vignetting model="pa" focal="180.0" aperture="16.0" distance="1000" k1="-0.2161583" k2="0.1287269" k3="-0.0315579"/>
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            <vignetting model="pa" focal="180.0" aperture="32.0" distance="1000" k1="-0.2085445" k2="0.0958401" k3="-0.0063552"/>
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            <vignetting model="pa" focal="200.0" aperture="4.5" distance="1000" k1="-1.4309212" k2="0.8777414" k3="-0.2090941"/>
            <vignetting model="pa" focal="200.0" aperture="5.0" distance="10" k1="-0.8049414" k2="-0.2921342" k3="0.3927491"/>
            <vignetting model="pa" focal="200.0" aperture="5.0" distance="1000" k1="-0.8049414" k2="-0.2921342" k3="0.3927491"/>
            <vignetting model="pa" focal="200.0" aperture="5.6" distance="10" k1="-0.1435079" k2="-1.2626111" k3="0.8018262"/>
            <vignetting model="pa" focal="200.0" aperture="5.6" distance="1000" k1="-0.1435079" k2="-1.2626111" k3="0.8018262"/>
            <vignetting model="pa" focal="200.0" aperture="6.3" distance="10" k1="0.0799008" k2="-1.0998366" k3="0.5241183"/>
            <vignetting model="pa" focal="200.0" aperture="6.3" distance="1000" k1="0.0799008" k2="-1.0998366" k3="0.5241183"/>
            <vignetting model="pa" focal="200.0" aperture="7.1" distance="10" k1="-0.0253586" k2="-0.4583543" k3="0.0738498"/>
            <vignetting model="pa" focal="200.0" aperture="7.1" distance="1000" k1="-0.0253586" k2="-0.4583543" k3="0.0738498"/>
            <vignetting model="pa" focal="200.0" aperture="8.0" distance="10" k1="-0.2185627" k2="0.2899767" k3="-0.3795247"/>
            <vignetting model="pa" focal="200.0" aperture="8.0" distance="1000" k1="-0.2185627" k2="0.2899767" k3="-0.3795247"/>
            <vignetting model="pa" focal="200.0" aperture="9.0" distance="10" k1="-0.2904960" k2="0.4642086" k3="-0.3786715"/>
            <vignetting model="pa" focal="200.0" aperture="9.0" distance="1000" k1="-0.2904960" k2="0.4642086" k3="-0.3786715"/>
            <vignetting model="pa" focal="200.0" aperture="10.0" distance="10" k1="-0.2747071" k2="0.3699805" k3="-0.2563927"/>
            <vignetting model="pa" focal="200.0" aperture="10.0" distance="1000" k1="-0.2747071" k2="0.3699805" k3="-0.2563927"/>
            <vignetting model="pa" focal="200.0" aperture="16.0" distance="10" k1="-0.2294282" k2="0.1772916" k3="-0.0690191"/>
            <vignetting model="pa" focal="200.0" aperture="16.0" distance="1000" k1="-0.2294282" k2="0.1772916" k3="-0.0690191"/>
            <vignetting model="pa" focal="200.0" aperture="32.0" distance="10" k1="-0.2150318" k2="0.1247831" k3="-0.0350040"/>
            <vignetting model="pa" focal="200.0" aperture="32.0" distance="1000" k1="-0.2150318" k2="0.1247831" k3="-0.0350040"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 100-300mm f/5.6L</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <distortion model="poly3" focal="100" k1="-0.001195"/>
            <distortion model="poly3" focal="123" k1="0.001845"/>
            <distortion model="poly3" focal="142" k1="0.00427"/>
            <distortion model="poly3" focal="173" k1="0.006821"/>
            <distortion model="poly3" focal="210" k1="0.008324"/>
            <distortion model="poly3" focal="250" k1="0.008554"/>
            <distortion model="poly3" focal="300" k1="0.009679"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 100-400mm f/4.5-5.6L IS USM</model>
        <mount>Canon EF</mount>
        <!-- Average crop factor of Canon APS-C cameras -->
        <cropfactor>1.611</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="100" a="0.001543" b="-0.003547" c="0"/>
            <distortion model="ptlens" focal="135" a="0.000471" b="-0.000408" c="0"/>
            <distortion model="ptlens" focal="150" a="0.00022" b="0.000681" c="0"/>
            <distortion model="ptlens" focal="200" a="-0.00011" b="0.00192" c="0"/>
            <distortion model="ptlens" focal="250" a="0.001326" b="-0.001117" c="0"/>
            <distortion model="ptlens" focal="300" a="-0.001773" b="0.005878" c="0"/>
            <distortion model="ptlens" focal="350" a="0.000721" b="0.000672" c="0"/>
            <distortion model="ptlens" focal="400" a="-0.000338" b="0.003752" c="0"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 100-400mm f/4.5-5.6L IS USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <!-- Taken with Canon 5D Mark III -->
            <distortion model="ptlens" focal="100" a="0.00025675727" b="-0.00086839235" c="0"/>
            <distortion model="ptlens" focal="135" a="0.00025565499" b="0.0023856892" c="0"/>
            <distortion model="ptlens" focal="150" a="-0.00025251856" b="0.0041025843" c="0"/>
            <distortion model="ptlens" focal="200" a="-0.00026568272" b="0.005564501" c="0"/>
            <distortion model="ptlens" focal="250" a="-0.000076806451" b="0.0056209899" c="0"/>
            <distortion model="ptlens" focal="300" a="0.00028689712" b="0.0053289804" c="0"/>
            <distortion model="ptlens" focal="350" a="-0.00021378004" b="0.0064708104" c="0"/>
            <distortion model="ptlens" focal="400" a="0.00035256656" b="0.0059394729" c="0"/>
            <tca model="poly3" focal="100" br="-0.0000088" vr="1.0006645" bb="0.0000759" vb="1.0000395"/>
            <tca model="poly3" focal="135" br="-0.0000677" vr="1.0003291" bb="0.0000991" vb="1.0000728"/>
            <tca model="poly3" focal="150" br="-0.0000440" vr="1.0002045" bb="0.0000863" vb="1.0001036"/>
            <tca model="poly3" focal="200" br="-0.0000125" vr="0.9999578" bb="0.0000330" vb="1.0001366"/>
            <tca model="poly3" focal="250" br="-0.0001232" vr="0.9998504" bb="0.0000643" vb="1.0000649"/>
            <tca model="poly3" focal="300" br="-0.0001213" vr="0.9997686" bb="0.0000394" vb="0.9999256"/>
            <tca model="poly3" focal="400" br="-0.0000709" vr="0.9994402" bb="-0.0000643" vb="0.9996019"/>
            <vignetting model="pa" focal="100" aperture="4.5" distance="1.8" k1="-0.5781" k2="0.1116" k3="-0.0341"/>
            <vignetting model="pa" focal="100" aperture="4.5" distance="3.6" k1="-0.5857" k2="0.0899" k3="-0.0070"/>
            <vignetting model="pa" focal="100" aperture="4.5" distance="10.8" k1="-0.5856" k2="0.0633" k3="0.0181"/>
            <vignetting model="pa" focal="100" aperture="4.5" distance="1000" k1="-0.5863" k2="0.0760" k3="0.0079"/>
            <vignetting model="pa" focal="100" aperture="6.3" distance="1.8" k1="-0.0141" k2="-0.7018" k3="0.4315"/>
            <vignetting model="pa" focal="100" aperture="6.3" distance="3.6" k1="-0.0076" k2="-0.6617" k3="0.3948"/>
            <vignetting model="pa" focal="100" aperture="6.3" distance="10.8" k1="-0.0068" k2="-0.6240" k3="0.3631"/>
            <vignetting model="pa" focal="100" aperture="6.3" distance="1000" k1="-0.0097" k2="-0.5797" k3="0.3287"/>
            <vignetting model="pa" focal="100" aperture="9" distance="1.8" k1="-0.1769" k2="0.0997" k3="-0.0806"/>
            <vignetting model="pa" focal="100" aperture="9" distance="3.6" k1="-0.1681" k2="0.0623" k3="-0.0406"/>
            <vignetting model="pa" focal="100" aperture="9" distance="10.8" k1="-0.1633" k2="0.0432" k3="-0.0214"/>
            <vignetting model="pa" focal="100" aperture="9" distance="1000" k1="-0.1587" k2="0.0241" k3="-0.0015"/>
            <vignetting model="pa" focal="100" aperture="13" distance="1.8" k1="-0.1443" k2="-0.0454" k3="0.0686"/>
            <vignetting model="pa" focal="100" aperture="13" distance="3.6" k1="-0.1435" k2="-0.0467" k3="0.0690"/>
            <vignetting model="pa" focal="100" aperture="13" distance="10.8" k1="-0.1423" k2="-0.0504" k3="0.0717"/>
            <vignetting model="pa" focal="100" aperture="13" distance="1000" k1="-0.1403" k2="-0.0558" k3="0.0756"/>
            <vignetting model="pa" focal="100" aperture="32" distance="1.8" k1="-0.1705" k2="0.0097" k3="0.0364"/>
            <vignetting model="pa" focal="100" aperture="32" distance="3.6" k1="-0.1751" k2="0.0232" k3="0.0251"/>
            <vignetting model="pa" focal="100" aperture="32" distance="10.8" k1="-0.1740" k2="0.0166" k3="0.0318"/>
            <vignetting model="pa" focal="100" aperture="32" distance="1000" k1="-0.1708" k2="0.0067" k3="0.0396"/>
            <vignetting model="pa" focal="135" aperture="5" distance="1.8" k1="-0.5240" k2="0.0714" k3="0.0034"/>
            <vignetting model="pa" focal="135" aperture="5" distance="3.6" k1="-0.5252" k2="0.0294" k3="0.0423"/>
            <vignetting model="pa" focal="135" aperture="5" distance="10.8" k1="-0.5071" k2="-0.0414" k3="0.0949"/>
            <vignetting model="pa" focal="135" aperture="5" distance="1000" k1="-0.4991" k2="-0.0699" k3="0.1157"/>
            <vignetting model="pa" focal="135" aperture="6.3" distance="1.8" k1="-0.0093" k2="-0.6093" k3="0.3682"/>
            <vignetting model="pa" focal="135" aperture="6.3" distance="3.6" k1="-0.0155" k2="-0.5178" k3="0.2968"/>
            <vignetting model="pa" focal="135" aperture="6.3" distance="10.8" k1="-0.0302" k2="-0.4251" k3="0.2304"/>
            <vignetting model="pa" focal="135" aperture="6.3" distance="1000" k1="-0.0319" k2="-0.4127" k3="0.2217"/>
            <vignetting model="pa" focal="135" aperture="9" distance="1.8" k1="-0.1416" k2="-0.0282" k3="0.0502"/>
            <vignetting model="pa" focal="135" aperture="9" distance="3.6" k1="-0.1368" k2="-0.0461" k3="0.0661"/>
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            <vignetting model="pa" focal="135" aperture="32" distance="10.8" k1="-0.1680" k2="0.0088" k3="0.0416"/>
            <vignetting model="pa" focal="135" aperture="32" distance="1000" k1="-0.1675" k2="0.0084" k3="0.0410"/>
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            <vignetting model="pa" focal="150" aperture="6.3" distance="1.8" k1="-0.0121" k2="-0.5442" k3="0.3190"/>
            <vignetting model="pa" focal="150" aperture="6.3" distance="3.6" k1="-0.0256" k2="-0.4364" k3="0.2401"/>
            <vignetting model="pa" focal="150" aperture="6.3" distance="10.8" k1="-0.0431" k2="-0.3443" k3="0.1773"/>
            <vignetting model="pa" focal="150" aperture="6.3" distance="1000" k1="-0.0525" k2="-0.2945" k3="0.1442"/>
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            <vignetting model="pa" focal="150" aperture="9" distance="10.8" k1="-0.1279" k2="-0.0648" k3="0.0802"/>
            <vignetting model="pa" focal="150" aperture="9" distance="1000" k1="-0.1261" k2="-0.0696" k3="0.0839"/>
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            <vignetting model="pa" focal="200" aperture="5" distance="1000" k1="-0.3992" k2="-0.1844" k3="0.1807"/>
            <vignetting model="pa" focal="200" aperture="7.1" distance="1.8" k1="-0.0600" k2="-0.2411" k3="0.1193"/>
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            <vignetting model="pa" focal="200" aperture="7.1" distance="10.8" k1="-0.1164" k2="-0.0355" k3="0.0013"/>
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            <vignetting model="pa" focal="200" aperture="10" distance="1000" k1="-0.1210" k2="-0.0640" k3="0.0788"/>
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            <vignetting model="pa" focal="200" aperture="14" distance="1000" k1="-0.1264" k2="-0.0551" k3="0.0752"/>
            <vignetting model="pa" focal="200" aperture="36" distance="1.8" k1="-0.1498" k2="-0.0082" k3="0.0501"/>
            <vignetting model="pa" focal="200" aperture="36" distance="3.6" k1="-0.1464" k2="-0.0168" k3="0.0554"/>
            <vignetting model="pa" focal="200" aperture="36" distance="10.8" k1="-0.1467" k2="-0.0164" k3="0.0547"/>
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            <vignetting model="pa" focal="250" aperture="5" distance="10.8" k1="-0.3364" k2="-0.3259" k3="0.2121"/>
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            <vignetting model="pa" focal="350" aperture="11" distance="1000" k1="-0.1563" k2="0.1621" k3="-0.1832"/>
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            <vignetting model="pa" focal="400" aperture="5.6" distance="3.6" k1="-0.9055" k2="0.4049" k3="-0.0516"/>
            <vignetting model="pa" focal="400" aperture="5.6" distance="10.8" k1="-1.0556" k2="0.8193" k3="-0.3192"/>
            <vignetting model="pa" focal="400" aperture="5.6" distance="1000" k1="-1.0517" k2="0.8373" k3="-0.3437"/>
            <vignetting model="pa" focal="400" aperture="8" distance="1.8" k1="0.0194" k2="-0.4692" k3="0.1535"/>
            <vignetting model="pa" focal="400" aperture="8" distance="3.6" k1="0.0644" k2="-0.8289" k3="0.4500"/>
            <vignetting model="pa" focal="400" aperture="8" distance="10.8" k1="-0.0141" k2="-0.8865" k3="0.5562"/>
            <vignetting model="pa" focal="400" aperture="8" distance="1000" k1="-0.0805" k2="-0.8175" k3="0.5407"/>
            <vignetting model="pa" focal="400" aperture="11" distance="1.8" k1="-0.1670" k2="0.1768" k3="-0.1638"/>
            <vignetting model="pa" focal="400" aperture="11" distance="3.6" k1="-0.1523" k2="0.1637" k3="-0.2005"/>
            <vignetting model="pa" focal="400" aperture="11" distance="10.8" k1="-0.1020" k2="0.0045" k3="-0.1288"/>
            <vignetting model="pa" focal="400" aperture="11" distance="1000" k1="-0.0736" k2="-0.1028" k3="-0.0676"/>
            <vignetting model="pa" focal="400" aperture="16" distance="1.8" k1="-0.1138" k2="-0.0600" k3="0.0754"/>
            <vignetting model="pa" focal="400" aperture="16" distance="3.6" k1="-0.1117" k2="-0.0637" k3="0.0776"/>
            <vignetting model="pa" focal="400" aperture="16" distance="10.8" k1="-0.1210" k2="-0.0428" k3="0.0639"/>
            <vignetting model="pa" focal="400" aperture="16" distance="1000" k1="-0.1314" k2="-0.0163" k3="0.0450"/>
            <vignetting model="pa" focal="400" aperture="40" distance="1.8" k1="-0.1268" k2="-0.0439" k3="0.0713"/>
            <vignetting model="pa" focal="400" aperture="40" distance="3.6" k1="-0.1273" k2="-0.0431" k3="0.0702"/>
            <vignetting model="pa" focal="400" aperture="40" distance="10.8" k1="-0.1383" k2="-0.0201" k3="0.0575"/>
            <vignetting model="pa" focal="400" aperture="40" distance="1000" k1="-0.1404" k2="-0.0142" k3="0.0530"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 100-400mm f/4.5-5.6L IS II USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="100" a="-0.00104" b="-0.00264" c="-0.00045"/>
            <distortion model="ptlens" focal="135" a="-0.0049" b="0.0167" c="-0.02249"/>
            <distortion model="ptlens" focal="200" a="0.00118" b="-0.00395" c="0.00649"/>
            <distortion model="ptlens" focal="300" a="-0.0007" b="0.00406" c="-0.00001"/>
            <distortion model="ptlens" focal="400" a="-0.00355" b="0.01547" c="-0.00989"/>
            <tca model="poly3" focal="100" vr="1.0000577" vb="1.0001939"/>
            <tca model="poly3" focal="135" vr="1.0000274" vb="1.0001208"/>
            <tca model="poly3" focal="200" vr="0.9999920" vb="1.0000585"/>
            <tca model="poly3" focal="300" vr="0.9999717" vb="1.0000282"/>
            <tca model="poly3" focal="400" vr="0.9999391" vb="1.0000137"/>
            <vignetting model="pa" focal="100" aperture="4.5" distance="10" k1="-0.5317" k2="0.5776" k3="-0.3664"/>
            <vignetting model="pa" focal="100" aperture="4.5" distance="1000" k1="-0.5317" k2="0.5776" k3="-0.3664"/>
            <vignetting model="pa" focal="100" aperture="5.6" distance="10" k1="-0.0722" k2="-0.1684" k3="0.0856"/>
            <vignetting model="pa" focal="100" aperture="5.6" distance="1000" k1="-0.0722" k2="-0.1684" k3="0.0856"/>
            <vignetting model="pa" focal="100" aperture="8" distance="10" k1="-0.0761" k2="0.1610" k3="-0.0549"/>
            <vignetting model="pa" focal="100" aperture="8" distance="1000" k1="-0.0761" k2="0.1610" k3="-0.0549"/>
            <vignetting model="pa" focal="100" aperture="11" distance="10" k1="-0.0852" k2="0.1859" k3="-0.0727"/>
            <vignetting model="pa" focal="100" aperture="11" distance="1000" k1="-0.0852" k2="0.1859" k3="-0.0727"/>
            <vignetting model="pa" focal="100" aperture="16" distance="10" k1="-0.0933" k2="0.2109" k3="-0.0895"/>
            <vignetting model="pa" focal="100" aperture="16" distance="1000" k1="-0.0933" k2="0.2109" k3="-0.0895"/>
            <vignetting model="pa" focal="100" aperture="22" distance="10" k1="-0.0867" k2="0.1789" k3="-0.0637"/>
            <vignetting model="pa" focal="100" aperture="22" distance="1000" k1="-0.0867" k2="0.1789" k3="-0.0637"/>
            <vignetting model="pa" focal="100" aperture="32" distance="10" k1="-0.0870" k2="0.1814" k3="-0.0657"/>
            <vignetting model="pa" focal="100" aperture="32" distance="1000" k1="-0.0870" k2="0.1814" k3="-0.0657"/>
            <vignetting model="pa" focal="135" aperture="5" distance="10" k1="-0.4238" k2="0.0814" k3="-0.0255"/>
            <vignetting model="pa" focal="135" aperture="5" distance="1000" k1="-0.4238" k2="0.0814" k3="-0.0255"/>
            <vignetting model="pa" focal="135" aperture="5.6" distance="10" k1="-0.0894" k2="-0.3342" k3="0.1694"/>
            <vignetting model="pa" focal="135" aperture="5.6" distance="1000" k1="-0.0894" k2="-0.3342" k3="0.1694"/>
            <vignetting model="pa" focal="135" aperture="8" distance="10" k1="-0.0684" k2="-0.0132" k3="0.0366"/>
            <vignetting model="pa" focal="135" aperture="8" distance="1000" k1="-0.0684" k2="-0.0132" k3="0.0366"/>
            <vignetting model="pa" focal="135" aperture="11" distance="10" k1="-0.0697" k2="-0.0032" k3="0.0280"/>
            <vignetting model="pa" focal="135" aperture="11" distance="1000" k1="-0.0697" k2="-0.0032" k3="0.0280"/>
            <vignetting model="pa" focal="135" aperture="16" distance="10" k1="-0.0687" k2="-0.0032" k3="0.0253"/>
            <vignetting model="pa" focal="135" aperture="16" distance="1000" k1="-0.0687" k2="-0.0032" k3="0.0253"/>
            <vignetting model="pa" focal="135" aperture="22" distance="10" k1="-0.0713" k2="0.0012" k3="0.0244"/>
            <vignetting model="pa" focal="135" aperture="22" distance="1000" k1="-0.0713" k2="0.0012" k3="0.0244"/>
            <vignetting model="pa" focal="135" aperture="32" distance="10" k1="-0.0598" k2="-0.0316" k3="0.0472"/>
            <vignetting model="pa" focal="135" aperture="32" distance="1000" k1="-0.0598" k2="-0.0316" k3="0.0472"/>
            <vignetting model="pa" focal="200" aperture="5" distance="10" k1="-0.4423" k2="-0.0793" k3="0.0938"/>
            <vignetting model="pa" focal="200" aperture="5" distance="1000" k1="-0.4423" k2="-0.0793" k3="0.0938"/>
            <vignetting model="pa" focal="200" aperture="5.6" distance="10" k1="0.0269" k2="-0.7742" k3="0.3792"/>
            <vignetting model="pa" focal="200" aperture="5.6" distance="1000" k1="0.0269" k2="-0.7742" k3="0.3792"/>
            <vignetting model="pa" focal="200" aperture="8" distance="10" k1="-0.1523" k2="0.2404" k3="-0.1558"/>
            <vignetting model="pa" focal="200" aperture="8" distance="1000" k1="-0.1523" k2="0.2404" k3="-0.1558"/>
            <vignetting model="pa" focal="200" aperture="11" distance="10" k1="-0.1181" k2="0.1141" k3="-0.0424"/>
            <vignetting model="pa" focal="200" aperture="11" distance="1000" k1="-0.1181" k2="0.1141" k3="-0.0424"/>
            <vignetting model="pa" focal="200" aperture="16" distance="10" k1="-0.1128" k2="0.0962" k3="-0.0307"/>
            <vignetting model="pa" focal="200" aperture="16" distance="1000" k1="-0.1128" k2="0.0962" k3="-0.0307"/>
            <vignetting model="pa" focal="200" aperture="22" distance="10" k1="-0.1138" k2="0.0876" k3="-0.0246"/>
            <vignetting model="pa" focal="200" aperture="22" distance="1000" k1="-0.1138" k2="0.0876" k3="-0.0246"/>
            <vignetting model="pa" focal="200" aperture="32" distance="10" k1="-0.1122" k2="0.0816" k3="-0.0175"/>
            <vignetting model="pa" focal="200" aperture="32" distance="1000" k1="-0.1122" k2="0.0816" k3="-0.0175"/>
            <vignetting model="pa" focal="200" aperture="36" distance="10" k1="-0.0980" k2="0.0412" k3="0.0059"/>
            <vignetting model="pa" focal="200" aperture="36" distance="1000" k1="-0.0980" k2="0.0412" k3="0.0059"/>
            <vignetting model="pa" focal="300" aperture="5" distance="10" k1="-0.3212" k2="-0.8003" k3="0.5791"/>
            <vignetting model="pa" focal="300" aperture="5" distance="1000" k1="-0.3212" k2="-0.8003" k3="0.5791"/>
            <vignetting model="pa" focal="300" aperture="5.6" distance="10" k1="-0.3104" k2="-0.7014" k3="0.5011"/>
            <vignetting model="pa" focal="300" aperture="5.6" distance="1000" k1="-0.3104" k2="-0.7014" k3="0.5011"/>
            <vignetting model="pa" focal="300" aperture="8" distance="10" k1="0.0814" k2="-0.6119" k3="0.2428"/>
            <vignetting model="pa" focal="300" aperture="8" distance="1000" k1="0.0814" k2="-0.6119" k3="0.2428"/>
            <vignetting model="pa" focal="300" aperture="11" distance="10" k1="-0.1490" k2="0.2713" k3="-0.2516"/>
            <vignetting model="pa" focal="300" aperture="11" distance="1000" k1="-0.1490" k2="0.2713" k3="-0.2516"/>
            <vignetting model="pa" focal="300" aperture="16" distance="10" k1="-0.1043" k2="0.0510" k3="-0.0076"/>
            <vignetting model="pa" focal="300" aperture="16" distance="1000" k1="-0.1043" k2="0.0510" k3="-0.0076"/>
            <vignetting model="pa" focal="300" aperture="22" distance="10" k1="-0.1058" k2="0.0494" k3="-0.0056"/>
            <vignetting model="pa" focal="300" aperture="22" distance="1000" k1="-0.1058" k2="0.0494" k3="-0.0056"/>
            <vignetting model="pa" focal="300" aperture="32" distance="10" k1="-0.1131" k2="0.0536" k3="-0.0066"/>
            <vignetting model="pa" focal="300" aperture="32" distance="1000" k1="-0.1131" k2="0.0536" k3="-0.0066"/>
            <vignetting model="pa" focal="300" aperture="36" distance="10" k1="-0.1104" k2="0.0327" k3="0.0117"/>
            <vignetting model="pa" focal="300" aperture="36" distance="1000" k1="-0.1104" k2="0.0327" k3="0.0117"/>
            <vignetting model="pa" focal="400" aperture="5.6" distance="10" k1="-0.4438" k2="-0.5109" k3="0.3846"/>
            <vignetting model="pa" focal="400" aperture="5.6" distance="1000" k1="-0.4438" k2="-0.5109" k3="0.3846"/>
            <vignetting model="pa" focal="400" aperture="8" distance="10" k1="-0.0108" k2="-0.8651" k3="0.5329"/>
            <vignetting model="pa" focal="400" aperture="8" distance="1000" k1="-0.0108" k2="-0.8651" k3="0.5329"/>
            <vignetting model="pa" focal="400" aperture="11" distance="10" k1="-0.0439" k2="-0.0794" k3="-0.0897"/>
            <vignetting model="pa" focal="400" aperture="11" distance="1000" k1="-0.0439" k2="-0.0794" k3="-0.0897"/>
            <vignetting model="pa" focal="400" aperture="16" distance="10" k1="-0.0948" k2="0.0159" k3="0.0036"/>
            <vignetting model="pa" focal="400" aperture="16" distance="1000" k1="-0.0948" k2="0.0159" k3="0.0036"/>
            <vignetting model="pa" focal="400" aperture="22" distance="10" k1="-0.0909" k2="-0.0043" k3="0.0231"/>
            <vignetting model="pa" focal="400" aperture="22" distance="1000" k1="-0.0909" k2="-0.0043" k3="0.0231"/>
            <vignetting model="pa" focal="400" aperture="32" distance="10" k1="-0.1076" k2="0.0198" k3="0.0116"/>
            <vignetting model="pa" focal="400" aperture="32" distance="1000" k1="-0.1076" k2="0.0198" k3="0.0116"/>
            <vignetting model="pa" focal="400" aperture="40" distance="10" k1="-0.1137" k2="0.0161" k3="0.0167"/>
            <vignetting model="pa" focal="400" aperture="40" distance="1000" k1="-0.1137" k2="0.0161" k3="0.0167"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 100-400mm f/4.5-5.6L IS II USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1.613</cropfactor>
        <calibration>
            <!-- Taken with Canon 750D -->
            <vignetting model="pa" focal="100" aperture="4.5" distance="10" k1="-0.3779" k2="0.2881" k3="-0.1256"/>
            <vignetting model="pa" focal="100" aperture="4.5" distance="1000" k1="-0.3779" k2="0.2881" k3="-0.1256"/>
            <vignetting model="pa" focal="100" aperture="6.3" distance="10" k1="-0.0548" k2="-0.1082" k3="0.0689"/>
            <vignetting model="pa" focal="100" aperture="6.3" distance="1000" k1="-0.0548" k2="-0.1082" k3="0.0689"/>
            <vignetting model="pa" focal="100" aperture="13" distance="10" k1="-0.0585" k2="-0.0992" k3="0.0635"/>
            <vignetting model="pa" focal="100" aperture="13" distance="1000" k1="-0.0585" k2="-0.0992" k3="0.0635"/>
            <vignetting model="pa" focal="100" aperture="18" distance="10" k1="-0.0597" k2="-0.0974" k3="0.0622"/>
            <vignetting model="pa" focal="100" aperture="18" distance="1000" k1="-0.0597" k2="-0.0974" k3="0.0622"/>
            <vignetting model="pa" focal="100" aperture="32" distance="10" k1="-0.0583" k2="-0.1019" k3="0.0652"/>
            <vignetting model="pa" focal="100" aperture="32" distance="1000" k1="-0.0583" k2="-0.1019" k3="0.0652"/>
            <vignetting model="pa" focal="135" aperture="5" distance="10" k1="-0.2646" k2="0.0521" k3="0.0033"/>
            <vignetting model="pa" focal="135" aperture="5" distance="1000" k1="-0.2646" k2="0.0521" k3="0.0033"/>
            <vignetting model="pa" focal="135" aperture="7.1" distance="10" k1="-0.0526" k2="-0.1094" k3="0.0694"/>
            <vignetting model="pa" focal="135" aperture="7.1" distance="1000" k1="-0.0526" k2="-0.1094" k3="0.0694"/>
            <vignetting model="pa" focal="135" aperture="10" distance="10" k1="-0.0572" k2="-0.1002" k3="0.0658"/>
            <vignetting model="pa" focal="135" aperture="10" distance="1000" k1="-0.0572" k2="-0.1002" k3="0.0658"/>
            <vignetting model="pa" focal="135" aperture="14" distance="10" k1="-0.0577" k2="-0.1037" k3="0.0703"/>
            <vignetting model="pa" focal="135" aperture="14" distance="1000" k1="-0.0577" k2="-0.1037" k3="0.0703"/>
            <vignetting model="pa" focal="135" aperture="32" distance="10" k1="-0.0558" k2="-0.1131" k3="0.0777"/>
            <vignetting model="pa" focal="135" aperture="32" distance="1000" k1="-0.0558" k2="-0.1131" k3="0.0777"/>
            <vignetting model="pa" focal="200" aperture="5" distance="10" k1="-0.0997" k2="-0.3582" k3="0.2376"/>
            <vignetting model="pa" focal="200" aperture="5" distance="1000" k1="-0.0997" k2="-0.3582" k3="0.2376"/>
            <vignetting model="pa" focal="200" aperture="7.1" distance="10" k1="-0.0488" k2="-0.1214" k3="0.0772"/>
            <vignetting model="pa" focal="200" aperture="7.1" distance="1000" k1="-0.0488" k2="-0.1214" k3="0.0772"/>
            <vignetting model="pa" focal="200" aperture="10" distance="10" k1="-0.0492" k2="-0.1167" k3="0.0752"/>
            <vignetting model="pa" focal="200" aperture="10" distance="1000" k1="-0.0492" k2="-0.1167" k3="0.0752"/>
            <vignetting model="pa" focal="200" aperture="14" distance="10" k1="-0.0536" k2="-0.1060" k3="0.0694"/>
            <vignetting model="pa" focal="200" aperture="14" distance="1000" k1="-0.0536" k2="-0.1060" k3="0.0694"/>
            <vignetting model="pa" focal="200" aperture="36" distance="10" k1="-0.0592" k2="-0.1024" k3="0.0714"/>
            <vignetting model="pa" focal="200" aperture="36" distance="1000" k1="-0.0592" k2="-0.1024" k3="0.0714"/>
            <vignetting model="pa" focal="300" aperture="5" distance="10" k1="-0.1156" k2="-0.2606" k3="0.1154"/>
            <vignetting model="pa" focal="300" aperture="5" distance="1000" k1="-0.1156" k2="-0.2606" k3="0.1154"/>
            <vignetting model="pa" focal="300" aperture="7.1" distance="10" k1="-0.0649" k2="-0.0669" k3="0.0190"/>
            <vignetting model="pa" focal="300" aperture="7.1" distance="1000" k1="-0.0649" k2="-0.0669" k3="0.0190"/>
            <vignetting model="pa" focal="300" aperture="10" distance="10" k1="-0.0492" k2="-0.1244" k3="0.0790"/>
            <vignetting model="pa" focal="300" aperture="10" distance="1000" k1="-0.0492" k2="-0.1244" k3="0.0790"/>
            <vignetting model="pa" focal="300" aperture="14" distance="10" k1="-0.0490" k2="-0.1194" k3="0.0752"/>
            <vignetting model="pa" focal="300" aperture="14" distance="1000" k1="-0.0490" k2="-0.1194" k3="0.0752"/>
            <vignetting model="pa" focal="300" aperture="36" distance="10" k1="-0.0541" k2="-0.1154" k3="0.0777"/>
            <vignetting model="pa" focal="300" aperture="36" distance="1000" k1="-0.0541" k2="-0.1154" k3="0.0777"/>
            <vignetting model="pa" focal="400" aperture="5.6" distance="10" k1="-0.3365" k2="0.0926" k3="-0.0356"/>
            <vignetting model="pa" focal="400" aperture="5.6" distance="1000" k1="-0.3365" k2="0.0926" k3="-0.0356"/>
            <vignetting model="pa" focal="400" aperture="8" distance="10" k1="-0.0310" k2="-0.1744" k3="0.0466"/>
            <vignetting model="pa" focal="400" aperture="8" distance="1000" k1="-0.0310" k2="-0.1744" k3="0.0466"/>
            <vignetting model="pa" focal="400" aperture="11" distance="10" k1="-0.0555" k2="-0.1193" k3="0.0753"/>
            <vignetting model="pa" focal="400" aperture="11" distance="1000" k1="-0.0555" k2="-0.1193" k3="0.0753"/>
            <vignetting model="pa" focal="400" aperture="16" distance="10" k1="-0.0528" k2="-0.1224" k3="0.0773"/>
            <vignetting model="pa" focal="400" aperture="16" distance="1000" k1="-0.0528" k2="-0.1224" k3="0.0773"/>
            <vignetting model="pa" focal="400" aperture="40" distance="10" k1="-0.0619" k2="-0.1071" k3="0.0725"/>
            <vignetting model="pa" focal="400" aperture="40" distance="1000" k1="-0.0619" k2="-0.1071" k3="0.0725"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 24mm f/1.4L USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="24" a="0.013378" b="-0.028367" c="0"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 24mm f/2.8</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="24" a="0.017412" b="-0.039315" c="0"/>
            <!-- Taken with Canon 5D -->
            <vignetting model="pa" focal="24" aperture="2.8" distance="10" k1="-1.9042" k2="1.8775" k3="-0.7656"/>
            <vignetting model="pa" focal="24" aperture="2.8" distance="1000" k1="-1.9042" k2="1.8775" k3="-0.7656"/>
            <vignetting model="pa" focal="24" aperture="4" distance="10" k1="-0.3786" k2="-0.8590" k3="0.5975"/>
            <vignetting model="pa" focal="24" aperture="4" distance="1000" k1="-0.3786" k2="-0.8590" k3="0.5975"/>
            <vignetting model="pa" focal="24" aperture="5.6" distance="10" k1="-0.5720" k2="0.1848" k3="-0.0872"/>
            <vignetting model="pa" focal="24" aperture="5.6" distance="1000" k1="-0.5720" k2="0.1848" k3="-0.0872"/>
            <vignetting model="pa" focal="24" aperture="8" distance="10" k1="-0.5534" k2="0.0775" k3="0.0466"/>
            <vignetting model="pa" focal="24" aperture="8" distance="1000" k1="-0.5534" k2="0.0775" k3="0.0466"/>
            <vignetting model="pa" focal="24" aperture="11" distance="10" k1="-0.5601" k2="0.0867" k3="0.0430"/>
            <vignetting model="pa" focal="24" aperture="11" distance="1000" k1="-0.5601" k2="0.0867" k3="0.0430"/>
            <vignetting model="pa" focal="24" aperture="16" distance="10" k1="-0.5673" k2="0.0970" k3="0.0386"/>
            <vignetting model="pa" focal="24" aperture="16" distance="1000" k1="-0.5673" k2="0.0970" k3="0.0386"/>
            <vignetting model="pa" focal="24" aperture="22" distance="10" k1="-0.5737" k2="0.1049" k3="0.0356"/>
            <vignetting model="pa" focal="24" aperture="22" distance="1000" k1="-0.5737" k2="0.1049" k3="0.0356"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 28mm f/1.8</model>
        <mount>Canon EF</mount>
        <!-- Average crop factor of Canon APS-C cameras -->
        <cropfactor>1.611</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="28" a="0.001175" b="-0.006534" c="0"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 28mm f/1.8 USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="28" a="0.018" b="-0.048" c="0.019"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 28mm f/2.8</model>
        <mount>Canon EF</mount>
        <cropfactor>1.613</cropfactor>
        <calibration>
            <!-- Taken with Canon 80D -->
            <distortion model="ptlens" focal="28" a="0.00722795" b="-0.030605" c="0.0252339"/>
            <tca model="poly3" focal="28" vr="1.0004854" vb="0.9998210"/>
            <vignetting model="pa" focal="28" aperture="2.8" distance="10" k1="-0.8561" k2="0.6569" k3="-0.2468"/>
            <vignetting model="pa" focal="28" aperture="2.8" distance="1000" k1="-0.8561" k2="0.6569" k3="-0.2468"/>
            <vignetting model="pa" focal="28" aperture="4" distance="10" k1="-0.1286" k2="-0.2482" k3="0.1311"/>
            <vignetting model="pa" focal="28" aperture="4" distance="1000" k1="-0.1286" k2="-0.2482" k3="0.1311"/>
            <vignetting model="pa" focal="28" aperture="5.6" distance="10" k1="-0.1732" k2="-0.0658" k3="0.0642"/>
            <vignetting model="pa" focal="28" aperture="5.6" distance="1000" k1="-0.1732" k2="-0.0658" k3="0.0642"/>
            <vignetting model="pa" focal="28" aperture="8" distance="10" k1="-0.1721" k2="-0.0640" k3="0.0622"/>
            <vignetting model="pa" focal="28" aperture="8" distance="1000" k1="-0.1721" k2="-0.0640" k3="0.0622"/>
            <vignetting model="pa" focal="28" aperture="11" distance="10" k1="-0.1658" k2="-0.0784" k3="0.0700"/>
            <vignetting model="pa" focal="28" aperture="11" distance="1000" k1="-0.1658" k2="-0.0784" k3="0.0700"/>
            <vignetting model="pa" focal="28" aperture="16" distance="10" k1="-0.1705" k2="-0.0643" k3="0.0589"/>
            <vignetting model="pa" focal="28" aperture="16" distance="1000" k1="-0.1705" k2="-0.0643" k3="0.0589"/>
            <vignetting model="pa" focal="28" aperture="22" distance="10" k1="-0.1691" k2="-0.0717" k3="0.0635"/>
            <vignetting model="pa" focal="28" aperture="22" distance="1000" k1="-0.1691" k2="-0.0717" k3="0.0635"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 35mm f/2</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="35" a="0.007768" b="-0.018685" c="0"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 50mm f/1.2L USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="50" a="0.00476" b="-0.01688" c="0.00748"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 50mm f/1.4 USM</model>
        <mount>Canon EF</mount>
        <!-- Average crop factor of Canon APS-C cameras -->
        <cropfactor>1.611</cropfactor>
        <calibration>
            <distortion model="poly3" focal="50" k1="-0.002987"/>
            <!-- Taken with Canon EOS 80D -->
            <tca model="poly3" focal="50" vr="1.0000985" vb="0.9999668"/>
            <vignetting model="pa" focal="50.0" aperture="1.4" distance="10" k1="-0.7542822" k2="0.6448059" k3="-0.3276299"/>
            <vignetting model="pa" focal="50.0" aperture="1.4" distance="1000" k1="-0.7542822" k2="0.6448059" k3="-0.3276299"/>
            <vignetting model="pa" focal="50.0" aperture="2.0" distance="10" k1="-0.1211743" k2="0.1201468" k3="-0.1670363"/>
            <vignetting model="pa" focal="50.0" aperture="2.0" distance="1000" k1="-0.1211743" k2="0.1201468" k3="-0.1670363"/>
            <vignetting model="pa" focal="50.0" aperture="2.8" distance="10" k1="-0.0822031" k2="-0.0356057" k3="0.0313640"/>
            <vignetting model="pa" focal="50.0" aperture="2.8" distance="1000" k1="-0.0822031" k2="-0.0356057" k3="0.0313640"/>
            <vignetting model="pa" focal="50.0" aperture="4.0" distance="10" k1="-0.0829779" k2="-0.0262107" k3="0.0273081"/>
            <vignetting model="pa" focal="50.0" aperture="4.0" distance="1000" k1="-0.0829779" k2="-0.0262107" k3="0.0273081"/>
            <vignetting model="pa" focal="50.0" aperture="5.6" distance="10" k1="-0.0848221" k2="-0.0169404" k3="0.0221998"/>
            <vignetting model="pa" focal="50.0" aperture="5.6" distance="1000" k1="-0.0848221" k2="-0.0169404" k3="0.0221998"/>
            <vignetting model="pa" focal="50.0" aperture="8.0" distance="10" k1="-0.0825086" k2="-0.0269795" k3="0.0304607"/>
            <vignetting model="pa" focal="50.0" aperture="8.0" distance="1000" k1="-0.0825086" k2="-0.0269795" k3="0.0304607"/>
            <vignetting model="pa" focal="50.0" aperture="11.0" distance="10" k1="-0.0847696" k2="-0.0156440" k3="0.0175742"/>
            <vignetting model="pa" focal="50.0" aperture="11.0" distance="1000" k1="-0.0847696" k2="-0.0156440" k3="0.0175742"/>
            <vignetting model="pa" focal="50.0" aperture="16.0" distance="10" k1="-0.0836595" k2="-0.0235162" k3="0.0227578"/>
            <vignetting model="pa" focal="50.0" aperture="16.0" distance="1000" k1="-0.0836595" k2="-0.0235162" k3="0.0227578"/>
            <vignetting model="pa" focal="50.0" aperture="22.0" distance="10" k1="-0.0851715" k2="-0.0277210" k3="0.0285127"/>
            <vignetting model="pa" focal="50.0" aperture="22.0" distance="1000" k1="-0.0851715" k2="-0.0277210" k3="0.0285127"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 50mm f/1.8</model>
        <mount>Canon EF</mount>
        <!-- Average crop factor of Canon APS-H cameras -->
        <cropfactor>1.267</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="50" a="-0.00016" b="-0.003951" c="0"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 50mm f/1.8</model>
        <mount>Canon EF</mount>
        <cropfactor>1.613</cropfactor>
        <calibration>
            <!-- Taken with Canon 650D -->
            <distortion model="poly3" focal="50" k1="-0.00149"/>
            <tca model="poly3" focal="50" vr="1.0000033" vb="0.9999942"/>
            <vignetting model="pa" focal="50" aperture="1.8" distance="10" k1="-0.8917" k2="0.6906" k3="-0.2492"/>
            <vignetting model="pa" focal="50" aperture="1.8" distance="1000" k1="-0.8917" k2="0.6906" k3="-0.2492"/>
            <vignetting model="pa" focal="50" aperture="2.8" distance="10" k1="-0.1030" k2="-0.0537" k3="0.0306"/>
            <vignetting model="pa" focal="50" aperture="2.8" distance="1000" k1="-0.1030" k2="-0.0537" k3="0.0306"/>
            <vignetting model="pa" focal="50" aperture="4" distance="10" k1="-0.0827" k2="-0.0989" k3="0.0752"/>
            <vignetting model="pa" focal="50" aperture="4" distance="1000" k1="-0.0827" k2="-0.0989" k3="0.0752"/>
            <vignetting model="pa" focal="50" aperture="5.6" distance="10" k1="-0.0933" k2="-0.0782" k3="0.0617"/>
            <vignetting model="pa" focal="50" aperture="5.6" distance="1000" k1="-0.0933" k2="-0.0782" k3="0.0617"/>
            <vignetting model="pa" focal="50" aperture="8" distance="10" k1="-0.0829" k2="-0.1075" k3="0.0839"/>
            <vignetting model="pa" focal="50" aperture="8" distance="1000" k1="-0.0829" k2="-0.1075" k3="0.0839"/>
            <vignetting model="pa" focal="50" aperture="11" distance="10" k1="-0.0951" k2="-0.0830" k3="0.0665"/>
            <vignetting model="pa" focal="50" aperture="11" distance="1000" k1="-0.0951" k2="-0.0830" k3="0.0665"/>
            <vignetting model="pa" focal="50" aperture="16" distance="10" k1="-0.1052" k2="-0.0672" k3="0.0577"/>
            <vignetting model="pa" focal="50" aperture="16" distance="1000" k1="-0.1052" k2="-0.0672" k3="0.0577"/>
            <vignetting model="pa" focal="50" aperture="22" distance="10" k1="-0.1179" k2="-0.0529" k3="0.0528"/>
            <vignetting model="pa" focal="50" aperture="22" distance="1000" k1="-0.1179" k2="-0.0529" k3="0.0528"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 50mm f/1.8 MkII</model>
        <model lang="en">Canon EF 50mm f/1.8 II</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="50" a="0.00163" b="-0.01449" c="0.01568"/>
            <!-- Taken with Canon 6D -->
            <tca model="poly3" focal="50" br="-0.0000048" vr="1.0000353" bb="-0.0000112" vb="1.0000073"/>
            <!-- Taken with Canon 5D -->
            <vignetting model="pa" focal="50" aperture="1.8" distance="10" k1="-1.4745" k2="1.1285" k3="-0.4284"/>
            <vignetting model="pa" focal="50" aperture="1.8" distance="1000" k1="-1.4745" k2="1.1285" k3="-0.4284"/>
            <vignetting model="pa" focal="50" aperture="2" distance="10" k1="-0.6486" k2="-0.6256" k3="0.5536"/>
            <vignetting model="pa" focal="50" aperture="2" distance="1000" k1="-0.6486" k2="-0.6256" k3="0.5536"/>
            <vignetting model="pa" focal="50" aperture="2.8" distance="10" k1="-0.1193" k2="-0.4620" k3="0.0523"/>
            <vignetting model="pa" focal="50" aperture="2.8" distance="1000" k1="-0.1193" k2="-0.4620" k3="0.0523"/>
            <vignetting model="pa" focal="50" aperture="4" distance="10" k1="-0.3777" k2="0.3437" k3="-0.2804"/>
            <vignetting model="pa" focal="50" aperture="4" distance="1000" k1="-0.3777" k2="0.3437" k3="-0.2804"/>
            <vignetting model="pa" focal="50" aperture="5.6" distance="10" k1="-0.3032" k2="0.0141" k3="0.0427"/>
            <vignetting model="pa" focal="50" aperture="5.6" distance="1000" k1="-0.3032" k2="0.0141" k3="0.0427"/>
            <vignetting model="pa" focal="50" aperture="8" distance="10" k1="-0.3008" k2="-0.0022" k3="0.0549"/>
            <vignetting model="pa" focal="50" aperture="8" distance="1000" k1="-0.3008" k2="-0.0022" k3="0.0549"/>
            <vignetting model="pa" focal="50" aperture="11" distance="10" k1="-0.3046" k2="-0.0055" k3="0.0597"/>
            <vignetting model="pa" focal="50" aperture="11" distance="1000" k1="-0.3046" k2="-0.0055" k3="0.0597"/>
            <vignetting model="pa" focal="50" aperture="16" distance="10" k1="-0.3134" k2="0.0020" k3="0.0567"/>
            <vignetting model="pa" focal="50" aperture="16" distance="1000" k1="-0.3134" k2="0.0020" k3="0.0567"/>
            <vignetting model="pa" focal="50" aperture="22" distance="10" k1="-0.3280" k2="0.0203" k3="0.0468"/>
            <vignetting model="pa" focal="50" aperture="22" distance="1000" k1="-0.3280" k2="0.0203" k3="0.0468"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 50mm f/1.8 MkII</model>
        <model lang="en">Canon EF 50mm f/1.8 II</model>
        <mount>Canon EF</mount>
        <!-- Average crop factor of Canon APS-H cameras -->
        <cropfactor>1.267</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="50" a="-0.00016" b="-0.003951" c="0"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 50mm f/1.8 MkII</model>
        <model lang="en">Canon EF 50mm f/1.8 II</model>
        <mount>Canon EF</mount>
        <cropfactor>1.622</cropfactor>
        <calibration>
            <!-- Taken with generic Canon APS-C (avg crop 1.611) -->
            <distortion a="0.00099" b="-0.00582" c="0.00498" focal="50" model="ptlens"/>
            <tca bb="-0.0000082" br="-0.0000133" focal="50" model="poly3" vb="0.9999807" vr="1.0001567"/>
            <!-- Taken with cropfactor 1.622 (Canon 50D or 450D) -->
            <vignetting model="pa" focal="50" aperture="1.8" distance="0.45" k1="-0.5303" k2="0.3040" k3="-0.0894"/>
            <vignetting model="pa" focal="50" aperture="1.8" distance="1000" k1="-0.6075" k2="0.4041" k3="-0.1510"/>
            <vignetting model="pa" focal="50" aperture="2" distance="0.45" k1="-0.1253" k2="-0.3078" k3="0.2075"/>
            <vignetting model="pa" focal="50" aperture="2" distance="1000" k1="-0.1158" k2="-0.4426" k3="0.2807"/>
            <vignetting model="pa" focal="50" aperture="2.8" distance="0.45" k1="-0.0555" k2="-0.0933" k3="0.0895"/>
            <vignetting model="pa" focal="50" aperture="2.8" distance="1000" k1="-0.0709" k2="-0.0230" k3="0.0153"/>
            <vignetting model="pa" focal="50" aperture="4" distance="0.45" k1="-0.0489" k2="-0.0982" k3="0.0898"/>
            <vignetting model="pa" focal="50" aperture="4" distance="1000" k1="-0.0343" k2="-0.1369" k3="0.1000"/>
            <vignetting model="pa" focal="50" aperture="5.6" distance="0.45" k1="-0.0361" k2="-0.1243" k3="0.1058"/>
            <vignetting model="pa" focal="50" aperture="5.6" distance="1000" k1="-0.0241" k2="-0.1630" k3="0.1172"/>
            <vignetting model="pa" focal="50" aperture="22" distance="0.45" k1="-0.0257" k2="-0.1353" k3="0.1025"/>
            <vignetting model="pa" focal="50" aperture="22" distance="1000" k1="-0.0561" k2="-0.0873" k3="0.0654"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon FDn 50mm 1:1.4</model>
        <mount>Canon FD</mount>
        <focal value="50"/>
        <aperture min="1.4" max="22"/>
        <cropfactor>2</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="50" a="-0.000919817" b="0.00112022" c="-0.00289404"/>
            <tca model="poly3" focal="50" br="-0.0000338" vr="1.0002152" bb="0.0000216" vb="0.9998764"/>
            <vignetting model="pa" focal="50" aperture="1.4" distance="0.45" k1="-0.2747" k2="-0.1546" k3="0.1527"/>
            <vignetting model="pa" focal="50" aperture="1.4" distance="1" k1="-0.5692" k2="0.3348" k3="-0.1042"/>
            <vignetting model="pa" focal="50" aperture="1.4" distance="3" k1="-0.6686" k2="0.5132" k3="-0.2054"/>
            <vignetting model="pa" focal="50" aperture="1.4" distance="1000" k1="-0.6918" k2="0.5512" k3="-0.2278"/>
            <vignetting model="pa" focal="50" aperture="2" distance="0.45" k1="-0.0668" k2="0.0029" k3="-0.0171"/>
            <vignetting model="pa" focal="50" aperture="2" distance="1" k1="-0.0725" k2="-0.0250" k3="0.0104"/>
            <vignetting model="pa" focal="50" aperture="2" distance="3" k1="-0.0748" k2="-0.0428" k3="0.0297"/>
            <vignetting model="pa" focal="50" aperture="2" distance="1000" k1="-0.0782" k2="-0.0459" k3="0.0329"/>
            <vignetting model="pa" focal="50" aperture="2.8" distance="0.45" k1="-0.0604" k2="-0.0194" k3="0.0045"/>
            <vignetting model="pa" focal="50" aperture="2.8" distance="1" k1="-0.0732" k2="-0.0241" k3="0.0120"/>
            <vignetting model="pa" focal="50" aperture="2.8" distance="3" k1="-0.0832" k2="-0.0198" k3="0.0121"/>
            <vignetting model="pa" focal="50" aperture="2.8" distance="1000" k1="-0.0824" k2="-0.0342" k3="0.0223"/>
            <vignetting model="pa" focal="50" aperture="4" distance="0.45" k1="-0.0694" k2="-0.0016" k3="-0.0078"/>
            <vignetting model="pa" focal="50" aperture="4" distance="1" k1="-0.0828" k2="0.0019" k3="-0.0081"/>
            <vignetting model="pa" focal="50" aperture="4" distance="3" k1="-0.0919" k2="-0.0002" k3="-0.0022"/>
            <vignetting model="pa" focal="50" aperture="4" distance="1000" k1="-0.0919" k2="-0.0064" k3="0.0028"/>
            <vignetting model="pa" focal="50" aperture="22" distance="0.45" k1="-0.1151" k2="0.1018" k3="-0.0809"/>
            <vignetting model="pa" focal="50" aperture="22" distance="1" k1="-0.1117" k2="0.0668" k3="-0.0536"/>
            <vignetting model="pa" focal="50" aperture="22" distance="3" k1="-0.1539" k2="0.1340" k3="-0.0892"/>
            <vignetting model="pa" focal="50" aperture="22" distance="1000" k1="-0.1587" k2="0.1348" k3="-0.0874"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon FDn 50mm 1:1.4</model>
        <mount>Canon FD</mount>
        <cropfactor>1.534</cropfactor>
        <calibration>
            <!-- Taken with Sony A6000 -->
            <distortion model="poly3" focal="50" k1="-0.00193"/>
            <tca model="poly3" focal="50" vr="1.0000929" vb="0.9999371"/>
            <vignetting model="pa" focal="50" aperture="1.4" distance="10" k1="-0.8147" k2="0.5637" k3="-0.2255"/>
            <vignetting model="pa" focal="50" aperture="1.4" distance="1000" k1="-0.8147" k2="0.5637" k3="-0.2255"/>
            <vignetting model="pa" focal="50" aperture="2" distance="10" k1="-0.1847" k2="-0.0526" k3="-0.0565"/>
            <vignetting model="pa" focal="50" aperture="2" distance="1000" k1="-0.1847" k2="-0.0526" k3="-0.0565"/>
            <vignetting model="pa" focal="50" aperture="2.8" distance="10" k1="-0.2140" k2="0.0826" k3="-0.0501"/>
            <vignetting model="pa" focal="50" aperture="2.8" distance="1000" k1="-0.2140" k2="0.0826" k3="-0.0501"/>
            <vignetting model="pa" focal="50" aperture="4" distance="10" k1="-0.2114" k2="0.1048" k3="-0.0633"/>
            <vignetting model="pa" focal="50" aperture="4" distance="1000" k1="-0.2114" k2="0.1048" k3="-0.0633"/>
            <vignetting model="pa" focal="50" aperture="5.6" distance="10" k1="-0.1889" k2="0.0438" k3="-0.0272"/>
            <vignetting model="pa" focal="50" aperture="5.6" distance="1000" k1="-0.1889" k2="0.0438" k3="-0.0272"/>
            <vignetting model="pa" focal="50" aperture="8" distance="10" k1="-0.2053" k2="0.0925" k3="-0.0585"/>
            <vignetting model="pa" focal="50" aperture="8" distance="1000" k1="-0.2053" k2="0.0925" k3="-0.0585"/>
            <vignetting model="pa" focal="50" aperture="11" distance="10" k1="-0.2168" k2="0.1430" k3="-0.0787"/>
            <vignetting model="pa" focal="50" aperture="11" distance="1000" k1="-0.2168" k2="0.1430" k3="-0.0787"/>
            <vignetting model="pa" focal="50" aperture="16" distance="10" k1="-0.2350" k2="0.1801" k3="-0.1032"/>
            <vignetting model="pa" focal="50" aperture="16" distance="1000" k1="-0.2350" k2="0.1801" k3="-0.1032"/>
            <vignetting model="pa" focal="50" aperture="22" distance="10" k1="-0.2501" k2="0.2036" k3="-0.1149"/>
            <vignetting model="pa" focal="50" aperture="22" distance="1000" k1="-0.2501" k2="0.2036" k3="-0.1149"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF-S 60mm f/2.8 Macro USM</model>
        <mount>Canon EF-S</mount>
        <!-- Average crop factor of Canon APS-C cameras -->
        <cropfactor>1.611</cropfactor>
        <calibration>
            <distortion model="poly3" focal="60" k1="0"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 85mm f/1.2L USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <distortion model="poly3" focal="85" k1="-0.00214"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 85mm f/1.8 USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="85" a="-0.000989" b="-0.002335" c="0"/>
            <!-- Taken with Canon 5D Mark III -->
            <tca model="poly3" focal="85" br="-0.0000287" vr="1.0001408" bb="0.0000182" vb="0.9998642"/>
            <vignetting model="pa" focal="85" aperture="1.8" distance="10" k1="-1.4465" k2="1.4135" k3="-0.6464"/>
            <vignetting model="pa" focal="85" aperture="1.8" distance="1000" k1="-1.4465" k2="1.4135" k3="-0.6464"/>
            <vignetting model="pa" focal="85" aperture="2.5" distance="10" k1="-0.0062" k2="-0.9708" k3="0.5311"/>
            <vignetting model="pa" focal="85" aperture="2.5" distance="1000" k1="-0.0062" k2="-0.9708" k3="0.5311"/>
            <vignetting model="pa" focal="85" aperture="3.5" distance="10" k1="0.0970" k2="-0.4142" k3="0.0058"/>
            <vignetting model="pa" focal="85" aperture="3.5" distance="1000" k1="0.0970" k2="-0.4142" k3="0.0058"/>
            <vignetting model="pa" focal="85" aperture="5" distance="10" k1="-0.1769" k2="0.5484" k3="-0.5646"/>
            <vignetting model="pa" focal="85" aperture="5" distance="1000" k1="-0.1769" k2="0.5484" k3="-0.5646"/>
            <vignetting model="pa" focal="85" aperture="22" distance="10" k1="-0.0782" k2="-0.0006" k3="0.0650"/>
            <vignetting model="pa" focal="85" aperture="22" distance="1000" k1="-0.0782" k2="-0.0006" k3="0.0650"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 100mm f/2.8L Macro IS USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="100" a="0.00406" b="-0.01754" c="0.02944"/>
            <!-- Taken with Canon EOS 5D Mark III -->
            <tca model="poly3" focal="100" br="-0.0000648" vr="1.0005228" bb="0.0000895" vb="0.9997536"/>
            <vignetting model="pa" focal="100" aperture="2.8" distance="0.3" k1="-0.0002" k2="-0.4508" k3="0.2333"/>
            <vignetting model="pa" focal="100" aperture="2.8" distance="0.34" k1="0.0795" k2="-0.8174" k3="0.4748"/>
            <vignetting model="pa" focal="100" aperture="2.8" distance="0.39" k1="0.0625" k2="-0.8874" k3="0.5263"/>
            <vignetting model="pa" focal="100" aperture="2.8" distance="0.48" k1="0.0225" k2="-1.1231" k3="0.6901"/>
            <vignetting model="pa" focal="100" aperture="2.8" distance="0.6" k1="-0.3172" k2="-0.7844" k3="0.5853"/>
            <vignetting model="pa" focal="100" aperture="2.8" distance="0.67" k1="-0.5205" k2="-0.4687" k3="0.4329"/>
            <vignetting model="pa" focal="100" aperture="2.8" distance="1" k1="-1.0262" k2="0.4648" k3="-0.0604"/>
            <vignetting model="pa" focal="100" aperture="2.8" distance="1.8" k1="-1.0413" k2="0.5233" k3="-0.1089"/>
            <vignetting model="pa" focal="100" aperture="2.8" distance="3" k1="-1.0667" k2="0.5973" k3="-0.1587"/>
            <vignetting model="pa" focal="100" aperture="2.8" distance="1000" k1="-1.1275" k2="0.7246" k3="-0.2352"/>
            <vignetting model="pa" focal="100" aperture="4" distance="0.3" k1="-0.1452" k2="0.0476" k3="-0.0319"/>
            <vignetting model="pa" focal="100" aperture="4" distance="0.34" k1="-0.1060" k2="0.0458" k3="-0.1091"/>
            <vignetting model="pa" focal="100" aperture="4" distance="0.39" k1="-0.0834" k2="0.0032" k3="-0.1104"/>
            <vignetting model="pa" focal="100" aperture="4" distance="0.48" k1="0.0244" k2="-0.3419" k3="0.0847"/>
            <vignetting model="pa" focal="100" aperture="4" distance="0.6" k1="0.0676" k2="-0.5887" k3="0.2536"/>
            <vignetting model="pa" focal="100" aperture="4" distance="0.67" k1="0.0954" k2="-0.7417" k3="0.3603"/>
            <vignetting model="pa" focal="100" aperture="4" distance="1" k1="0.0793" k2="-0.8583" k3="0.4247"/>
            <vignetting model="pa" focal="100" aperture="4" distance="1.8" k1="0.1010" k2="-0.8757" k3="0.4206"/>
            <vignetting model="pa" focal="100" aperture="4" distance="3" k1="0.1152" k2="-0.8881" k3="0.4203"/>
            <vignetting model="pa" focal="100" aperture="4" distance="1000" k1="0.0673" k2="-0.7994" k3="0.3554"/>
            <vignetting model="pa" focal="100" aperture="5.6" distance="0.3" k1="-0.1110" k2="-0.0940" k3="0.1128"/>
            <vignetting model="pa" focal="100" aperture="5.6" distance="0.34" k1="-0.0898" k2="-0.0923" k3="0.1076"/>
            <vignetting model="pa" focal="100" aperture="5.6" distance="0.39" k1="-0.0969" k2="-0.0525" k3="0.0724"/>
            <vignetting model="pa" focal="100" aperture="5.6" distance="0.48" k1="-0.1200" k2="0.0858" k3="-0.0692"/>
            <vignetting model="pa" focal="100" aperture="5.6" distance="0.6" k1="-0.1298" k2="0.1438" k3="-0.1464"/>
            <vignetting model="pa" focal="100" aperture="5.6" distance="0.67" k1="-0.1189" k2="0.1370" k3="-0.1654"/>
            <vignetting model="pa" focal="100" aperture="5.6" distance="1" k1="-0.0890" k2="0.0591" k3="-0.1504"/>
            <vignetting model="pa" focal="100" aperture="5.6" distance="1.8" k1="-0.1159" k2="0.1066" k3="-0.1696"/>
            <vignetting model="pa" focal="100" aperture="5.6" distance="3" k1="-0.1064" k2="0.0935" k3="-0.1578"/>
            <vignetting model="pa" focal="100" aperture="5.6" distance="1000" k1="-0.1185" k2="0.1091" k3="-0.1672"/>
            <vignetting model="pa" focal="100" aperture="8" distance="0.3" k1="-0.0940" k2="-0.1372" k3="0.1407"/>
            <vignetting model="pa" focal="100" aperture="8" distance="0.34" k1="-0.0836" k2="-0.1148" k3="0.1271"/>
            <vignetting model="pa" focal="100" aperture="8" distance="0.39" k1="-0.0781" k2="-0.1110" k3="0.1222"/>
            <vignetting model="pa" focal="100" aperture="8" distance="0.48" k1="-0.0763" k2="-0.0917" k3="0.1068"/>
            <vignetting model="pa" focal="100" aperture="8" distance="0.6" k1="-0.0697" k2="-0.1049" k3="0.1099"/>
            <vignetting model="pa" focal="100" aperture="8" distance="0.67" k1="-0.0734" k2="-0.0865" k3="0.0988"/>
            <vignetting model="pa" focal="100" aperture="8" distance="1" k1="-0.0829" k2="-0.0550" k3="0.0671"/>
            <vignetting model="pa" focal="100" aperture="8" distance="1.8" k1="-0.0760" k2="-0.0870" k3="0.0920"/>
            <vignetting model="pa" focal="100" aperture="8" distance="3" k1="-0.0716" k2="-0.0875" k3="0.0913"/>
            <vignetting model="pa" focal="100" aperture="8" distance="1000" k1="-0.0873" k2="-0.0683" k3="0.0772"/>
            <vignetting model="pa" focal="100" aperture="11" distance="0.3" k1="-0.0761" k2="-0.1815" k3="0.1691"/>
            <vignetting model="pa" focal="100" aperture="11" distance="0.34" k1="-0.0802" k2="-0.1254" k3="0.1345"/>
            <vignetting model="pa" focal="100" aperture="11" distance="0.39" k1="-0.0734" k2="-0.1237" k3="0.1320"/>
            <vignetting model="pa" focal="100" aperture="11" distance="0.48" k1="-0.0753" k2="-0.0946" k3="0.1106"/>
            <vignetting model="pa" focal="100" aperture="11" distance="0.6" k1="-0.0608" k2="-0.1280" k3="0.1278"/>
            <vignetting model="pa" focal="100" aperture="11" distance="0.67" k1="-0.0778" k2="-0.0796" k3="0.0988"/>
            <vignetting model="pa" focal="100" aperture="11" distance="1" k1="-0.0699" k2="-0.0925" k3="0.1015"/>
            <vignetting model="pa" focal="100" aperture="11" distance="1.8" k1="-0.0620" k2="-0.1220" k3="0.1203"/>
            <vignetting model="pa" focal="100" aperture="11" distance="3" k1="-0.0730" k2="-0.0867" k3="0.0956"/>
            <vignetting model="pa" focal="100" aperture="11" distance="1000" k1="-0.0653" k2="-0.1231" k3="0.1199"/>
            <vignetting model="pa" focal="100" aperture="16" distance="0.3" k1="-0.0634" k2="-0.2145" k3="0.1908"/>
            <vignetting model="pa" focal="100" aperture="16" distance="0.34" k1="-0.0756" k2="-0.1394" k3="0.1439"/>
            <vignetting model="pa" focal="100" aperture="16" distance="0.39" k1="-0.0723" k2="-0.1244" k3="0.1318"/>
            <vignetting model="pa" focal="100" aperture="16" distance="0.48" k1="-0.0770" k2="-0.0940" k3="0.1114"/>
            <vignetting model="pa" focal="100" aperture="16" distance="0.6" k1="-0.0569" k2="-0.1368" k3="0.1344"/>
            <vignetting model="pa" focal="100" aperture="16" distance="0.67" k1="-0.0792" k2="-0.0790" k3="0.1008"/>
            <vignetting model="pa" focal="100" aperture="16" distance="1" k1="-0.0695" k2="-0.0939" k3="0.1051"/>
            <vignetting model="pa" focal="100" aperture="16" distance="1.8" k1="-0.0583" k2="-0.1318" k3="0.1280"/>
            <vignetting model="pa" focal="100" aperture="16" distance="3" k1="-0.0720" k2="-0.0909" k3="0.1017"/>
            <vignetting model="pa" focal="100" aperture="16" distance="1000" k1="-0.0616" k2="-0.1313" k3="0.1265"/>
            <vignetting model="pa" focal="100" aperture="22" distance="0.3" k1="-0.0595" k2="-0.2260" k3="0.1986"/>
            <vignetting model="pa" focal="100" aperture="22" distance="0.34" k1="-0.0769" k2="-0.1386" k3="0.1428"/>
            <vignetting model="pa" focal="100" aperture="22" distance="0.39" k1="-0.0744" k2="-0.1265" k3="0.1359"/>
            <vignetting model="pa" focal="100" aperture="22" distance="0.48" k1="-0.0777" k2="-0.0953" k3="0.1128"/>
            <vignetting model="pa" focal="100" aperture="22" distance="0.6" k1="-0.0592" k2="-0.1325" k3="0.1321"/>
            <vignetting model="pa" focal="100" aperture="22" distance="0.67" k1="-0.0834" k2="-0.0716" k3="0.0960"/>
            <vignetting model="pa" focal="100" aperture="22" distance="1" k1="-0.0738" k2="-0.0843" k3="0.0994"/>
            <vignetting model="pa" focal="100" aperture="22" distance="1.8" k1="-0.0566" k2="-0.1367" k3="0.1318"/>
            <vignetting model="pa" focal="100" aperture="22" distance="3" k1="-0.0764" k2="-0.0819" k3="0.0970"/>
            <vignetting model="pa" focal="100" aperture="22" distance="1000" k1="-0.0608" k2="-0.1331" k3="0.1287"/>
            <vignetting model="pa" focal="100" aperture="32" distance="0.3" k1="-0.0592" k2="-0.2309" k3="0.2022"/>
            <vignetting model="pa" focal="100" aperture="32" distance="0.34" k1="-0.0796" k2="-0.1385" k3="0.1436"/>
            <vignetting model="pa" focal="100" aperture="32" distance="0.39" k1="-0.0793" k2="-0.1215" k3="0.1346"/>
            <vignetting model="pa" focal="100" aperture="32" distance="0.48" k1="-0.0832" k2="-0.0849" k3="0.1060"/>
            <vignetting model="pa" focal="100" aperture="32" distance="0.6" k1="-0.0612" k2="-0.1322" k3="0.1327"/>
            <vignetting model="pa" focal="100" aperture="32" distance="0.67" k1="-0.0872" k2="-0.0689" k3="0.0967"/>
            <vignetting model="pa" focal="100" aperture="32" distance="1" k1="-0.0783" k2="-0.0774" k3="0.0958"/>
            <vignetting model="pa" focal="100" aperture="32" distance="1.8" k1="-0.0613" k2="-0.1310" k3="0.1301"/>
            <vignetting model="pa" focal="100" aperture="32" distance="3" k1="-0.0837" k2="-0.0681" k3="0.0892"/>
            <vignetting model="pa" focal="100" aperture="32" distance="1000" k1="-0.0687" k2="-0.1199" k3="0.1222"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 100mm f/2.8L Macro IS USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1.605</cropfactor>
        <calibration>
            <!-- Taken with Canon 7D Mark II -->
            <distortion model="ptlens" focal="100" a="0.00804" b="-0.0341" c="0.04884"/>
            <tca model="poly3" focal="100" br="-0.0000029" vr="1.0002069" bb="0.0000320" vb="0.9998728"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 100mm f/2.8 Macro</model>
        <mount>Canon EF</mount>
        <!-- Average crop factor of Canon APS-C cameras -->
        <cropfactor>1.611</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="100" a="-0.001558" b="0.004225" c="0"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon FDn 100mm 1:2.8</model>
        <mount>Canon FD</mount>
        <focal value="100"/>
        <aperture min="2.8" max="32"/>
        <cropfactor>2</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="100" a="-0.000626176" b="0.00321735" c="-0.0016503"/>
            <tca model="poly3" focal="100" br="0.0000529" vr="0.9997253" bb="-0.0000227" vb="1.0000114"/>
            <vignetting model="pa" focal="100" aperture="2.8" distance="1" k1="-0.1299" k2="-0.1664" k3="0.1201"/>
            <vignetting model="pa" focal="100" aperture="2.8" distance="2" k1="-0.1223" k2="-0.2683" k3="0.1926"/>
            <vignetting model="pa" focal="100" aperture="2.8" distance="7" k1="-0.1430" k2="-0.2648" k3="0.1957"/>
            <vignetting model="pa" focal="100" aperture="2.8" distance="1000" k1="-0.1617" k2="-0.2393" k3="0.1820"/>
            <vignetting model="pa" focal="100" aperture="4" distance="1" k1="-0.0317" k2="-0.0219" k3="-0.0001"/>
            <vignetting model="pa" focal="100" aperture="4" distance="2" k1="-0.0438" k2="-0.0251" k3="0.0081"/>
            <vignetting model="pa" focal="100" aperture="4" distance="7" k1="-0.0499" k2="-0.0261" k3="0.0103"/>
            <vignetting model="pa" focal="100" aperture="4" distance="1000" k1="-0.0519" k2="-0.0265" k3="0.0098"/>
            <vignetting model="pa" focal="100" aperture="5.6" distance="1" k1="-0.0442" k2="-0.0086" k3="-0.0059"/>
            <vignetting model="pa" focal="100" aperture="5.6" distance="2" k1="-0.0554" k2="-0.0071" k3="-0.0046"/>
            <vignetting model="pa" focal="100" aperture="5.6" distance="7" k1="-0.0679" k2="0.0044" k3="-0.0099"/>
            <vignetting model="pa" focal="100" aperture="5.6" distance="1000" k1="-0.0738" k2="0.0095" k3="-0.0104"/>
            <vignetting model="pa" focal="100" aperture="8" distance="1" k1="-0.0474" k2="-0.0021" k3="-0.0112"/>
            <vignetting model="pa" focal="100" aperture="8" distance="2" k1="-0.0629" k2="0.0050" k3="-0.0115"/>
            <vignetting model="pa" focal="100" aperture="8" distance="7" k1="-0.0851" k2="0.0381" k3="-0.0290"/>
            <vignetting model="pa" focal="100" aperture="8" distance="1000" k1="-0.0915" k2="0.0470" k3="-0.0350"/>
            <vignetting model="pa" focal="100" aperture="32" distance="1" k1="-0.0304" k2="-0.0338" k3="0.0017"/>
            <vignetting model="pa" focal="100" aperture="32" distance="2" k1="-0.0725" k2="0.0094" k3="-0.0129"/>
            <vignetting model="pa" focal="100" aperture="32" distance="7" k1="-0.1156" k2="0.0949" k3="-0.0639"/>
            <vignetting model="pa" focal="100" aperture="32" distance="1000" k1="-0.1890" k2="0.2463" k3="-0.1528"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 135mm f/2L</model>
        <model lang="en">Canon EF 135mm f/2 L USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="135" a="-0.007" b="0.025" c="-0.019"/>
            <!-- Taken with Canon R5 -->
            <tca model="poly3" focal="135.0" vr="0.9999877" vb="1.0000394"/>
            <vignetting model="pa" focal="135.0" aperture="2.0" distance="0.9" k1="-0.0093657" k2="-0.5204728" k3="0.2646156"/>
            <vignetting model="pa" focal="135.0" aperture="2.0" distance="1.8" k1="-0.3720239" k2="-0.1212769" k3="0.0723688"/>
            <vignetting model="pa" focal="135.0" aperture="2.0" distance="3.6" k1="-0.5967040" k2="0.1838160" k3="-0.0912153"/>
            <vignetting model="pa" focal="135.0" aperture="2.0" distance="1000" k1="-0.5029396" k2="0.0773026" k3="-0.0396684"/>
            <vignetting model="pa" focal="135.0" aperture="2.8" distance="0.9" k1="-0.0291882" k2="0.0296634" k3="-0.1059211"/>
            <vignetting model="pa" focal="135.0" aperture="2.8" distance="1.8" k1="0.0501388" k2="-0.3758652" k3="0.1281745"/>
            <vignetting model="pa" focal="135.0" aperture="2.8" distance="3.6" k1="0.0760025" k2="-0.3616551" k3="0.1017797"/>
            <vignetting model="pa" focal="135.0" aperture="2.8" distance="1000" k1="0.0543297" k2="-0.5277796" k3="0.2136678"/>
            <vignetting model="pa" focal="135.0" aperture="4.0" distance="0.9" k1="-0.0761320" k2="-0.0088900" k3="0.0021939"/>
            <vignetting model="pa" focal="135.0" aperture="4.0" distance="1.8" k1="-0.0861135" k2="0.1701948" k3="-0.1948492"/>
            <vignetting model="pa" focal="135.0" aperture="4.0" distance="3.6" k1="-0.0479163" k2="0.1642694" k3="-0.2124924"/>
            <vignetting model="pa" focal="135.0" aperture="4.0" distance="1000" k1="-0.0311125" k2="0.0549481" k3="-0.1758831"/>
            <vignetting model="pa" focal="135.0" aperture="5.6" distance="0.9" k1="-0.0793112" k2="-0.0182007" k3="0.0135455"/>
            <vignetting model="pa" focal="135.0" aperture="5.6" distance="1.8" k1="-0.0524171" k2="-0.0019293" k3="-0.0001025"/>
            <vignetting model="pa" focal="135.0" aperture="5.6" distance="3.6" k1="-0.0700950" k2="0.0863139" k3="-0.0754956"/>
            <vignetting model="pa" focal="135.0" aperture="5.6" distance="1000" k1="-0.0991785" k2="0.1866371" k3="-0.1471030"/>
            <vignetting model="pa" focal="135.0" aperture="8.0" distance="0.9" k1="-0.1002591" k2="0.0179194" k3="-0.0068310"/>
            <vignetting model="pa" focal="135.0" aperture="8.0" distance="1.8" k1="-0.0560233" k2="-0.0005941" k3="0.0013101"/>
            <vignetting model="pa" focal="135.0" aperture="8.0" distance="3.6" k1="-0.0555297" k2="0.0024731" k3="0.0025877"/>
            <vignetting model="pa" focal="135.0" aperture="8.0" distance="1000" k1="-0.0196277" k2="-0.0153905" k3="0.0100609"/>
            <vignetting model="pa" focal="135.0" aperture="32.0" distance="0.9" k1="-0.1144479" k2="0.0478949" k3="-0.0327243"/>
            <vignetting model="pa" focal="135.0" aperture="32.0" distance="1.8" k1="-0.0788924" k2="0.0283916" k3="-0.0159735"/>
            <vignetting model="pa" focal="135.0" aperture="32.0" distance="3.6" k1="-0.0659608" k2="0.0090575" k3="0.0034382"/>
            <vignetting model="pa" focal="135.0" aperture="32.0" distance="1000" k1="-0.0489879" k2="-0.0068094" k3="0.0145685"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 135mm f/2.8 Soft Focus</model>
        <mount>Canon EF</mount>
        <!-- Average crop factor of Canon APS-H cameras -->
        <cropfactor>1.267</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="135" a="0.001266" b="0.001782" c="0"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 200mm f/2.8L USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="200" a="0.00082" b="-0.00169" c="0.01111"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 200mm f/2.8L II USM</model>
        <mount>Canon EF</mount>
        <!-- Average crop factor of Canon APS-C cameras -->
        <cropfactor>1.611</cropfactor>
        <calibration>
            <distortion model="poly3" focal="200" k1="0.000502"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon TS-E 24mm f/3.5L</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="24" a="0.006127" b="-0.018983" c="0"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon TS-E 24mm f/3.5L</model>
        <mount>Canon EF</mount>
        <cropfactor>1.622</cropfactor>
        <calibration>
            <!-- Taken with Canon 50D -->
            <distortion model="poly3" focal="24" k1="-0.00317"/>
            <tca model="poly3" focal="24" br="-0.0000018" vr="1.0003986" bb="-0.0000029" vb="0.9999787"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon TS-E 45mm f/2.8</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="45" a="0.00211" b="-0.007388" c="0"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon TS-E 90mm f/2.8</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <distortion model="poly3" focal="90" k1="0.001333"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF-S 18-135mm f/3.5-5.6 IS</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.613</cropfactor>
        <calibration>
            <!-- Taken with Canon EOS 60D -->
            <distortion model="ptlens" focal="18" a="0.04464" b="-0.15487" c="0.13016"/>
            <distortion model="ptlens" focal="19" a="0.02996" b="-0.08814" c="0.06037"/>
            <distortion model="ptlens" focal="22" a="0.03415" b="-0.09989" c="0.08629"/>
            <distortion model="ptlens" focal="24" a="0.01991" b="-0.04847" c="0.03528"/>
            <distortion model="ptlens" focal="29" a="0.02032" b="-0.05313" c="0.05651"/>
            <distortion model="ptlens" focal="35" a="0.00632" b="-0.00789" c="0.01784"/>
            <distortion model="ptlens" focal="41" a="0.00424" b="-0.00522" c="0.0221"/>
            <distortion model="ptlens" focal="48" a="-0.00698" b="0.03031" c="-0.01303"/>
            <distortion model="ptlens" focal="50" a="0.00469" b="-0.01695" c="0.042"/>
            <distortion model="ptlens" focal="85" a="-0.00269" b="0.01092" c="0.00887"/>
            <distortion model="ptlens" focal="135" a="0.00367" b="-0.00835" c="0.02183"/>
            <tca model="poly3" focal="18" br="-0.0001730" vr="1.0009746" bb="0.0001366" vb="0.9997877"/>
            <tca model="poly3" focal="19" br="-0.0001469" vr="1.0008595" bb="0.0000849" vb="0.9998491"/>
            <tca model="poly3" focal="21" br="-0.0000978" vr="1.0007549" bb="0.0000682" vb="0.9998856"/>
            <tca model="poly3" focal="24" br="-0.0000912" vr="1.0006334" bb="0.0000658" vb="0.9999068"/>
            <tca model="poly3" focal="28" br="-0.0000969" vr="1.0004872" bb="0.0000395" vb="0.9999687"/>
            <tca model="poly3" focal="35" br="-0.0000454" vr="1.0002680" bb="0.0000255" vb="1.0000265"/>
            <tca model="poly3" focal="50" br="0.0000013" vr="0.9999972" bb="-0.0000138" vb="1.0001329"/>
            <tca model="poly3" focal="85" br="0.0000476" vr="0.9997585" bb="-0.0000551" vb="1.0000792"/>
            <tca model="poly3" focal="135" br="0.0000789" vr="0.9996590" bb="-0.0000630" vb="0.9998623"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF-S 18-135mm f/3.5-5.6 IS USM</model>
        <model lang="en">Canon EF-S 18-135mm f/3.5-5.6 IS USM</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.605</cropfactor>
        <calibration>
            <!-- Taken with Canon EOS 7D Mark II -->
            <distortion model="ptlens" focal="18" a="0.03582" b="-0.10962" c="0.05876"/>
            <distortion model="ptlens" focal="24" a="0.02725" b="-0.07222" c="0.04826"/>
            <distortion model="ptlens" focal="35" a="0.00909" b="-0.01398" c="0.01265"/>
            <distortion model="ptlens" focal="50" a="0.00816" b="-0.01410" c="0.01941"/>
            <distortion model="ptlens" focal="85" a="0.00335" b="-0.00234" c="0.01238"/>
            <distortion model="ptlens" focal="135" a="-0.00485" b="0.02086" c="-0.00627"/>
            <tca model="poly3" focal="18" br="-0.0000934" vr="1.0006986" bb="0.0000610" vb="0.9999352"/>
            <tca model="poly3" focal="24" br="-0.0000839" vr="1.0003945" bb="0.0000671" vb="1.0001346"/>
            <tca model="poly3" focal="35" br="0.0000158" vr="1.0001578" bb="-0.0000026" vb="1.0001780"/>
            <tca model="poly3" focal="50" br="-0.0000138" vr="1.0002028" bb="-0.0000194" vb="1.0000375"/>
            <tca model="poly3" focal="85" br="0.0000344" vr="0.9999689" bb="-0.0000522" vb="0.9998853"/>
            <tca model="poly3" focal="135" br="0.0000385" vr="0.9995855" bb="-0.0000297" vb="0.9999159"/>
            <!-- Taken with Canon EOS 80D -->
            <vignetting model="pa" focal="18" aperture="3.5" distance="10" k1="-0.8112" k2="0.2056" k3="-0.0112"/>
            <vignetting model="pa" focal="18" aperture="3.5" distance="1000" k1="-0.8112" k2="0.2056" k3="-0.0112"/>
            <vignetting model="pa" focal="18" aperture="5" distance="10" k1="-0.1478" k2="-0.2987" k3="0.0740"/>
            <vignetting model="pa" focal="18" aperture="5" distance="1000" k1="-0.1478" k2="-0.2987" k3="0.0740"/>
            <vignetting model="pa" focal="18" aperture="7.1" distance="10" k1="-0.2013" k2="-0.1139" k3="0.0641"/>
            <vignetting model="pa" focal="18" aperture="7.1" distance="1000" k1="-0.2013" k2="-0.1139" k3="0.0641"/>
            <vignetting model="pa" focal="18" aperture="10" distance="10" k1="-0.2068" k2="-0.0963" k3="0.0550"/>
            <vignetting model="pa" focal="18" aperture="10" distance="1000" k1="-0.2068" k2="-0.0963" k3="0.0550"/>
            <vignetting model="pa" focal="18" aperture="14" distance="10" k1="-0.2185" k2="-0.0596" k3="0.0290"/>
            <vignetting model="pa" focal="18" aperture="14" distance="1000" k1="-0.2185" k2="-0.0596" k3="0.0290"/>
            <vignetting model="pa" focal="18" aperture="20" distance="10" k1="-0.2285" k2="-0.0296" k3="0.0080"/>
            <vignetting model="pa" focal="18" aperture="20" distance="1000" k1="-0.2285" k2="-0.0296" k3="0.0080"/>
            <vignetting model="pa" focal="18" aperture="22" distance="10" k1="-0.2319" k2="-0.0222" k3="0.0039"/>
            <vignetting model="pa" focal="18" aperture="22" distance="1000" k1="-0.2319" k2="-0.0222" k3="0.0039"/>
            <vignetting model="pa" focal="29" aperture="4" distance="10" k1="-0.6774" k2="0.2039" k3="-0.0033"/>
            <vignetting model="pa" focal="29" aperture="4" distance="1000" k1="-0.6774" k2="0.2039" k3="-0.0033"/>
            <vignetting model="pa" focal="29" aperture="5.6" distance="10" k1="-0.1194" k2="-0.0792" k3="-0.0042"/>
            <vignetting model="pa" focal="29" aperture="5.6" distance="1000" k1="-0.1194" k2="-0.0792" k3="-0.0042"/>
            <vignetting model="pa" focal="29" aperture="8" distance="10" k1="-0.1166" k2="-0.1060" k3="0.0692"/>
            <vignetting model="pa" focal="29" aperture="8" distance="1000" k1="-0.1166" k2="-0.1060" k3="0.0692"/>
            <vignetting model="pa" focal="29" aperture="11" distance="10" k1="-0.1263" k2="-0.0786" k3="0.0527"/>
            <vignetting model="pa" focal="29" aperture="11" distance="1000" k1="-0.1263" k2="-0.0786" k3="0.0527"/>
            <vignetting model="pa" focal="29" aperture="16" distance="10" k1="-0.1366" k2="-0.0546" k3="0.0403"/>
            <vignetting model="pa" focal="29" aperture="16" distance="1000" k1="-0.1366" k2="-0.0546" k3="0.0403"/>
            <vignetting model="pa" focal="29" aperture="22" distance="10" k1="-0.1445" k2="-0.0366" k3="0.0311"/>
            <vignetting model="pa" focal="29" aperture="22" distance="1000" k1="-0.1445" k2="-0.0366" k3="0.0311"/>
            <vignetting model="pa" focal="29" aperture="25" distance="10" k1="-0.1487" k2="-0.0270" k3="0.0252"/>
            <vignetting model="pa" focal="29" aperture="25" distance="1000" k1="-0.1487" k2="-0.0270" k3="0.0252"/>
            <vignetting model="pa" focal="50" aperture="5" distance="10" k1="-0.3431" k2="-0.2528" k3="0.2382"/>
            <vignetting model="pa" focal="50" aperture="5" distance="1000" k1="-0.3431" k2="-0.2528" k3="0.2382"/>
            <vignetting model="pa" focal="50" aperture="7.1" distance="10" k1="-0.0587" k2="-0.0848" k3="0.0462"/>
            <vignetting model="pa" focal="50" aperture="7.1" distance="1000" k1="-0.0587" k2="-0.0848" k3="0.0462"/>
            <vignetting model="pa" focal="50" aperture="10" distance="10" k1="-0.0441" k2="-0.1197" k3="0.0735"/>
            <vignetting model="pa" focal="50" aperture="10" distance="1000" k1="-0.0441" k2="-0.1197" k3="0.0735"/>
            <vignetting model="pa" focal="50" aperture="14" distance="10" k1="-0.0505" k2="-0.1081" k3="0.0695"/>
            <vignetting model="pa" focal="50" aperture="14" distance="1000" k1="-0.0505" k2="-0.1081" k3="0.0695"/>
            <vignetting model="pa" focal="50" aperture="20" distance="10" k1="-0.0611" k2="-0.0857" k3="0.0561"/>
            <vignetting model="pa" focal="50" aperture="20" distance="1000" k1="-0.0611" k2="-0.0857" k3="0.0561"/>
            <vignetting model="pa" focal="50" aperture="29" distance="10" k1="-0.0679" k2="-0.0694" k3="0.0456"/>
            <vignetting model="pa" focal="50" aperture="29" distance="1000" k1="-0.0679" k2="-0.0694" k3="0.0456"/>
            <vignetting model="pa" focal="50" aperture="32" distance="10" k1="-0.0693" k2="-0.0656" k3="0.0430"/>
            <vignetting model="pa" focal="50" aperture="32" distance="1000" k1="-0.0693" k2="-0.0656" k3="0.0430"/>
            <vignetting model="pa" focal="85" aperture="5.6" distance="10" k1="-0.3918" k2="0.1279" k3="-0.1161"/>
            <vignetting model="pa" focal="85" aperture="5.6" distance="1000" k1="-0.3918" k2="0.1279" k3="-0.1161"/>
            <vignetting model="pa" focal="85" aperture="8" distance="10" k1="-0.1496" k2="0.3685" k3="-0.3692"/>
            <vignetting model="pa" focal="85" aperture="8" distance="1000" k1="-0.1496" k2="0.3685" k3="-0.3692"/>
            <vignetting model="pa" focal="85" aperture="11" distance="10" k1="-0.0424" k2="-0.0481" k3="0.0213"/>
            <vignetting model="pa" focal="85" aperture="11" distance="1000" k1="-0.0424" k2="-0.0481" k3="0.0213"/>
            <vignetting model="pa" focal="85" aperture="16" distance="10" k1="-0.0373" k2="-0.0824" k3="0.0568"/>
            <vignetting model="pa" focal="85" aperture="16" distance="1000" k1="-0.0373" k2="-0.0824" k3="0.0568"/>
            <vignetting model="pa" focal="85" aperture="22" distance="10" k1="-0.0476" k2="-0.0670" k3="0.0511"/>
            <vignetting model="pa" focal="85" aperture="22" distance="1000" k1="-0.0476" k2="-0.0670" k3="0.0511"/>
            <vignetting model="pa" focal="85" aperture="32" distance="10" k1="-0.0586" k2="-0.0442" k3="0.0378"/>
            <vignetting model="pa" focal="85" aperture="32" distance="1000" k1="-0.0586" k2="-0.0442" k3="0.0378"/>
            <vignetting model="pa" focal="85" aperture="36" distance="10" k1="-0.0593" k2="-0.0444" k3="0.0395"/>
            <vignetting model="pa" focal="85" aperture="36" distance="1000" k1="-0.0593" k2="-0.0444" k3="0.0395"/>
            <vignetting model="pa" focal="135" aperture="5.6" distance="10" k1="-0.5206" k2="0.4315" k3="-0.3400"/>
            <vignetting model="pa" focal="135" aperture="5.6" distance="1000" k1="-0.5206" k2="0.4315" k3="-0.3400"/>
            <vignetting model="pa" focal="135" aperture="8" distance="10" k1="-0.0951" k2="0.3077" k3="-0.4314"/>
            <vignetting model="pa" focal="135" aperture="8" distance="1000" k1="-0.0951" k2="0.3077" k3="-0.4314"/>
            <vignetting model="pa" focal="135" aperture="11" distance="10" k1="-0.0740" k2="0.1284" k3="-0.1425"/>
            <vignetting model="pa" focal="135" aperture="11" distance="1000" k1="-0.0740" k2="0.1284" k3="-0.1425"/>
            <vignetting model="pa" focal="135" aperture="16" distance="10" k1="-0.0230" k2="-0.0792" k3="0.0517"/>
            <vignetting model="pa" focal="135" aperture="16" distance="1000" k1="-0.0230" k2="-0.0792" k3="0.0517"/>
            <vignetting model="pa" focal="135" aperture="22" distance="10" k1="-0.0240" k2="-0.0951" k3="0.0700"/>
            <vignetting model="pa" focal="135" aperture="22" distance="1000" k1="-0.0240" k2="-0.0951" k3="0.0700"/>
            <vignetting model="pa" focal="135" aperture="32" distance="10" k1="-0.0318" k2="-0.0804" k3="0.0616"/>
            <vignetting model="pa" focal="135" aperture="32" distance="1000" k1="-0.0318" k2="-0.0804" k3="0.0616"/>
            <vignetting model="pa" focal="135" aperture="36" distance="10" k1="-0.0372" k2="-0.0673" k3="0.0527"/>
            <vignetting model="pa" focal="135" aperture="36" distance="1000" k1="-0.0372" k2="-0.0673" k3="0.0527"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF-S 18-135mm f/3.5-5.6 IS STM</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.613</cropfactor>
        <calibration>
            <!-- Taken with Canon EOS-650D -->
            <distortion model="ptlens" focal="18" a="0.01902" b="-0.05009" c="-0.0067"/>
            <distortion model="ptlens" focal="24" a="0.02182" b="-0.05987" c="0.04459"/>
            <distortion model="ptlens" focal="35" a="0.00521" b="-0.00299" c="0.00091"/>
            <distortion model="ptlens" focal="50" a="-0.00078" b="0.0111" c="-0.00193"/>
            <distortion model="ptlens" focal="85" a="-0.0114" b="0.04561" c="-0.0336"/>
            <distortion model="ptlens" focal="135" a="-0.00247" b="0.02547" c="-0.02858"/>
            <!-- Taken with Canon EOS-700D -->
            <tca model="poly3" focal="18" br="-0.0000022" vr="1.0004741" bb="0.0000360" vb="0.9999922"/>
            <tca model="poly3" focal="20" br="0.0000027" vr="1.0003061" bb="0.0000495" vb="1.0001577"/>
            <tca model="poly3" focal="22" br="-0.0000178" vr="1.0002362" bb="0.0000445" vb="1.0001045"/>
            <tca model="poly3" focal="24" br="-0.0000436" vr="1.0002265" bb="0.0000450" vb="1.0001340"/>
            <tca model="poly3" focal="35" br="0.0000065" vr="1.0000848" bb="0.0000209" vb="1.0001421"/>
            <tca model="poly3" focal="50" br="0.0000012" vr="1.0000838" bb="0.0000227" vb="1.0000531"/>
            <tca model="poly3" focal="64" br="0.0000032" vr="1.0000358" bb="-0.0000286" vb="0.9999836"/>
            <tca model="poly3" focal="85" br="0.0000043" vr="0.9999892" bb="-0.0000588" vb="1.0000195"/>
            <tca model="poly3" focal="118" br="0.0000118" vr="0.9999617" bb="0.0001272" vb="0.9995419"/>
            <tca model="poly3" focal="135" br="-0.0000001" vr="0.9999369" bb="0.0000753" vb="0.9997197"/>
            <vignetting model="pa" focal="18" aperture="3.5" distance="10" k1="-0.7431" k2="0.0817" k3="0.0463"/>
            <vignetting model="pa" focal="18" aperture="3.5" distance="1000" k1="-0.7431" k2="0.0817" k3="0.0463"/>
            <vignetting model="pa" focal="18" aperture="4" distance="10" k1="-0.2080" k2="-0.7339" k3="0.4079"/>
            <vignetting model="pa" focal="18" aperture="4" distance="1000" k1="-0.2080" k2="-0.7339" k3="0.4079"/>
            <vignetting model="pa" focal="18" aperture="4.5" distance="10" k1="-0.0665" k2="-0.5705" k3="0.1866"/>
            <vignetting model="pa" focal="18" aperture="4.5" distance="1000" k1="-0.0665" k2="-0.5705" k3="0.1866"/>
            <vignetting model="pa" focal="18" aperture="5" distance="10" k1="-0.1327" k2="-0.1977" k3="-0.0650"/>
            <vignetting model="pa" focal="18" aperture="5" distance="1000" k1="-0.1327" k2="-0.1977" k3="-0.0650"/>
            <vignetting model="pa" focal="18" aperture="5.6" distance="10" k1="-0.1961" k2="0.0505" k3="-0.1723"/>
            <vignetting model="pa" focal="18" aperture="5.6" distance="1000" k1="-0.1961" k2="0.0505" k3="-0.1723"/>
            <vignetting model="pa" focal="18" aperture="6.3" distance="10" k1="-0.1976" k2="0.0089" k3="-0.0860"/>
            <vignetting model="pa" focal="18" aperture="6.3" distance="1000" k1="-0.1976" k2="0.0089" k3="-0.0860"/>
            <vignetting model="pa" focal="18" aperture="7.1" distance="10" k1="-0.1780" k2="-0.0852" k3="0.0041"/>
            <vignetting model="pa" focal="18" aperture="7.1" distance="1000" k1="-0.1780" k2="-0.0852" k3="0.0041"/>
            <vignetting model="pa" focal="18" aperture="8" distance="10" k1="-0.1579" k2="-0.1565" k3="0.0682"/>
            <vignetting model="pa" focal="18" aperture="8" distance="1000" k1="-0.1579" k2="-0.1565" k3="0.0682"/>
            <vignetting model="pa" focal="18" aperture="9" distance="10" k1="-0.1588" k2="-0.1591" k3="0.0743"/>
            <vignetting model="pa" focal="18" aperture="9" distance="1000" k1="-0.1588" k2="-0.1591" k3="0.0743"/>
            <vignetting model="pa" focal="18" aperture="10" distance="10" k1="-0.1617" k2="-0.1515" k3="0.0701"/>
            <vignetting model="pa" focal="18" aperture="10" distance="1000" k1="-0.1617" k2="-0.1515" k3="0.0701"/>
            <vignetting model="pa" focal="18" aperture="11" distance="10" k1="-0.1592" k2="-0.1595" k3="0.0777"/>
            <vignetting model="pa" focal="18" aperture="11" distance="1000" k1="-0.1592" k2="-0.1595" k3="0.0777"/>
            <vignetting model="pa" focal="18" aperture="13" distance="10" k1="-0.1606" k2="-0.1526" k3="0.0722"/>
            <vignetting model="pa" focal="18" aperture="13" distance="1000" k1="-0.1606" k2="-0.1526" k3="0.0722"/>
            <vignetting model="pa" focal="18" aperture="14" distance="10" k1="-0.1636" k2="-0.1471" k3="0.0700"/>
            <vignetting model="pa" focal="18" aperture="14" distance="1000" k1="-0.1636" k2="-0.1471" k3="0.0700"/>
            <vignetting model="pa" focal="18" aperture="16" distance="10" k1="-0.1630" k2="-0.1469" k3="0.0697"/>
            <vignetting model="pa" focal="18" aperture="16" distance="1000" k1="-0.1630" k2="-0.1469" k3="0.0697"/>
            <vignetting model="pa" focal="18" aperture="18" distance="10" k1="-0.1665" k2="-0.1368" k3="0.0635"/>
            <vignetting model="pa" focal="18" aperture="18" distance="1000" k1="-0.1665" k2="-0.1368" k3="0.0635"/>
            <vignetting model="pa" focal="18" aperture="20" distance="10" k1="-0.1692" k2="-0.1296" k3="0.0585"/>
            <vignetting model="pa" focal="18" aperture="20" distance="1000" k1="-0.1692" k2="-0.1296" k3="0.0585"/>
            <vignetting model="pa" focal="18" aperture="22" distance="10" k1="-0.1698" k2="-0.1275" k3="0.0574"/>
            <vignetting model="pa" focal="18" aperture="22" distance="1000" k1="-0.1698" k2="-0.1275" k3="0.0574"/>
            <vignetting model="pa" focal="20" aperture="3.5" distance="10" k1="-0.7252" k2="0.0798" k3="0.0769"/>
            <vignetting model="pa" focal="20" aperture="3.5" distance="1000" k1="-0.7252" k2="0.0798" k3="0.0769"/>
            <vignetting model="pa" focal="20" aperture="4" distance="10" k1="-0.2011" k2="-0.7135" k3="0.4348"/>
            <vignetting model="pa" focal="20" aperture="4" distance="1000" k1="-0.2011" k2="-0.7135" k3="0.4348"/>
            <vignetting model="pa" focal="20" aperture="4.5" distance="10" k1="-0.0404" k2="-0.6019" k3="0.2589"/>
            <vignetting model="pa" focal="20" aperture="4.5" distance="1000" k1="-0.0404" k2="-0.6019" k3="0.2589"/>
            <vignetting model="pa" focal="20" aperture="5" distance="10" k1="-0.0784" k2="-0.3215" k3="0.0741"/>
            <vignetting model="pa" focal="20" aperture="5" distance="1000" k1="-0.0784" k2="-0.3215" k3="0.0741"/>
            <vignetting model="pa" focal="20" aperture="5.6" distance="10" k1="-0.1393" k2="-0.0906" k3="-0.0238"/>
            <vignetting model="pa" focal="20" aperture="5.6" distance="1000" k1="-0.1393" k2="-0.0906" k3="-0.0238"/>
            <vignetting model="pa" focal="20" aperture="6.3" distance="10" k1="-0.1329" k2="-0.1501" k3="0.0712"/>
            <vignetting model="pa" focal="20" aperture="6.3" distance="1000" k1="-0.1329" k2="-0.1501" k3="0.0712"/>
            <vignetting model="pa" focal="20" aperture="7.1" distance="10" k1="-0.1337" k2="-0.1677" k3="0.0942"/>
            <vignetting model="pa" focal="20" aperture="7.1" distance="1000" k1="-0.1337" k2="-0.1677" k3="0.0942"/>
            <vignetting model="pa" focal="20" aperture="8" distance="10" k1="-0.1376" k2="-0.1540" k3="0.0860"/>
            <vignetting model="pa" focal="20" aperture="8" distance="1000" k1="-0.1376" k2="-0.1540" k3="0.0860"/>
            <vignetting model="pa" focal="20" aperture="9" distance="10" k1="-0.1423" k2="-0.1429" k3="0.0805"/>
            <vignetting model="pa" focal="20" aperture="9" distance="1000" k1="-0.1423" k2="-0.1429" k3="0.0805"/>
            <vignetting model="pa" focal="20" aperture="10" distance="10" k1="-0.1359" k2="-0.1590" k3="0.0909"/>
            <vignetting model="pa" focal="20" aperture="10" distance="1000" k1="-0.1359" k2="-0.1590" k3="0.0909"/>
            <vignetting model="pa" focal="20" aperture="11" distance="10" k1="-0.1442" k2="-0.1391" k3="0.0797"/>
            <vignetting model="pa" focal="20" aperture="11" distance="1000" k1="-0.1442" k2="-0.1391" k3="0.0797"/>
            <vignetting model="pa" focal="20" aperture="13" distance="10" k1="-0.1407" k2="-0.1429" k3="0.0825"/>
            <vignetting model="pa" focal="20" aperture="13" distance="1000" k1="-0.1407" k2="-0.1429" k3="0.0825"/>
            <vignetting model="pa" focal="20" aperture="14" distance="10" k1="-0.1452" k2="-0.1355" k3="0.0792"/>
            <vignetting model="pa" focal="20" aperture="14" distance="1000" k1="-0.1452" k2="-0.1355" k3="0.0792"/>
            <vignetting model="pa" focal="20" aperture="16" distance="10" k1="-0.1509" k2="-0.1167" k3="0.0651"/>
            <vignetting model="pa" focal="20" aperture="16" distance="1000" k1="-0.1509" k2="-0.1167" k3="0.0651"/>
            <vignetting model="pa" focal="20" aperture="18" distance="10" k1="-0.1506" k2="-0.1165" k3="0.0655"/>
            <vignetting model="pa" focal="20" aperture="18" distance="1000" k1="-0.1506" k2="-0.1165" k3="0.0655"/>
            <vignetting model="pa" focal="20" aperture="20" distance="10" k1="-0.1523" k2="-0.1123" k3="0.0629"/>
            <vignetting model="pa" focal="20" aperture="20" distance="1000" k1="-0.1523" k2="-0.1123" k3="0.0629"/>
            <vignetting model="pa" focal="20" aperture="22" distance="10" k1="-0.1510" k2="-0.1112" k3="0.0609"/>
            <vignetting model="pa" focal="20" aperture="22" distance="1000" k1="-0.1510" k2="-0.1112" k3="0.0609"/>
            <vignetting model="pa" focal="24" aperture="4" distance="10" k1="-0.6771" k2="0.0468" k3="0.1067"/>
            <vignetting model="pa" focal="24" aperture="4" distance="1000" k1="-0.6771" k2="0.0468" k3="0.1067"/>
            <vignetting model="pa" focal="24" aperture="4.5" distance="10" k1="-0.0538" k2="-0.7699" k3="0.4315"/>
            <vignetting model="pa" focal="24" aperture="4.5" distance="1000" k1="-0.0538" k2="-0.7699" k3="0.4315"/>
            <vignetting model="pa" focal="24" aperture="5" distance="10" k1="-0.0237" k2="-0.5195" k3="0.2193"/>
            <vignetting model="pa" focal="24" aperture="5" distance="1000" k1="-0.0237" k2="-0.5195" k3="0.2193"/>
            <vignetting model="pa" focal="24" aperture="5.6" distance="10" k1="-0.0965" k2="-0.1514" k3="0.0056"/>
            <vignetting model="pa" focal="24" aperture="5.6" distance="1000" k1="-0.0965" k2="-0.1514" k3="0.0056"/>
            <vignetting model="pa" focal="24" aperture="6.3" distance="10" k1="-0.1307" k2="-0.0631" k3="0.0025"/>
            <vignetting model="pa" focal="24" aperture="6.3" distance="1000" k1="-0.1307" k2="-0.0631" k3="0.0025"/>
            <vignetting model="pa" focal="24" aperture="7.1" distance="10" k1="-0.1107" k2="-0.1443" k3="0.0816"/>
            <vignetting model="pa" focal="24" aperture="7.1" distance="1000" k1="-0.1107" k2="-0.1443" k3="0.0816"/>
            <vignetting model="pa" focal="24" aperture="8" distance="10" k1="-0.1052" k2="-0.1631" k3="0.0986"/>
            <vignetting model="pa" focal="24" aperture="8" distance="1000" k1="-0.1052" k2="-0.1631" k3="0.0986"/>
            <vignetting model="pa" focal="24" aperture="9" distance="10" k1="-0.1113" k2="-0.1496" k3="0.0925"/>
            <vignetting model="pa" focal="24" aperture="9" distance="1000" k1="-0.1113" k2="-0.1496" k3="0.0925"/>
            <vignetting model="pa" focal="24" aperture="10" distance="10" k1="-0.1225" k2="-0.1233" k3="0.0773"/>
            <vignetting model="pa" focal="24" aperture="10" distance="1000" k1="-0.1225" k2="-0.1233" k3="0.0773"/>
            <vignetting model="pa" focal="24" aperture="11" distance="10" k1="-0.1255" k2="-0.1130" k3="0.0702"/>
            <vignetting model="pa" focal="24" aperture="11" distance="1000" k1="-0.1255" k2="-0.1130" k3="0.0702"/>
            <vignetting model="pa" focal="24" aperture="13" distance="10" k1="-0.1248" k2="-0.1116" k3="0.0686"/>
            <vignetting model="pa" focal="24" aperture="13" distance="1000" k1="-0.1248" k2="-0.1116" k3="0.0686"/>
            <vignetting model="pa" focal="24" aperture="14" distance="10" k1="-0.1306" k2="-0.0981" k3="0.0611"/>
            <vignetting model="pa" focal="24" aperture="14" distance="1000" k1="-0.1306" k2="-0.0981" k3="0.0611"/>
            <vignetting model="pa" focal="24" aperture="16" distance="10" k1="-0.1341" k2="-0.0895" k3="0.0554"/>
            <vignetting model="pa" focal="24" aperture="16" distance="1000" k1="-0.1341" k2="-0.0895" k3="0.0554"/>
            <vignetting model="pa" focal="24" aperture="18" distance="10" k1="-0.1303" k2="-0.0986" k3="0.0623"/>
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            <vignetting model="pa" focal="74" aperture="29" distance="10" k1="-0.0394" k2="-0.1034" k3="0.0893"/>
            <vignetting model="pa" focal="74" aperture="29" distance="1000" k1="-0.0394" k2="-0.1034" k3="0.0893"/>
            <vignetting model="pa" focal="74" aperture="32" distance="10" k1="-0.0450" k2="-0.0906" k3="0.0819"/>
            <vignetting model="pa" focal="74" aperture="32" distance="1000" k1="-0.0450" k2="-0.0906" k3="0.0819"/>
            <vignetting model="pa" focal="97" aperture="5.6" distance="10" k1="-0.5143" k2="0.3646" k3="-0.2930"/>
            <vignetting model="pa" focal="97" aperture="5.6" distance="1000" k1="-0.5143" k2="0.3646" k3="-0.2930"/>
            <vignetting model="pa" focal="97" aperture="6.3" distance="10" k1="-0.0659" k2="0.1080" k3="-0.3563"/>
            <vignetting model="pa" focal="97" aperture="6.3" distance="1000" k1="-0.0659" k2="0.1080" k3="-0.3563"/>
            <vignetting model="pa" focal="97" aperture="7.1" distance="10" k1="-0.1705" k2="0.5267" k3="-0.6107"/>
            <vignetting model="pa" focal="97" aperture="7.1" distance="1000" k1="-0.1705" k2="0.5267" k3="-0.6107"/>
            <vignetting model="pa" focal="97" aperture="8" distance="10" k1="-0.1831" k2="0.5287" k3="-0.5450"/>
            <vignetting model="pa" focal="97" aperture="8" distance="1000" k1="-0.1831" k2="0.5287" k3="-0.5450"/>
            <vignetting model="pa" focal="97" aperture="9" distance="10" k1="-0.1681" k2="0.4288" k3="-0.4098"/>
            <vignetting model="pa" focal="97" aperture="9" distance="1000" k1="-0.1681" k2="0.4288" k3="-0.4098"/>
            <vignetting model="pa" focal="97" aperture="10" distance="10" k1="-0.1431" k2="0.3190" k3="-0.2945"/>
            <vignetting model="pa" focal="97" aperture="10" distance="1000" k1="-0.1431" k2="0.3190" k3="-0.2945"/>
            <vignetting model="pa" focal="97" aperture="11" distance="10" k1="-0.0894" k2="0.1110" k3="-0.1020"/>
            <vignetting model="pa" focal="97" aperture="11" distance="1000" k1="-0.0894" k2="0.1110" k3="-0.1020"/>
            <vignetting model="pa" focal="97" aperture="13" distance="10" k1="-0.0580" k2="-0.0122" k3="0.0120"/>
            <vignetting model="pa" focal="97" aperture="13" distance="1000" k1="-0.0580" k2="-0.0122" k3="0.0120"/>
            <vignetting model="pa" focal="97" aperture="14" distance="10" k1="-0.0485" k2="-0.0412" k3="0.0347"/>
            <vignetting model="pa" focal="97" aperture="14" distance="1000" k1="-0.0485" k2="-0.0412" k3="0.0347"/>
            <vignetting model="pa" focal="97" aperture="16" distance="10" k1="-0.0314" k2="-0.0923" k3="0.0759"/>
            <vignetting model="pa" focal="97" aperture="16" distance="1000" k1="-0.0314" k2="-0.0923" k3="0.0759"/>
            <vignetting model="pa" focal="97" aperture="18" distance="10" k1="-0.0220" k2="-0.1190" k3="0.0956"/>
            <vignetting model="pa" focal="97" aperture="18" distance="1000" k1="-0.0220" k2="-0.1190" k3="0.0956"/>
            <vignetting model="pa" focal="97" aperture="20" distance="10" k1="-0.0208" k2="-0.1212" k3="0.0964"/>
            <vignetting model="pa" focal="97" aperture="20" distance="1000" k1="-0.0208" k2="-0.1212" k3="0.0964"/>
            <vignetting model="pa" focal="97" aperture="22" distance="10" k1="-0.0158" k2="-0.1337" k3="0.1044"/>
            <vignetting model="pa" focal="97" aperture="22" distance="1000" k1="-0.0158" k2="-0.1337" k3="0.1044"/>
            <vignetting model="pa" focal="97" aperture="25" distance="10" k1="-0.0115" k2="-0.1430" k3="0.1103"/>
            <vignetting model="pa" focal="97" aperture="25" distance="1000" k1="-0.0115" k2="-0.1430" k3="0.1103"/>
            <vignetting model="pa" focal="97" aperture="29" distance="10" k1="-0.0227" k2="-0.1213" k3="0.0984"/>
            <vignetting model="pa" focal="97" aperture="29" distance="1000" k1="-0.0227" k2="-0.1213" k3="0.0984"/>
            <vignetting model="pa" focal="97" aperture="32" distance="10" k1="-0.0287" k2="-0.1058" k3="0.0880"/>
            <vignetting model="pa" focal="97" aperture="32" distance="1000" k1="-0.0287" k2="-0.1058" k3="0.0880"/>
            <vignetting model="pa" focal="97" aperture="36" distance="10" k1="-0.0327" k2="-0.0970" k3="0.0832"/>
            <vignetting model="pa" focal="97" aperture="36" distance="1000" k1="-0.0327" k2="-0.0970" k3="0.0832"/>
            <vignetting model="pa" focal="113" aperture="5.6" distance="10" k1="-0.5714" k2="0.4623" k3="-0.3447"/>
            <vignetting model="pa" focal="113" aperture="5.6" distance="1000" k1="-0.5714" k2="0.4623" k3="-0.3447"/>
            <vignetting model="pa" focal="113" aperture="6.3" distance="10" k1="-0.0291" k2="-0.2506" k3="-0.0723"/>
            <vignetting model="pa" focal="113" aperture="6.3" distance="1000" k1="-0.0291" k2="-0.2506" k3="-0.0723"/>
            <vignetting model="pa" focal="113" aperture="7.1" distance="10" k1="-0.0718" k2="0.1907" k3="-0.4139"/>
            <vignetting model="pa" focal="113" aperture="7.1" distance="1000" k1="-0.0718" k2="0.1907" k3="-0.4139"/>
            <vignetting model="pa" focal="113" aperture="8" distance="10" k1="-0.1465" k2="0.4453" k3="-0.5275"/>
            <vignetting model="pa" focal="113" aperture="8" distance="1000" k1="-0.1465" k2="0.4453" k3="-0.5275"/>
            <vignetting model="pa" focal="113" aperture="9" distance="10" k1="-0.1713" k2="0.4840" k3="-0.4934"/>
            <vignetting model="pa" focal="113" aperture="9" distance="1000" k1="-0.1713" k2="0.4840" k3="-0.4934"/>
            <vignetting model="pa" focal="113" aperture="10" distance="10" k1="-0.1558" k2="0.4035" k3="-0.3928"/>
            <vignetting model="pa" focal="113" aperture="10" distance="1000" k1="-0.1558" k2="0.4035" k3="-0.3928"/>
            <vignetting model="pa" focal="113" aperture="11" distance="10" k1="-0.1180" k2="0.2397" k3="-0.2231"/>
            <vignetting model="pa" focal="113" aperture="11" distance="1000" k1="-0.1180" k2="0.2397" k3="-0.2231"/>
            <vignetting model="pa" focal="113" aperture="13" distance="10" k1="-0.0632" k2="0.0256" k3="-0.0261"/>
            <vignetting model="pa" focal="113" aperture="13" distance="1000" k1="-0.0632" k2="0.0256" k3="-0.0261"/>
            <vignetting model="pa" focal="113" aperture="14" distance="10" k1="-0.0504" k2="-0.0310" k3="0.0282"/>
            <vignetting model="pa" focal="113" aperture="14" distance="1000" k1="-0.0504" k2="-0.0310" k3="0.0282"/>
            <vignetting model="pa" focal="113" aperture="16" distance="10" k1="-0.0396" k2="-0.0646" k3="0.0570"/>
            <vignetting model="pa" focal="113" aperture="16" distance="1000" k1="-0.0396" k2="-0.0646" k3="0.0570"/>
            <vignetting model="pa" focal="113" aperture="18" distance="10" k1="-0.0255" k2="-0.1061" k3="0.0891"/>
            <vignetting model="pa" focal="113" aperture="18" distance="1000" k1="-0.0255" k2="-0.1061" k3="0.0891"/>
            <vignetting model="pa" focal="113" aperture="20" distance="10" k1="-0.0215" k2="-0.1166" k3="0.0959"/>
            <vignetting model="pa" focal="113" aperture="20" distance="1000" k1="-0.0215" k2="-0.1166" k3="0.0959"/>
            <vignetting model="pa" focal="113" aperture="22" distance="10" k1="-0.0146" k2="-0.1292" k3="0.1017"/>
            <vignetting model="pa" focal="113" aperture="22" distance="1000" k1="-0.0146" k2="-0.1292" k3="0.1017"/>
            <vignetting model="pa" focal="113" aperture="25" distance="10" k1="-0.0052" k2="-0.1518" k3="0.1162"/>
            <vignetting model="pa" focal="113" aperture="25" distance="1000" k1="-0.0052" k2="-0.1518" k3="0.1162"/>
            <vignetting model="pa" focal="113" aperture="29" distance="10" k1="-0.0082" k2="-0.1429" k3="0.1093"/>
            <vignetting model="pa" focal="113" aperture="29" distance="1000" k1="-0.0082" k2="-0.1429" k3="0.1093"/>
            <vignetting model="pa" focal="113" aperture="32" distance="10" k1="-0.0154" k2="-0.1270" k3="0.0995"/>
            <vignetting model="pa" focal="113" aperture="32" distance="1000" k1="-0.0154" k2="-0.1270" k3="0.0995"/>
            <vignetting model="pa" focal="113" aperture="36" distance="10" k1="-0.0237" k2="-0.1084" k3="0.0889"/>
            <vignetting model="pa" focal="113" aperture="36" distance="1000" k1="-0.0237" k2="-0.1084" k3="0.0889"/>
            <vignetting model="pa" focal="135" aperture="5.6" distance="10" k1="-0.5572" k2="0.4241" k3="-0.3221"/>
            <vignetting model="pa" focal="135" aperture="5.6" distance="1000" k1="-0.5572" k2="0.4241" k3="-0.3221"/>
            <vignetting model="pa" focal="135" aperture="6.3" distance="10" k1="-0.0319" k2="-0.2993" k3="-0.0309"/>
            <vignetting model="pa" focal="135" aperture="6.3" distance="1000" k1="-0.0319" k2="-0.2993" k3="-0.0309"/>
            <vignetting model="pa" focal="135" aperture="7.1" distance="10" k1="-0.0273" k2="0.0373" k3="-0.3128"/>
            <vignetting model="pa" focal="135" aperture="7.1" distance="1000" k1="-0.0273" k2="0.0373" k3="-0.3128"/>
            <vignetting model="pa" focal="135" aperture="8" distance="10" k1="-0.1069" k2="0.3186" k3="-0.4459"/>
            <vignetting model="pa" focal="135" aperture="8" distance="1000" k1="-0.1069" k2="0.3186" k3="-0.4459"/>
            <vignetting model="pa" focal="135" aperture="9" distance="10" k1="-0.1513" k2="0.4345" k3="-0.4673"/>
            <vignetting model="pa" focal="135" aperture="9" distance="1000" k1="-0.1513" k2="0.4345" k3="-0.4673"/>
            <vignetting model="pa" focal="135" aperture="10" distance="10" k1="-0.1497" k2="0.3945" k3="-0.3934"/>
            <vignetting model="pa" focal="135" aperture="10" distance="1000" k1="-0.1497" k2="0.3945" k3="-0.3934"/>
            <vignetting model="pa" focal="135" aperture="11" distance="10" k1="-0.1199" k2="0.2527" k3="-0.2341"/>
            <vignetting model="pa" focal="135" aperture="11" distance="1000" k1="-0.1199" k2="0.2527" k3="-0.2341"/>
            <vignetting model="pa" focal="135" aperture="13" distance="10" k1="-0.0677" k2="0.0498" k3="-0.0466"/>
            <vignetting model="pa" focal="135" aperture="13" distance="1000" k1="-0.0677" k2="0.0498" k3="-0.0466"/>
            <vignetting model="pa" focal="135" aperture="14" distance="10" k1="-0.0456" k2="-0.0352" k3="0.0308"/>
            <vignetting model="pa" focal="135" aperture="14" distance="1000" k1="-0.0456" k2="-0.0352" k3="0.0308"/>
            <vignetting model="pa" focal="135" aperture="16" distance="10" k1="-0.0331" k2="-0.0797" k3="0.0696"/>
            <vignetting model="pa" focal="135" aperture="16" distance="1000" k1="-0.0331" k2="-0.0797" k3="0.0696"/>
            <vignetting model="pa" focal="135" aperture="18" distance="10" k1="-0.0240" k2="-0.1058" k3="0.0896"/>
            <vignetting model="pa" focal="135" aperture="18" distance="1000" k1="-0.0240" k2="-0.1058" k3="0.0896"/>
            <vignetting model="pa" focal="135" aperture="20" distance="10" k1="-0.0204" k2="-0.1148" k3="0.0963"/>
            <vignetting model="pa" focal="135" aperture="20" distance="1000" k1="-0.0204" k2="-0.1148" k3="0.0963"/>
            <vignetting model="pa" focal="135" aperture="22" distance="10" k1="-0.0119" k2="-0.1331" k3="0.1065"/>
            <vignetting model="pa" focal="135" aperture="22" distance="1000" k1="-0.0119" k2="-0.1331" k3="0.1065"/>
            <vignetting model="pa" focal="135" aperture="25" distance="10" k1="-0.0058" k2="-0.1465" k3="0.1135"/>
            <vignetting model="pa" focal="135" aperture="25" distance="1000" k1="-0.0058" k2="-0.1465" k3="0.1135"/>
            <vignetting model="pa" focal="135" aperture="29" distance="10" k1="-0.0027" k2="-0.1528" k3="0.1175"/>
            <vignetting model="pa" focal="135" aperture="29" distance="1000" k1="-0.0027" k2="-0.1528" k3="0.1175"/>
            <vignetting model="pa" focal="135" aperture="32" distance="10" k1="0.0026" k2="-0.1635" k3="0.1234"/>
            <vignetting model="pa" focal="135" aperture="32" distance="1000" k1="0.0026" k2="-0.1635" k3="0.1234"/>
            <vignetting model="pa" focal="135" aperture="36" distance="10" k1="-0.0031" k2="-0.1495" k3="0.1143"/>
            <vignetting model="pa" focal="135" aperture="36" distance="1000" k1="-0.0031" k2="-0.1495" k3="0.1143"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF-S 18-55mm f/3.5-5.6 IS</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.622</cropfactor>
        <calibration>
            <!-- Taken with cropfactor 1.622 (Canon 50D or 450D) -->
            <distortion model="ptlens" focal="18" a="0.00644" b="-0.01245" c="-0.0348"/>
            <distortion model="ptlens" focal="21" a="0.00345" b="-0.00918" c="-0.01759"/>
            <distortion model="ptlens" focal="24" a="0.01705" b="-0.05405" c="0.03261"/>
            <distortion model="ptlens" focal="28" a="-0.00353" b="0.01826" c="-0.04406"/>
            <distortion model="ptlens" focal="35" a="0" b="0" c="0"/>
            <distortion model="ptlens" focal="44" a="0.00915" b="-0.01128" c="-0.01171"/>
            <distortion model="ptlens" focal="55" a="-0.02782" b="0.0964" c="-0.09883"/>
            <tca model="poly3" focal="18" br="-0.0003176" vr="1.0009927" bb="0.0002609" vb="0.9995018"/>
            <tca model="poly3" focal="21" br="-0.00017015" vr="1.00085065" bb="0.00015435" vb="0.99956185"/>
            <tca model="poly3" focal="24" br="-0.00005475" vr="1.0006983" bb="0.00011575" vb="0.99960995"/>
            <tca model="poly3" focal="28" br="0.0000031" vr="1.0005299" bb="0.0000856" vb="0.99967605"/>
            <tca model="poly3" focal="35" br="-0.0000414" vr="1.00034975" bb="0.00003195" vb="0.9998738"/>
            <tca model="poly3" focal="44" br="-0.0000039" vr="1.0001012" bb="0.000014" vb="1.0000481"/>
            <tca model="poly3" focal="55" br="-0.0000096" vr="0.99992965" bb="0.00000225" vb="1.0002339"/>
            <!-- Taken with Canon EOS 550D -->
            <vignetting model="pa" focal="18" aperture="3.5" distance="10" k1="-1.0505" k2="0.9425" k3="-0.4433"/>
            <vignetting model="pa" focal="18" aperture="3.5" distance="1000" k1="-1.0505" k2="0.9425" k3="-0.4433"/>
            <vignetting model="pa" focal="18" aperture="4" distance="10" k1="-0.3271" k2="-0.3518" k3="0.2513"/>
            <vignetting model="pa" focal="18" aperture="4" distance="1000" k1="-0.3271" k2="-0.3518" k3="0.2513"/>
            <vignetting model="pa" focal="18" aperture="5.6" distance="10" k1="-0.3159" k2="0.0175" k3="0.0074"/>
            <vignetting model="pa" focal="18" aperture="5.6" distance="1000" k1="-0.3159" k2="0.0175" k3="0.0074"/>
            <vignetting model="pa" focal="18" aperture="8" distance="10" k1="-0.2855" k2="-0.0799" k3="0.0948"/>
            <vignetting model="pa" focal="18" aperture="8" distance="1000" k1="-0.2855" k2="-0.0799" k3="0.0948"/>
            <vignetting model="pa" focal="18" aperture="11" distance="10" k1="-0.2723" k2="-0.1029" k3="0.1071"/>
            <vignetting model="pa" focal="18" aperture="11" distance="1000" k1="-0.2723" k2="-0.1029" k3="0.1071"/>
            <vignetting model="pa" focal="18" aperture="16" distance="10" k1="-0.2918" k2="-0.0721" k3="0.0931"/>
            <vignetting model="pa" focal="18" aperture="16" distance="1000" k1="-0.2918" k2="-0.0721" k3="0.0931"/>
            <vignetting model="pa" focal="18" aperture="22" distance="10" k1="-0.2909" k2="-0.0728" k3="0.0940"/>
            <vignetting model="pa" focal="18" aperture="22" distance="1000" k1="-0.2909" k2="-0.0728" k3="0.0940"/>
            <vignetting model="pa" focal="24" aperture="4" distance="10" k1="-0.9648" k2="0.8380" k3="-0.3522"/>
            <vignetting model="pa" focal="24" aperture="4" distance="1000" k1="-0.9648" k2="0.8380" k3="-0.3522"/>
            <vignetting model="pa" focal="24" aperture="5.6" distance="10" k1="-0.2372" k2="-0.0310" k3="0.0141"/>
            <vignetting model="pa" focal="24" aperture="5.6" distance="1000" k1="-0.2372" k2="-0.0310" k3="0.0141"/>
            <vignetting model="pa" focal="24" aperture="8" distance="10" k1="-0.2212" k2="-0.0943" k3="0.0906"/>
            <vignetting model="pa" focal="24" aperture="8" distance="1000" k1="-0.2212" k2="-0.0943" k3="0.0906"/>
            <vignetting model="pa" focal="24" aperture="11" distance="10" k1="-0.2174" k2="-0.1025" k3="0.0963"/>
            <vignetting model="pa" focal="24" aperture="11" distance="1000" k1="-0.2174" k2="-0.1025" k3="0.0963"/>
            <vignetting model="pa" focal="24" aperture="16" distance="10" k1="-0.2134" k2="-0.1124" k3="0.1036"/>
            <vignetting model="pa" focal="24" aperture="16" distance="1000" k1="-0.2134" k2="-0.1124" k3="0.1036"/>
            <vignetting model="pa" focal="24" aperture="22" distance="10" k1="-0.2090" k2="-0.1197" k3="0.1072"/>
            <vignetting model="pa" focal="24" aperture="22" distance="1000" k1="-0.2090" k2="-0.1197" k3="0.1072"/>
            <vignetting model="pa" focal="24" aperture="25" distance="10" k1="-0.2066" k2="-0.1294" k3="0.1140"/>
            <vignetting model="pa" focal="24" aperture="25" distance="1000" k1="-0.2066" k2="-0.1294" k3="0.1140"/>
            <vignetting model="pa" focal="35" aperture="4.5" distance="10" k1="-0.8151" k2="0.6782" k3="-0.2757"/>
            <vignetting model="pa" focal="35" aperture="4.5" distance="1000" k1="-0.8151" k2="0.6782" k3="-0.2757"/>
            <vignetting model="pa" focal="35" aperture="5.6" distance="10" k1="-0.1285" k2="-0.1113" k3="0.0388"/>
            <vignetting model="pa" focal="35" aperture="5.6" distance="1000" k1="-0.1285" k2="-0.1113" k3="0.0388"/>
            <vignetting model="pa" focal="35" aperture="8" distance="10" k1="-0.1474" k2="-0.0722" k3="0.0602"/>
            <vignetting model="pa" focal="35" aperture="8" distance="1000" k1="-0.1474" k2="-0.0722" k3="0.0602"/>
            <vignetting model="pa" focal="35" aperture="11" distance="10" k1="-0.1412" k2="-0.0856" k3="0.0680"/>
            <vignetting model="pa" focal="35" aperture="11" distance="1000" k1="-0.1412" k2="-0.0856" k3="0.0680"/>
            <vignetting model="pa" focal="35" aperture="16" distance="10" k1="-0.1365" k2="-0.0935" k3="0.0715"/>
            <vignetting model="pa" focal="35" aperture="16" distance="1000" k1="-0.1365" k2="-0.0935" k3="0.0715"/>
            <vignetting model="pa" focal="35" aperture="22" distance="10" k1="-0.1504" k2="-0.0671" k3="0.0578"/>
            <vignetting model="pa" focal="35" aperture="22" distance="1000" k1="-0.1504" k2="-0.0671" k3="0.0578"/>
            <vignetting model="pa" focal="35" aperture="29" distance="10" k1="-0.1610" k2="-0.0620" k3="0.0626"/>
            <vignetting model="pa" focal="35" aperture="29" distance="1000" k1="-0.1610" k2="-0.0620" k3="0.0626"/>
            <vignetting model="pa" focal="55" aperture="5.6" distance="10" k1="-0.6219" k2="0.5060" k3="-0.2165"/>
            <vignetting model="pa" focal="55" aperture="5.6" distance="1000" k1="-0.6219" k2="0.5060" k3="-0.2165"/>
            <vignetting model="pa" focal="55" aperture="8" distance="10" k1="-0.0769" k2="-0.0718" k3="0.0485"/>
            <vignetting model="pa" focal="55" aperture="8" distance="1000" k1="-0.0769" k2="-0.0718" k3="0.0485"/>
            <vignetting model="pa" focal="55" aperture="11" distance="10" k1="-0.0775" k2="-0.0813" k3="0.0605"/>
            <vignetting model="pa" focal="55" aperture="11" distance="1000" k1="-0.0775" k2="-0.0813" k3="0.0605"/>
            <vignetting model="pa" focal="55" aperture="16" distance="10" k1="-0.0815" k2="-0.0779" k3="0.0594"/>
            <vignetting model="pa" focal="55" aperture="16" distance="1000" k1="-0.0815" k2="-0.0779" k3="0.0594"/>
            <vignetting model="pa" focal="55" aperture="22" distance="10" k1="-0.0913" k2="-0.0626" k3="0.0522"/>
            <vignetting model="pa" focal="55" aperture="22" distance="1000" k1="-0.0913" k2="-0.0626" k3="0.0522"/>
            <vignetting model="pa" focal="55" aperture="32" distance="10" k1="-0.1028" k2="-0.0492" k3="0.0465"/>
            <vignetting model="pa" focal="55" aperture="32" distance="1000" k1="-0.1028" k2="-0.0492" k3="0.0465"/>
            <vignetting model="pa" focal="55" aperture="36" distance="10" k1="-0.0968" k2="-0.0651" k3="0.0572"/>
            <vignetting model="pa" focal="55" aperture="36" distance="1000" k1="-0.0968" k2="-0.0651" k3="0.0572"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 24-70mm f/2.8L II USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <!-- Taken with Canon EOS 5D Mark III -->
            <distortion model="ptlens" focal="24" a="0.02964" b="-0.07853" c="0.02943"/>
            <distortion model="ptlens" focal="28" a="0.02151" b="-0.05678" c="0.02905"/>
            <distortion model="ptlens" focal="35" a="0.01668" b="-0.04154" c="0.0279"/>
            <distortion model="ptlens" focal="50" a="-0.00223" b="0.01856" c="-0.0182"/>
            <distortion model="ptlens" focal="70" a="0.00907" b="-0.02015" c="0.02311"/>
            <tca model="poly3" focal="24" br="-0.0000220" vr="1.0002104" bb="-0.0000000" vb="1.0000529"/>
            <tca model="poly3" focal="28" br="-0.0000204" vr="1.0001414" bb="-0.0000079" vb="1.0000872"/>
            <tca model="poly3" focal="35" br="-0.0000369" vr="1.0000745" bb="-0.0000106" vb="1.0000704"/>
            <tca model="poly3" focal="50" br="-0.0000305" vr="0.9999836" bb="0.0000023" vb="0.9999503"/>
            <tca model="poly3" focal="70" br="-0.0000053" vr="0.9999048" bb="0.0000167" vb="0.9998521"/>
            <vignetting model="pa" focal="24" aperture="2.8" distance="0.38" k1="-0.5324" k2="-0.9169" k3="0.6118"/>
            <vignetting model="pa" focal="24" aperture="2.8" distance="0.76" k1="-0.5380" k2="-0.8584" k3="0.5817"/>
            <vignetting model="pa" focal="24" aperture="2.8" distance="2.28" k1="-0.5445" k2="-0.8127" k3="0.5488"/>
            <vignetting model="pa" focal="24" aperture="2.8" distance="1000" k1="-0.5334" k2="-0.7926" k3="0.5243"/>
            <vignetting model="pa" focal="24" aperture="4" distance="0.38" k1="-0.6598" k2="0.4100" k3="-0.4916"/>
            <vignetting model="pa" focal="24" aperture="4" distance="0.76" k1="-0.6732" k2="0.4436" k3="-0.4767"/>
            <vignetting model="pa" focal="24" aperture="4" distance="2.28" k1="-0.6785" k2="0.4576" k3="-0.4765"/>
            <vignetting model="pa" focal="24" aperture="4" distance="1000" k1="-0.6889" k2="0.5049" k3="-0.5073"/>
            <vignetting model="pa" focal="24" aperture="5.6" distance="0.38" k1="-0.7625" k2="0.6284" k3="-0.4894"/>
            <vignetting model="pa" focal="24" aperture="5.6" distance="0.76" k1="-0.7068" k2="0.4429" k3="-0.3190"/>
            <vignetting model="pa" focal="24" aperture="5.6" distance="2.28" k1="-0.6955" k2="0.4015" k3="-0.2828"/>
            <vignetting model="pa" focal="24" aperture="5.6" distance="1000" k1="-0.7003" k2="0.4412" k3="-0.3183"/>
            <vignetting model="pa" focal="24" aperture="8" distance="0.38" k1="-0.6918" k2="0.3336" k3="-0.2064"/>
            <vignetting model="pa" focal="24" aperture="8" distance="0.76" k1="-0.6577" k2="0.2275" k3="-0.1131"/>
            <vignetting model="pa" focal="24" aperture="8" distance="2.28" k1="-0.6665" k2="0.2617" k3="-0.1438"/>
            <vignetting model="pa" focal="24" aperture="8" distance="1000" k1="-0.6826" k2="0.3334" k3="-0.2021"/>
            <vignetting model="pa" focal="24" aperture="11" distance="0.38" k1="-0.6565" k2="0.1720" k3="-0.0526"/>
            <vignetting model="pa" focal="24" aperture="11" distance="0.76" k1="-0.6611" k2="0.2171" k3="-0.0941"/>
            <vignetting model="pa" focal="24" aperture="11" distance="2.28" k1="-0.6695" k2="0.2517" k3="-0.1252"/>
            <vignetting model="pa" focal="24" aperture="11" distance="1000" k1="-0.6862" k2="0.3218" k3="-0.1805"/>
            <vignetting model="pa" focal="24" aperture="16" distance="0.38" k1="-0.6570" k2="0.1579" k3="-0.0344"/>
            <vignetting model="pa" focal="24" aperture="16" distance="0.76" k1="-0.6665" k2="0.2198" k3="-0.0898"/>
            <vignetting model="pa" focal="24" aperture="16" distance="2.28" k1="-0.6734" k2="0.2498" k3="-0.1171"/>
            <vignetting model="pa" focal="24" aperture="16" distance="1000" k1="-0.6920" k2="0.3238" k3="-0.1744"/>
            <vignetting model="pa" focal="24" aperture="22" distance="0.38" k1="-0.6640" k2="0.1655" k3="-0.0356"/>
            <vignetting model="pa" focal="24" aperture="22" distance="0.76" k1="-0.6717" k2="0.2228" k3="-0.0871"/>
            <vignetting model="pa" focal="24" aperture="22" distance="2.28" k1="-0.6788" k2="0.2532" k3="-0.1145"/>
            <vignetting model="pa" focal="24" aperture="22" distance="1000" k1="-0.6981" k2="0.3271" k3="-0.1710"/>
            <vignetting model="pa" focal="28" aperture="2.8" distance="0.38" k1="-0.5314" k2="-0.6102" k3="0.4052"/>
            <vignetting model="pa" focal="28" aperture="2.8" distance="0.76" k1="-0.5656" k2="-0.4577" k3="0.2963"/>
            <vignetting model="pa" focal="28" aperture="2.8" distance="2.28" k1="-0.5847" k2="-0.3989" k3="0.2529"/>
            <vignetting model="pa" focal="28" aperture="2.8" distance="1000" k1="-0.5796" k2="-0.3367" k3="0.1881"/>
            <vignetting model="pa" focal="28" aperture="4" distance="0.38" k1="-0.6341" k2="0.4189" k3="-0.3761"/>
            <vignetting model="pa" focal="28" aperture="4" distance="0.76" k1="-0.6373" k2="0.4549" k3="-0.3973"/>
            <vignetting model="pa" focal="28" aperture="4" distance="2.28" k1="-0.6428" k2="0.4833" k3="-0.4249"/>
            <vignetting model="pa" focal="28" aperture="4" distance="1000" k1="-0.6651" k2="0.5708" k3="-0.4970"/>
            <vignetting model="pa" focal="28" aperture="5.6" distance="0.38" k1="-0.5964" k2="0.2054" k3="-0.1109"/>
            <vignetting model="pa" focal="28" aperture="5.6" distance="0.76" k1="-0.5978" k2="0.2487" k3="-0.1525"/>
            <vignetting model="pa" focal="28" aperture="5.6" distance="2.28" k1="-0.6065" k2="0.2762" k3="-0.1756"/>
            <vignetting model="pa" focal="28" aperture="5.6" distance="1000" k1="-0.6168" k2="0.3284" k3="-0.2172"/>
            <vignetting model="pa" focal="28" aperture="8" distance="0.38" k1="-0.5948" k2="0.1812" k3="-0.0814"/>
            <vignetting model="pa" focal="28" aperture="8" distance="0.76" k1="-0.5948" k2="0.2158" k3="-0.1128"/>
            <vignetting model="pa" focal="28" aperture="8" distance="2.28" k1="-0.5977" k2="0.2299" k3="-0.1259"/>
            <vignetting model="pa" focal="28" aperture="8" distance="1000" k1="-0.6069" k2="0.2753" k3="-0.1594"/>
            <vignetting model="pa" focal="28" aperture="11" distance="0.38" k1="-0.6015" k2="0.1822" k3="-0.0739"/>
            <vignetting model="pa" focal="28" aperture="11" distance="0.76" k1="-0.5979" k2="0.2073" k3="-0.0974"/>
            <vignetting model="pa" focal="28" aperture="11" distance="2.28" k1="-0.6015" k2="0.2218" k3="-0.1097"/>
            <vignetting model="pa" focal="28" aperture="11" distance="1000" k1="-0.6116" k2="0.2675" k3="-0.1422"/>
            <vignetting model="pa" focal="28" aperture="16" distance="0.38" k1="-0.6060" k2="0.1834" k3="-0.0692"/>
            <vignetting model="pa" focal="28" aperture="16" distance="0.76" k1="-0.6041" k2="0.2106" k3="-0.0929"/>
            <vignetting model="pa" focal="28" aperture="16" distance="2.28" k1="-0.6044" k2="0.2171" k3="-0.0995"/>
            <vignetting model="pa" focal="28" aperture="16" distance="1000" k1="-0.6176" k2="0.2691" k3="-0.1354"/>
            <vignetting model="pa" focal="28" aperture="22" distance="0.38" k1="-0.6089" k2="0.1793" k3="-0.0616"/>
            <vignetting model="pa" focal="28" aperture="22" distance="0.76" k1="-0.6062" k2="0.2036" k3="-0.0829"/>
            <vignetting model="pa" focal="28" aperture="22" distance="2.28" k1="-0.6079" k2="0.2130" k3="-0.0908"/>
            <vignetting model="pa" focal="28" aperture="22" distance="1000" k1="-0.6214" k2="0.2649" k3="-0.1264"/>
            <vignetting model="pa" focal="35" aperture="2.8" distance="0.38" k1="-0.6219" k2="0.0305" k3="-0.0893"/>
            <vignetting model="pa" focal="35" aperture="2.8" distance="0.76" k1="-0.6559" k2="0.1407" k3="-0.1797"/>
            <vignetting model="pa" focal="35" aperture="2.8" distance="2.28" k1="-0.6505" k2="0.1384" k3="-0.1870"/>
            <vignetting model="pa" focal="35" aperture="2.8" distance="1000" k1="-0.6559" k2="0.1689" k3="-0.2166"/>
            <vignetting model="pa" focal="35" aperture="4" distance="0.38" k1="-0.6016" k2="0.5514" k3="-0.4750"/>
            <vignetting model="pa" focal="35" aperture="4" distance="0.76" k1="-0.6080" k2="0.6087" k3="-0.5348"/>
            <vignetting model="pa" focal="35" aperture="4" distance="2.28" k1="-0.6108" k2="0.6189" k3="-0.5478"/>
            <vignetting model="pa" focal="35" aperture="4" distance="1000" k1="-0.6307" k2="0.6882" k3="-0.6013"/>
            <vignetting model="pa" focal="35" aperture="5.6" distance="0.38" k1="-0.5466" k2="0.3128" k3="-0.2374"/>
            <vignetting model="pa" focal="35" aperture="5.6" distance="0.76" k1="-0.5423" k2="0.3160" k3="-0.2391"/>
            <vignetting model="pa" focal="35" aperture="5.6" distance="2.28" k1="-0.5420" k2="0.3131" k3="-0.2357"/>
            <vignetting model="pa" focal="35" aperture="5.6" distance="1000" k1="-0.5577" k2="0.3719" k3="-0.2787"/>
            <vignetting model="pa" focal="35" aperture="8" distance="0.38" k1="-0.5414" k2="0.2781" k3="-0.1982"/>
            <vignetting model="pa" focal="35" aperture="8" distance="0.76" k1="-0.5279" k2="0.2506" k3="-0.1725"/>
            <vignetting model="pa" focal="35" aperture="8" distance="2.28" k1="-0.5276" k2="0.2399" k3="-0.1590"/>
            <vignetting model="pa" focal="35" aperture="8" distance="1000" k1="-0.5323" k2="0.2683" k3="-0.1774"/>
            <vignetting model="pa" focal="35" aperture="11" distance="0.38" k1="-0.5453" k2="0.2737" k3="-0.1863"/>
            <vignetting model="pa" focal="35" aperture="11" distance="0.76" k1="-0.5313" k2="0.2413" k3="-0.1548"/>
            <vignetting model="pa" focal="35" aperture="11" distance="2.28" k1="-0.5310" k2="0.2303" k3="-0.1408"/>
            <vignetting model="pa" focal="35" aperture="11" distance="1000" k1="-0.5407" k2="0.2680" k3="-0.1643"/>
            <vignetting model="pa" focal="35" aperture="16" distance="0.38" k1="-0.5498" k2="0.2744" k3="-0.1818"/>
            <vignetting model="pa" focal="35" aperture="16" distance="0.76" k1="-0.5395" k2="0.2492" k3="-0.1535"/>
            <vignetting model="pa" focal="35" aperture="16" distance="2.28" k1="-0.5361" k2="0.2309" k3="-0.1344"/>
            <vignetting model="pa" focal="35" aperture="16" distance="1000" k1="-0.5469" k2="0.2706" k3="-0.1586"/>
            <vignetting model="pa" focal="35" aperture="22" distance="0.38" k1="-0.5541" k2="0.2792" k3="-0.1832"/>
            <vignetting model="pa" focal="35" aperture="22" distance="0.76" k1="-0.5433" k2="0.2519" k3="-0.1532"/>
            <vignetting model="pa" focal="35" aperture="22" distance="2.28" k1="-0.5389" k2="0.2307" k3="-0.1312"/>
            <vignetting model="pa" focal="35" aperture="22" distance="1000" k1="-0.5510" k2="0.2723" k3="-0.1562"/>
            <vignetting model="pa" focal="50" aperture="2.8" distance="0.38" k1="-0.8412" k2="0.8591" k3="-0.7751"/>
            <vignetting model="pa" focal="50" aperture="2.8" distance="0.76" k1="-0.7442" k2="0.5381" k3="-0.5339"/>
            <vignetting model="pa" focal="50" aperture="2.8" distance="2.28" k1="-0.7013" k2="0.3674" k3="-0.4003"/>
            <vignetting model="pa" focal="50" aperture="2.8" distance="1000" k1="-0.6708" k2="0.2618" k3="-0.3191"/>
            <vignetting model="pa" focal="50" aperture="4" distance="0.38" k1="-0.6288" k2="1.0150" k3="-0.9942"/>
            <vignetting model="pa" focal="50" aperture="4" distance="0.76" k1="-0.5665" k2="0.8090" k3="-0.8244"/>
            <vignetting model="pa" focal="50" aperture="4" distance="2.28" k1="-0.5370" k2="0.7039" k3="-0.7391"/>
            <vignetting model="pa" focal="50" aperture="4" distance="1000" k1="-0.5376" k2="0.6855" k3="-0.7145"/>
            <vignetting model="pa" focal="50" aperture="5.6" distance="0.38" k1="-0.6064" k2="0.8725" k3="-0.8081"/>
            <vignetting model="pa" focal="50" aperture="5.6" distance="0.76" k1="-0.5597" k2="0.7110" k3="-0.6529"/>
            <vignetting model="pa" focal="50" aperture="5.6" distance="2.28" k1="-0.5430" k2="0.6455" k3="-0.5898"/>
            <vignetting model="pa" focal="50" aperture="5.6" distance="1000" k1="-0.5565" k2="0.6666" k3="-0.5880"/>
            <vignetting model="pa" focal="50" aperture="8" distance="0.38" k1="-0.5483" k2="0.6334" k3="-0.5772"/>
            <vignetting model="pa" focal="50" aperture="8" distance="0.76" k1="-0.4992" k2="0.4522" k3="-0.3960"/>
            <vignetting model="pa" focal="50" aperture="8" distance="2.28" k1="-0.4805" k2="0.3744" k3="-0.3178"/>
            <vignetting model="pa" focal="50" aperture="8" distance="1000" k1="-0.4891" k2="0.3846" k3="-0.3060"/>
            <vignetting model="pa" focal="50" aperture="11" distance="0.38" k1="-0.5144" k2="0.4766" k3="-0.4242"/>
            <vignetting model="pa" focal="50" aperture="11" distance="0.76" k1="-0.4688" k2="0.3098" k3="-0.2545"/>
            <vignetting model="pa" focal="50" aperture="11" distance="2.28" k1="-0.4509" k2="0.2381" k3="-0.1817"/>
            <vignetting model="pa" focal="50" aperture="11" distance="1000" k1="-0.4631" k2="0.2604" k3="-0.1804"/>
            <vignetting model="pa" focal="50" aperture="16" distance="0.38" k1="-0.5109" k2="0.4418" k3="-0.3831"/>
            <vignetting model="pa" focal="50" aperture="16" distance="0.76" k1="-0.4731" k2="0.3028" k3="-0.2373"/>
            <vignetting model="pa" focal="50" aperture="16" distance="2.28" k1="-0.4576" k2="0.2410" k3="-0.1735"/>
            <vignetting model="pa" focal="50" aperture="16" distance="1000" k1="-0.4685" k2="0.2607" k3="-0.1704"/>
            <vignetting model="pa" focal="50" aperture="22" distance="0.38" k1="-0.5117" k2="0.4357" k3="-0.3738"/>
            <vignetting model="pa" focal="50" aperture="22" distance="0.76" k1="-0.4785" k2="0.3085" k3="-0.2364"/>
            <vignetting model="pa" focal="50" aperture="22" distance="2.28" k1="-0.4622" k2="0.2449" k3="-0.1714"/>
            <vignetting model="pa" focal="50" aperture="22" distance="1000" k1="-0.4742" k2="0.2654" k3="-0.1679"/>
            <vignetting model="pa" focal="70" aperture="2.8" distance="0.38" k1="-0.7965" k2="0.7982" k3="-0.6515"/>
            <vignetting model="pa" focal="70" aperture="2.8" distance="0.76" k1="-0.8490" k2="0.7522" k3="-0.5625"/>
            <vignetting model="pa" focal="70" aperture="2.8" distance="2.28" k1="-0.9092" k2="0.7947" k3="-0.5491"/>
            <vignetting model="pa" focal="70" aperture="2.8" distance="1000" k1="-0.9113" k2="0.7501" k3="-0.5041"/>
            <vignetting model="pa" focal="70" aperture="4" distance="0.38" k1="-0.5124" k2="0.7389" k3="-0.7073"/>
            <vignetting model="pa" focal="70" aperture="4" distance="0.76" k1="-0.4602" k2="0.5934" k3="-0.6096"/>
            <vignetting model="pa" focal="70" aperture="4" distance="2.28" k1="-0.4122" k2="0.4348" k3="-0.5087"/>
            <vignetting model="pa" focal="70" aperture="4" distance="1000" k1="-0.3981" k2="0.3671" k3="-0.4525"/>
            <vignetting model="pa" focal="70" aperture="5.6" distance="0.38" k1="-0.4313" k2="0.3788" k3="-0.3296"/>
            <vignetting model="pa" focal="70" aperture="5.6" distance="0.76" k1="-0.4253" k2="0.3796" k3="-0.3240"/>
            <vignetting model="pa" focal="70" aperture="5.6" distance="2.28" k1="-0.4202" k2="0.3627" k3="-0.3077"/>
            <vignetting model="pa" focal="70" aperture="5.6" distance="1000" k1="-0.4463" k2="0.4183" k3="-0.3371"/>
            <vignetting model="pa" focal="70" aperture="8" distance="0.38" k1="-0.3725" k2="0.1437" k3="-0.1122"/>
            <vignetting model="pa" focal="70" aperture="8" distance="0.76" k1="-0.3534" k2="0.0885" k3="-0.0499"/>
            <vignetting model="pa" focal="70" aperture="8" distance="2.28" k1="-0.3469" k2="0.0622" k3="-0.0204"/>
            <vignetting model="pa" focal="70" aperture="8" distance="1000" k1="-0.3693" k2="0.1071" k3="-0.0375"/>
            <vignetting model="pa" focal="70" aperture="11" distance="0.38" k1="-0.3763" k2="0.1389" k3="-0.0989"/>
            <vignetting model="pa" focal="70" aperture="11" distance="0.76" k1="-0.3520" k2="0.0708" k3="-0.0269"/>
            <vignetting model="pa" focal="70" aperture="11" distance="2.28" k1="-0.3454" k2="0.0449" k3="0.0024"/>
            <vignetting model="pa" focal="70" aperture="11" distance="1000" k1="-0.3739" k2="0.1023" k3="-0.0228"/>
            <vignetting model="pa" focal="70" aperture="16" distance="0.38" k1="-0.3844" k2="0.1522" k3="-0.1022"/>
            <vignetting model="pa" focal="70" aperture="16" distance="0.76" k1="-0.3650" k2="0.0943" k3="-0.0365"/>
            <vignetting model="pa" focal="70" aperture="16" distance="2.28" k1="-0.3567" k2="0.0652" k3="-0.0051"/>
            <vignetting model="pa" focal="70" aperture="16" distance="1000" k1="-0.3848" k2="0.1222" k3="-0.0306"/>
            <vignetting model="pa" focal="70" aperture="22" distance="0.38" k1="-0.3922" k2="0.1655" k3="-0.1072"/>
            <vignetting model="pa" focal="70" aperture="22" distance="0.76" k1="-0.3759" k2="0.1168" k3="-0.0484"/>
            <vignetting model="pa" focal="70" aperture="22" distance="2.28" k1="-0.3697" k2="0.0921" k3="-0.0199"/>
            <vignetting model="pa" focal="70" aperture="22" distance="1000" k1="-0.3970" k2="0.1468" k3="-0.0434"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF-S 15-85mm f/3.5-5.6 IS USM</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.613</cropfactor>
        <calibration>
            <!-- Taken with Canon 550D -->
            <distortion model="ptlens" focal="15" a="0.0184" b="-0.03224" c="-0.03581"/>
            <distortion model="ptlens" focal="17" a="0.02912" b="-0.08348" c="0.0641"/>
            <distortion model="ptlens" focal="18" a="0.02432" b="-0.06148" c="0.03995"/>
            <distortion model="ptlens" focal="19" a="0.01682" b="-0.04154" c="0.03783"/>
            <distortion model="ptlens" focal="21" a="0.01432" b="-0.03294" c="0.03046"/>
            <distortion model="ptlens" focal="22" a="0.00798" b="-0.01214" c="0.01256"/>
            <distortion model="ptlens" focal="24" a="0.00993" b="-0.01948" c="0.02317"/>
            <distortion model="ptlens" focal="35" a="0.00161" b="-0.00086" c="0.01326"/>
            <distortion model="ptlens" focal="50" a="0.0042" b="-0.00871" c="0.01862"/>
            <distortion model="ptlens" focal="70" a="0.00378" b="-0.0078" c="0.01051"/>
            <distortion model="ptlens" focal="85" a="0.00118" b="-0.00081" c="0.00592"/>
            <tca model="poly3" focal="15" vr="1.0003" vb="1.0003"/>
            <tca model="poly3" focal="17" vr="1.0004" vb="1.0002"/>
            <tca model="poly3" focal="18" vr="1.0004" vb="1.0002"/>
            <tca model="poly3" focal="18" vr="1.0005" vb="1.0000"/>
            <tca model="poly3" focal="21" vr="1.0003" vb="1.0003"/>
            <tca model="poly3" focal="22" vr="1.0004" vb="1.0001"/>
            <tca model="poly3" focal="24" vr="1.0002" vb="1.0001"/>
            <tca model="poly3" focal="70" vr="0.9999" vb="0.9997"/>
            <tca model="poly3" focal="85" vr="0.9998" vb="0.9995"/>
            <!-- Taken with Canon EOS 80DD -->
            <vignetting model="pa" focal="15" aperture="3.5" distance="10" k1="0.0899" k2="-1.3924" k3="0.6879"/>
            <vignetting model="pa" focal="15" aperture="3.5" distance="1000" k1="0.0899" k2="-1.3924" k3="0.6879"/>
            <vignetting model="pa" focal="15" aperture="4" distance="10" k1="0.3326" k2="-1.4203" k3="0.5510"/>
            <vignetting model="pa" focal="15" aperture="4" distance="1000" k1="0.3326" k2="-1.4203" k3="0.5510"/>
            <vignetting model="pa" focal="15" aperture="5.6" distance="10" k1="0.0376" k2="-0.4418" k3="0.0231"/>
            <vignetting model="pa" focal="15" aperture="5.6" distance="1000" k1="0.0376" k2="-0.4418" k3="0.0231"/>
            <vignetting model="pa" focal="15" aperture="8" distance="10" k1="0.0785" k2="-0.6808" k3="0.2938"/>
            <vignetting model="pa" focal="15" aperture="8" distance="1000" k1="0.0785" k2="-0.6808" k3="0.2938"/>
            <vignetting model="pa" focal="15" aperture="22" distance="10" k1="0.0730" k2="-0.6801" k3="0.2984"/>
            <vignetting model="pa" focal="15" aperture="22" distance="1000" k1="0.0730" k2="-0.6801" k3="0.2984"/>
            <vignetting model="pa" focal="24" aperture="4" distance="10" k1="-0.1799" k2="0.3425" k3="-0.5395"/>
            <vignetting model="pa" focal="24" aperture="4" distance="1000" k1="-0.1799" k2="0.3425" k3="-0.5395"/>
            <vignetting model="pa" focal="24" aperture="5.6" distance="10" k1="0.0432" k2="-0.0504" k3="-0.1885"/>
            <vignetting model="pa" focal="24" aperture="5.6" distance="1000" k1="0.0432" k2="-0.0504" k3="-0.1885"/>
            <vignetting model="pa" focal="24" aperture="8" distance="10" k1="0.0396" k2="-0.2227" k3="0.0006"/>
            <vignetting model="pa" focal="24" aperture="8" distance="1000" k1="0.0396" k2="-0.2227" k3="0.0006"/>
            <vignetting model="pa" focal="24" aperture="11" distance="10" k1="0.0486" k2="-0.2586" k3="0.0433"/>
            <vignetting model="pa" focal="24" aperture="11" distance="1000" k1="0.0486" k2="-0.2586" k3="0.0433"/>
            <vignetting model="pa" focal="24" aperture="29" distance="10" k1="0.0565" k2="-0.2431" k3="0.0169"/>
            <vignetting model="pa" focal="24" aperture="29" distance="1000" k1="0.0565" k2="-0.2431" k3="0.0169"/>
            <vignetting model="pa" focal="35" aperture="4.5" distance="10" k1="-0.3195" k2="0.9108" k3="-0.9451"/>
            <vignetting model="pa" focal="35" aperture="4.5" distance="1000" k1="-0.3195" k2="0.9108" k3="-0.9451"/>
            <vignetting model="pa" focal="35" aperture="5.6" distance="10" k1="-0.0813" k2="0.4796" k3="-0.5798"/>
            <vignetting model="pa" focal="35" aperture="5.6" distance="1000" k1="-0.0813" k2="0.4796" k3="-0.5798"/>
            <vignetting model="pa" focal="35" aperture="8" distance="10" k1="0.0161" k2="0.0857" k3="-0.2041"/>
            <vignetting model="pa" focal="35" aperture="8" distance="1000" k1="0.0161" k2="0.0857" k3="-0.2041"/>
            <vignetting model="pa" focal="35" aperture="11" distance="10" k1="0.0423" k2="-0.0497" k3="-0.0739"/>
            <vignetting model="pa" focal="35" aperture="11" distance="1000" k1="0.0423" k2="-0.0497" k3="-0.0739"/>
            <vignetting model="pa" focal="35" aperture="29" distance="10" k1="-0.0328" k2="0.1456" k3="-0.2177"/>
            <vignetting model="pa" focal="35" aperture="29" distance="1000" k1="-0.0328" k2="0.1456" k3="-0.2177"/>
            <vignetting model="pa" focal="50" aperture="5" distance="10" k1="-0.3523" k2="0.9643" k3="-0.9705"/>
            <vignetting model="pa" focal="50" aperture="5" distance="1000" k1="-0.3523" k2="0.9643" k3="-0.9705"/>
            <vignetting model="pa" focal="50" aperture="5.6" distance="10" k1="-0.1417" k2="0.6833" k3="-0.8001"/>
            <vignetting model="pa" focal="50" aperture="5.6" distance="1000" k1="-0.1417" k2="0.6833" k3="-0.8001"/>
            <vignetting model="pa" focal="50" aperture="8" distance="10" k1="-0.0670" k2="0.3005" k3="-0.3404"/>
            <vignetting model="pa" focal="50" aperture="8" distance="1000" k1="-0.0670" k2="0.3005" k3="-0.3404"/>
            <vignetting model="pa" focal="50" aperture="11" distance="10" k1="0.0102" k2="0.0120" k3="-0.0906"/>
            <vignetting model="pa" focal="50" aperture="11" distance="1000" k1="0.0102" k2="0.0120" k3="-0.0906"/>
            <vignetting model="pa" focal="50" aperture="32" distance="10" k1="-0.0425" k2="0.1241" k3="-0.1613"/>
            <vignetting model="pa" focal="50" aperture="32" distance="1000" k1="-0.0425" k2="0.1241" k3="-0.1613"/>
            <vignetting model="pa" focal="85" aperture="5.6" distance="10" k1="-0.1310" k2="0.3682" k3="-0.6638"/>
            <vignetting model="pa" focal="85" aperture="5.6" distance="1000" k1="-0.1310" k2="0.3682" k3="-0.6638"/>
            <vignetting model="pa" focal="85" aperture="8" distance="10" k1="-0.2291" k2="0.7933" k3="-0.7405"/>
            <vignetting model="pa" focal="85" aperture="8" distance="1000" k1="-0.2291" k2="0.7933" k3="-0.7405"/>
            <vignetting model="pa" focal="85" aperture="11" distance="10" k1="-0.1066" k2="0.2597" k3="-0.2209"/>
            <vignetting model="pa" focal="85" aperture="11" distance="1000" k1="-0.1066" k2="0.2597" k3="-0.2209"/>
            <vignetting model="pa" focal="85" aperture="16" distance="10" k1="-0.1041" k2="0.2019" k3="-0.1525"/>
            <vignetting model="pa" focal="85" aperture="16" distance="1000" k1="-0.1041" k2="0.2019" k3="-0.1525"/>
            <vignetting model="pa" focal="85" aperture="36" distance="10" k1="-0.1568" k2="0.2871" k3="-0.1931"/>
            <vignetting model="pa" focal="85" aperture="36" distance="1000" k1="-0.1568" k2="0.2871" k3="-0.1931"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 50-200mm f/3.5-4.5L</model>
        <mount>Canon EF</mount>
        <cropfactor>1.622</cropfactor>
        <calibration>
            <!-- Taken with Canon 50D -->
            <distortion model="poly3" focal="50" k1="-0.0059"/>
            <distortion model="poly3" focal="60" k1="-0.00313"/>
            <distortion model="poly3" focal="70" k1="-0.00103"/>
            <distortion model="poly3" focal="75" k1="0.00035"/>
            <distortion model="poly3" focal="100" k1="0.00199"/>
            <distortion model="poly3" focal="135" k1="0.00329"/>
            <distortion model="poly3" focal="157" k1="0.0032"/>
            <distortion model="poly3" focal="200" k1="0.00263"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 50-200mm f/3.5-4.5L</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <!-- Taken with Canon 5Dm3 -->
            <distortion model="poly3" focal="50" k1="-0.00757"/>
            <distortion model="poly3" focal="60" k1="-0.00181"/>
            <distortion model="poly3" focal="70" k1="0.00277"/>
            <distortion model="poly3" focal="80" k1="0.00803"/>
            <distortion model="poly3" focal="100" k1="0.01146"/>
            <distortion model="poly3" focal="135" k1="0.01158"/>
            <distortion model="poly3" focal="200" k1="0.01318"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 70-300mm f/4-5.6L IS USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1.605</cropfactor>
        <calibration>
            <!-- Taken with Canon EOS 7D Mark II -->
            <distortion model="ptlens" focal="70" a="-0.00045" b="-0.00205" c="-0.00015"/>
            <distortion model="ptlens" focal="100" a="0.00011" b="-0.00117" c="0.0046"/>
            <distortion model="ptlens" focal="135" a="-0.00049" b="0.00448" c="-0.00148"/>
            <distortion model="ptlens" focal="200" a="-0.00028" b="0.00333" c="0.00188"/>
            <distortion model="ptlens" focal="300" a="-0.00786" b="0.03374" c="-0.03568"/>
            <tca model="poly3" focal="70" br="-0.0000198" vr="1.0003652" bb="0.0000198" vb="0.9999893"/>
            <tca model="poly3" focal="100" br="-0.0000398" vr="1.0003224" bb="0.0000367" vb="0.9999341"/>
            <tca model="poly3" focal="135" br="-0.0000330" vr="1.0002305" bb="0.0000249" vb="0.9998913"/>
            <tca model="poly3" focal="200" br="-0.0000294" vr="1.0000548" bb="0.0000233" vb="0.9998503"/>
            <tca model="poly3" focal="300" br="-0.0000232" vr="0.9998321" bb="-0.0000109" vb="0.9998920"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 70-300mm f/4-5.6L IS USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <!-- Taken with Canon 5D -->
            <distortion model="poly3" focal="70" k1="-0.00788"/>
            <distortion model="poly3" focal="78" k1="-0.00489"/>
            <distortion model="poly3" focal="84" k1="-0.00192"/>
            <distortion model="poly3" focal="100" k1="0.00174"/>
            <distortion model="poly3" focal="135" k1="0.00701"/>
            <distortion model="poly3" focal="200" k1="0.00938"/>
            <distortion model="poly3" focal="300" k1="0.00975"/>
            <vignetting model="pa" focal="70" aperture="4" distance="10" k1="-0.5580" k2="-0.0998" k3="0.1127"/>
            <vignetting model="pa" focal="70" aperture="4" distance="1000" k1="-0.5580" k2="-0.0998" k3="0.1127"/>
            <vignetting model="pa" focal="70" aperture="4.5" distance="10" k1="-0.3398" k2="-0.2963" k3="0.1602"/>
            <vignetting model="pa" focal="70" aperture="4.5" distance="1000" k1="-0.3398" k2="-0.2963" k3="0.1602"/>
            <vignetting model="pa" focal="70" aperture="5" distance="10" k1="-0.1781" k2="-0.3772" k3="0.1499"/>
            <vignetting model="pa" focal="70" aperture="5" distance="1000" k1="-0.1781" k2="-0.3772" k3="0.1499"/>
            <vignetting model="pa" focal="70" aperture="5.6" distance="10" k1="-0.2161" k2="0.0326" k3="-0.1140"/>
            <vignetting model="pa" focal="70" aperture="5.6" distance="1000" k1="-0.2161" k2="0.0326" k3="-0.1140"/>
            <vignetting model="pa" focal="70" aperture="6.3" distance="10" k1="-0.2615" k2="0.1579" k3="-0.1124"/>
            <vignetting model="pa" focal="70" aperture="6.3" distance="1000" k1="-0.2615" k2="0.1579" k3="-0.1124"/>
            <vignetting model="pa" focal="70" aperture="7.1" distance="10" k1="-0.2498" k2="0.0902" k3="-0.0242"/>
            <vignetting model="pa" focal="70" aperture="7.1" distance="1000" k1="-0.2498" k2="0.0902" k3="-0.0242"/>
            <vignetting model="pa" focal="70" aperture="8" distance="10" k1="-0.2378" k2="0.0459" k3="0.0172"/>
            <vignetting model="pa" focal="70" aperture="8" distance="1000" k1="-0.2378" k2="0.0459" k3="0.0172"/>
            <vignetting model="pa" focal="70" aperture="9" distance="10" k1="-0.2419" k2="0.0527" k3="0.0135"/>
            <vignetting model="pa" focal="70" aperture="9" distance="1000" k1="-0.2419" k2="0.0527" k3="0.0135"/>
            <vignetting model="pa" focal="70" aperture="10" distance="10" k1="-0.2376" k2="0.0462" k3="0.0168"/>
            <vignetting model="pa" focal="70" aperture="10" distance="1000" k1="-0.2376" k2="0.0462" k3="0.0168"/>
            <vignetting model="pa" focal="70" aperture="11" distance="10" k1="-0.2438" k2="0.0594" k3="0.0088"/>
            <vignetting model="pa" focal="70" aperture="11" distance="1000" k1="-0.2438" k2="0.0594" k3="0.0088"/>
            <vignetting model="pa" focal="70" aperture="13" distance="10" k1="-0.2489" k2="0.0717" k3="0.0015"/>
            <vignetting model="pa" focal="70" aperture="13" distance="1000" k1="-0.2489" k2="0.0717" k3="0.0015"/>
            <vignetting model="pa" focal="70" aperture="14" distance="10" k1="-0.2492" k2="0.0704" k3="0.0025"/>
            <vignetting model="pa" focal="70" aperture="14" distance="1000" k1="-0.2492" k2="0.0704" k3="0.0025"/>
            <vignetting model="pa" focal="70" aperture="16" distance="10" k1="-0.2517" k2="0.0800" k3="-0.0046"/>
            <vignetting model="pa" focal="70" aperture="16" distance="1000" k1="-0.2517" k2="0.0800" k3="-0.0046"/>
            <vignetting model="pa" focal="70" aperture="18" distance="10" k1="-0.2520" k2="0.0815" k3="-0.0060"/>
            <vignetting model="pa" focal="70" aperture="18" distance="1000" k1="-0.2520" k2="0.0815" k3="-0.0060"/>
            <vignetting model="pa" focal="70" aperture="20" distance="10" k1="-0.2526" k2="0.0828" k3="-0.0063"/>
            <vignetting model="pa" focal="70" aperture="20" distance="1000" k1="-0.2526" k2="0.0828" k3="-0.0063"/>
            <vignetting model="pa" focal="70" aperture="22" distance="10" k1="-0.2591" k2="0.0958" k3="-0.0137"/>
            <vignetting model="pa" focal="70" aperture="22" distance="1000" k1="-0.2591" k2="0.0958" k3="-0.0137"/>
            <vignetting model="pa" focal="70" aperture="25" distance="10" k1="-0.2605" k2="0.0999" k3="-0.0164"/>
            <vignetting model="pa" focal="70" aperture="25" distance="1000" k1="-0.2605" k2="0.0999" k3="-0.0164"/>
            <vignetting model="pa" focal="70" aperture="29" distance="10" k1="-0.2623" k2="0.1014" k3="-0.0158"/>
            <vignetting model="pa" focal="70" aperture="29" distance="1000" k1="-0.2623" k2="0.1014" k3="-0.0158"/>
            <vignetting model="pa" focal="70" aperture="32" distance="10" k1="-0.2642" k2="0.1068" k3="-0.0198"/>
            <vignetting model="pa" focal="70" aperture="32" distance="1000" k1="-0.2642" k2="0.1068" k3="-0.0198"/>
            <vignetting model="pa" focal="81" aperture="4" distance="10" k1="-0.7181" k2="0.1841" k3="-0.0260"/>
            <vignetting model="pa" focal="81" aperture="4" distance="1000" k1="-0.7181" k2="0.1841" k3="-0.0260"/>
            <vignetting model="pa" focal="81" aperture="4.5" distance="10" k1="-0.5571" k2="-0.0624" k3="0.0885"/>
            <vignetting model="pa" focal="81" aperture="4.5" distance="1000" k1="-0.5571" k2="-0.0624" k3="0.0885"/>
            <vignetting model="pa" focal="81" aperture="5" distance="10" k1="-0.3266" k2="-0.3706" k3="0.2221"/>
            <vignetting model="pa" focal="81" aperture="5" distance="1000" k1="-0.3266" k2="-0.3706" k3="0.2221"/>
            <vignetting model="pa" focal="81" aperture="5.6" distance="10" k1="-0.1705" k2="-0.2611" k3="0.0768"/>
            <vignetting model="pa" focal="81" aperture="5.6" distance="1000" k1="-0.1705" k2="-0.2611" k3="0.0768"/>
            <vignetting model="pa" focal="81" aperture="6.3" distance="10" k1="-0.2277" k2="-0.0019" k3="-0.0549"/>
            <vignetting model="pa" focal="81" aperture="6.3" distance="1000" k1="-0.2277" k2="-0.0019" k3="-0.0549"/>
            <vignetting model="pa" focal="81" aperture="7.1" distance="10" k1="-0.2449" k2="0.0577" k3="-0.0494"/>
            <vignetting model="pa" focal="81" aperture="7.1" distance="1000" k1="-0.2449" k2="0.0577" k3="-0.0494"/>
            <vignetting model="pa" focal="81" aperture="8" distance="10" k1="-0.2278" k2="-0.0233" k3="0.0475"/>
            <vignetting model="pa" focal="81" aperture="8" distance="1000" k1="-0.2278" k2="-0.0233" k3="0.0475"/>
            <vignetting model="pa" focal="81" aperture="9" distance="10" k1="-0.2187" k2="-0.0464" k3="0.0650"/>
            <vignetting model="pa" focal="81" aperture="9" distance="1000" k1="-0.2187" k2="-0.0464" k3="0.0650"/>
            <vignetting model="pa" focal="81" aperture="32" distance="10" k1="-0.2622" k2="0.0178" k3="0.0418"/>
            <vignetting model="pa" focal="81" aperture="32" distance="1000" k1="-0.2622" k2="0.0178" k3="0.0418"/>
            <vignetting model="pa" focal="100" aperture="4" distance="10" k1="-0.7772" k2="0.3343" k3="-0.0928"/>
            <vignetting model="pa" focal="100" aperture="4" distance="1000" k1="-0.7772" k2="0.3343" k3="-0.0928"/>
            <vignetting model="pa" focal="100" aperture="4.5" distance="10" k1="-0.5079" k2="-0.1323" k3="0.1448"/>
            <vignetting model="pa" focal="100" aperture="4.5" distance="1000" k1="-0.5079" k2="-0.1323" k3="0.1448"/>
            <vignetting model="pa" focal="100" aperture="5" distance="10" k1="-0.3019" k2="-0.3678" k3="0.2369"/>
            <vignetting model="pa" focal="100" aperture="5" distance="1000" k1="-0.3019" k2="-0.3678" k3="0.2369"/>
            <vignetting model="pa" focal="100" aperture="5.6" distance="10" k1="-0.1570" k2="-0.3499" k3="0.1804"/>
            <vignetting model="pa" focal="100" aperture="5.6" distance="1000" k1="-0.1570" k2="-0.3499" k3="0.1804"/>
            <vignetting model="pa" focal="100" aperture="6.3" distance="10" k1="-0.2086" k2="-0.0713" k3="0.0011"/>
            <vignetting model="pa" focal="100" aperture="6.3" distance="1000" k1="-0.2086" k2="-0.0713" k3="0.0011"/>
            <vignetting model="pa" focal="100" aperture="7.1" distance="10" k1="-0.2738" k2="0.1490" k3="-0.1211"/>
            <vignetting model="pa" focal="100" aperture="7.1" distance="1000" k1="-0.2738" k2="0.1490" k3="-0.1211"/>
            <vignetting model="pa" focal="100" aperture="8" distance="10" k1="-0.2773" k2="0.1191" k3="-0.0476"/>
            <vignetting model="pa" focal="100" aperture="8" distance="1000" k1="-0.2773" k2="0.1191" k3="-0.0476"/>
            <vignetting model="pa" focal="100" aperture="9" distance="10" k1="-0.2603" k2="0.0484" k3="0.0186"/>
            <vignetting model="pa" focal="100" aperture="9" distance="1000" k1="-0.2603" k2="0.0484" k3="0.0186"/>
            <vignetting model="pa" focal="100" aperture="10" distance="10" k1="-0.2589" k2="0.0480" k3="0.0178"/>
            <vignetting model="pa" focal="100" aperture="10" distance="1000" k1="-0.2589" k2="0.0480" k3="0.0178"/>
            <vignetting model="pa" focal="100" aperture="11" distance="10" k1="-0.2634" k2="0.0560" k3="0.0130"/>
            <vignetting model="pa" focal="100" aperture="11" distance="1000" k1="-0.2634" k2="0.0560" k3="0.0130"/>
            <vignetting model="pa" focal="100" aperture="13" distance="10" k1="-0.2708" k2="0.0691" k3="0.0080"/>
            <vignetting model="pa" focal="100" aperture="13" distance="1000" k1="-0.2708" k2="0.0691" k3="0.0080"/>
            <vignetting model="pa" focal="100" aperture="14" distance="10" k1="-0.2662" k2="0.0600" k3="0.0133"/>
            <vignetting model="pa" focal="100" aperture="14" distance="1000" k1="-0.2662" k2="0.0600" k3="0.0133"/>
            <vignetting model="pa" focal="100" aperture="16" distance="10" k1="-0.2717" k2="0.0697" k3="0.0093"/>
            <vignetting model="pa" focal="100" aperture="16" distance="1000" k1="-0.2717" k2="0.0697" k3="0.0093"/>
            <vignetting model="pa" focal="100" aperture="32" distance="10" k1="-0.2842" k2="0.0850" k3="0.0072"/>
            <vignetting model="pa" focal="100" aperture="32" distance="1000" k1="-0.2842" k2="0.0850" k3="0.0072"/>
            <vignetting model="pa" focal="112" aperture="4.5" distance="10" k1="-0.7241" k2="0.1831" k3="0.0097"/>
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            <vignetting model="pa" focal="112" aperture="7.1" distance="1000" k1="-0.2174" k2="-0.0168" k3="-0.0540"/>
            <vignetting model="pa" focal="112" aperture="8" distance="10" k1="-0.2710" k2="0.1458" k3="-0.1106"/>
            <vignetting model="pa" focal="112" aperture="8" distance="1000" k1="-0.2710" k2="0.1458" k3="-0.1106"/>
            <vignetting model="pa" focal="112" aperture="9" distance="10" k1="-0.2562" k2="0.0632" k3="-0.0098"/>
            <vignetting model="pa" focal="112" aperture="9" distance="1000" k1="-0.2562" k2="0.0632" k3="-0.0098"/>
            <vignetting model="pa" focal="112" aperture="10" distance="10" k1="-0.2388" k2="0.0133" k3="0.0313"/>
            <vignetting model="pa" focal="112" aperture="10" distance="1000" k1="-0.2388" k2="0.0133" k3="0.0313"/>
            <vignetting model="pa" focal="112" aperture="11" distance="10" k1="-0.2363" k2="0.0114" k3="0.0316"/>
            <vignetting model="pa" focal="112" aperture="11" distance="1000" k1="-0.2363" k2="0.0114" k3="0.0316"/>
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            <vignetting model="pa" focal="112" aperture="13" distance="1000" k1="-0.2509" k2="0.0490" k3="0.0078"/>
            <vignetting model="pa" focal="112" aperture="14" distance="10" k1="-0.2469" k2="0.0413" k3="0.0117"/>
            <vignetting model="pa" focal="112" aperture="14" distance="1000" k1="-0.2469" k2="0.0413" k3="0.0117"/>
            <vignetting model="pa" focal="112" aperture="16" distance="10" k1="-0.2560" k2="0.0667" k3="-0.0064"/>
            <vignetting model="pa" focal="112" aperture="16" distance="1000" k1="-0.2560" k2="0.0667" k3="-0.0064"/>
            <vignetting model="pa" focal="116" aperture="32" distance="10" k1="-0.2828" k2="0.1220" k3="-0.0369"/>
            <vignetting model="pa" focal="116" aperture="32" distance="1000" k1="-0.2828" k2="0.1220" k3="-0.0369"/>
            <vignetting model="pa" focal="124" aperture="36" distance="10" k1="-0.2832" k2="0.1093" k3="-0.0103"/>
            <vignetting model="pa" focal="124" aperture="36" distance="1000" k1="-0.2832" k2="0.1093" k3="-0.0103"/>
            <vignetting model="pa" focal="128" aperture="11" distance="10" k1="-0.2704" k2="0.0919" k3="-0.0034"/>
            <vignetting model="pa" focal="128" aperture="11" distance="1000" k1="-0.2704" k2="0.0919" k3="-0.0034"/>
            <vignetting model="pa" focal="128" aperture="13" distance="10" k1="-0.2697" k2="0.0893" k3="-0.0024"/>
            <vignetting model="pa" focal="128" aperture="13" distance="1000" k1="-0.2697" k2="0.0893" k3="-0.0024"/>
            <vignetting model="pa" focal="128" aperture="14" distance="10" k1="-0.2725" k2="0.0930" k3="-0.0033"/>
            <vignetting model="pa" focal="128" aperture="14" distance="1000" k1="-0.2725" k2="0.0930" k3="-0.0033"/>
            <vignetting model="pa" focal="128" aperture="16" distance="10" k1="-0.2772" k2="0.1000" k3="-0.0051"/>
            <vignetting model="pa" focal="128" aperture="16" distance="1000" k1="-0.2772" k2="0.1000" k3="-0.0051"/>
            <vignetting model="pa" focal="135" aperture="4.5" distance="10" k1="-0.6297" k2="0.0283" k3="0.0736"/>
            <vignetting model="pa" focal="135" aperture="4.5" distance="1000" k1="-0.6297" k2="0.0283" k3="0.0736"/>
            <vignetting model="pa" focal="135" aperture="5" distance="10" k1="-0.3968" k2="-0.3249" k3="0.2356"/>
            <vignetting model="pa" focal="135" aperture="5" distance="1000" k1="-0.3968" k2="-0.3249" k3="0.2356"/>
            <vignetting model="pa" focal="135" aperture="5.6" distance="10" k1="-0.1476" k2="-0.5395" k3="0.3019"/>
            <vignetting model="pa" focal="135" aperture="5.6" distance="1000" k1="-0.1476" k2="-0.5395" k3="0.3019"/>
            <vignetting model="pa" focal="135" aperture="6.3" distance="10" k1="-0.1245" k2="-0.3862" k3="0.1831"/>
            <vignetting model="pa" focal="135" aperture="6.3" distance="1000" k1="-0.1245" k2="-0.3862" k3="0.1831"/>
            <vignetting model="pa" focal="135" aperture="7.1" distance="10" k1="-0.1870" k2="-0.0997" k3="-0.0126"/>
            <vignetting model="pa" focal="135" aperture="7.1" distance="1000" k1="-0.1870" k2="-0.0997" k3="-0.0126"/>
            <vignetting model="pa" focal="135" aperture="8" distance="10" k1="-0.2824" k2="0.2183" k3="-0.1902"/>
            <vignetting model="pa" focal="135" aperture="8" distance="1000" k1="-0.2824" k2="0.2183" k3="-0.1902"/>
            <vignetting model="pa" focal="135" aperture="9" distance="10" k1="-0.2917" k2="0.2002" k3="-0.1155"/>
            <vignetting model="pa" focal="135" aperture="9" distance="1000" k1="-0.2917" k2="0.2002" k3="-0.1155"/>
            <vignetting model="pa" focal="135" aperture="10" distance="10" k1="-0.2729" k2="0.1228" k3="-0.0398"/>
            <vignetting model="pa" focal="135" aperture="10" distance="1000" k1="-0.2729" k2="0.1228" k3="-0.0398"/>
            <vignetting model="pa" focal="160" aperture="5" distance="10" k1="-0.4051" k2="-0.5051" k3="0.3449"/>
            <vignetting model="pa" focal="160" aperture="5" distance="1000" k1="-0.4051" k2="-0.5051" k3="0.3449"/>
            <vignetting model="pa" focal="160" aperture="5.6" distance="10" k1="-0.1236" k2="-0.7039" k3="0.3494"/>
            <vignetting model="pa" focal="160" aperture="5.6" distance="1000" k1="-0.1236" k2="-0.7039" k3="0.3494"/>
            <vignetting model="pa" focal="160" aperture="6.3" distance="10" k1="-0.1427" k2="-0.2875" k3="0.0572"/>
            <vignetting model="pa" focal="160" aperture="6.3" distance="1000" k1="-0.1427" k2="-0.2875" k3="0.0572"/>
            <vignetting model="pa" focal="160" aperture="7.1" distance="10" k1="-0.1884" k2="-0.1005" k3="-0.0394"/>
            <vignetting model="pa" focal="160" aperture="7.1" distance="1000" k1="-0.1884" k2="-0.1005" k3="-0.0394"/>
            <vignetting model="pa" focal="160" aperture="8" distance="10" k1="-0.2482" k2="0.0997" k3="-0.1242"/>
            <vignetting model="pa" focal="160" aperture="8" distance="1000" k1="-0.2482" k2="0.0997" k3="-0.1242"/>
            <vignetting model="pa" focal="160" aperture="40" distance="10" k1="-0.3269" k2="0.1865" k3="-0.0496"/>
            <vignetting model="pa" focal="160" aperture="40" distance="1000" k1="-0.3269" k2="0.1865" k3="-0.0496"/>
            <vignetting model="pa" focal="182" aperture="40" distance="10" k1="-0.2988" k2="0.1522" k3="-0.0489"/>
            <vignetting model="pa" focal="182" aperture="40" distance="1000" k1="-0.2988" k2="0.1522" k3="-0.0489"/>
            <vignetting model="pa" focal="188" aperture="11" distance="10" k1="-0.2707" k2="0.0944" k3="-0.0149"/>
            <vignetting model="pa" focal="188" aperture="11" distance="1000" k1="-0.2707" k2="0.0944" k3="-0.0149"/>
            <vignetting model="pa" focal="188" aperture="13" distance="10" k1="-0.2706" k2="0.0943" k3="-0.0144"/>
            <vignetting model="pa" focal="188" aperture="13" distance="1000" k1="-0.2706" k2="0.0943" k3="-0.0144"/>
            <vignetting model="pa" focal="188" aperture="14" distance="10" k1="-0.2741" k2="0.0962" k3="-0.0131"/>
            <vignetting model="pa" focal="188" aperture="14" distance="1000" k1="-0.2741" k2="0.0962" k3="-0.0131"/>
            <vignetting model="pa" focal="188" aperture="16" distance="10" k1="-0.2779" k2="0.1055" k3="-0.0190"/>
            <vignetting model="pa" focal="188" aperture="16" distance="1000" k1="-0.2779" k2="0.1055" k3="-0.0190"/>
            <vignetting model="pa" focal="200" aperture="5" distance="10" k1="-0.2152" k2="-1.0645" k3="0.6930"/>
            <vignetting model="pa" focal="200" aperture="5" distance="1000" k1="-0.2152" k2="-1.0645" k3="0.6930"/>
            <vignetting model="pa" focal="200" aperture="5.6" distance="10" k1="0.0010" k2="-1.1114" k3="0.5906"/>
            <vignetting model="pa" focal="200" aperture="5.6" distance="1000" k1="0.0010" k2="-1.1114" k3="0.5906"/>
            <vignetting model="pa" focal="200" aperture="6.3" distance="10" k1="-0.0949" k2="-0.4460" k3="0.0946"/>
            <vignetting model="pa" focal="200" aperture="6.3" distance="1000" k1="-0.0949" k2="-0.4460" k3="0.0946"/>
            <vignetting model="pa" focal="200" aperture="7.1" distance="10" k1="-0.2151" k2="0.0283" k3="-0.1992"/>
            <vignetting model="pa" focal="200" aperture="7.1" distance="1000" k1="-0.2151" k2="0.0283" k3="-0.1992"/>
            <vignetting model="pa" focal="200" aperture="8" distance="10" k1="-0.3066" k2="0.3116" k3="-0.3056"/>
            <vignetting model="pa" focal="200" aperture="8" distance="1000" k1="-0.3066" k2="0.3116" k3="-0.3056"/>
            <vignetting model="pa" focal="200" aperture="9" distance="10" k1="-0.3050" k2="0.2448" k3="-0.1675"/>
            <vignetting model="pa" focal="200" aperture="9" distance="1000" k1="-0.3050" k2="0.2448" k3="-0.1675"/>
            <vignetting model="pa" focal="200" aperture="10" distance="10" k1="-0.2842" k2="0.1507" k3="-0.0701"/>
            <vignetting model="pa" focal="200" aperture="10" distance="1000" k1="-0.2842" k2="0.1507" k3="-0.0701"/>
            <vignetting model="pa" focal="236" aperture="5.6" distance="10" k1="-0.2732" k2="-0.9665" k3="0.6682"/>
            <vignetting model="pa" focal="236" aperture="5.6" distance="1000" k1="-0.2732" k2="-0.9665" k3="0.6682"/>
            <vignetting model="pa" focal="236" aperture="6.3" distance="10" k1="0.0011" k2="-1.0140" k3="0.5286"/>
            <vignetting model="pa" focal="236" aperture="6.3" distance="1000" k1="0.0011" k2="-1.0140" k3="0.5286"/>
            <vignetting model="pa" focal="236" aperture="7.1" distance="10" k1="-0.0716" k2="-0.4892" k3="0.1356"/>
            <vignetting model="pa" focal="236" aperture="7.1" distance="1000" k1="-0.0716" k2="-0.4892" k3="0.1356"/>
            <vignetting model="pa" focal="236" aperture="8" distance="10" k1="-0.2674" k2="0.2467" k3="-0.2992"/>
            <vignetting model="pa" focal="236" aperture="8" distance="1000" k1="-0.2674" k2="0.2467" k3="-0.2992"/>
            <vignetting model="pa" focal="236" aperture="9" distance="10" k1="-0.2898" k2="0.2505" k3="-0.1963"/>
            <vignetting model="pa" focal="236" aperture="9" distance="1000" k1="-0.2898" k2="0.2505" k3="-0.1963"/>
            <vignetting model="pa" focal="236" aperture="45" distance="10" k1="-0.3839" k2="0.3245" k3="-0.1407"/>
            <vignetting model="pa" focal="236" aperture="45" distance="1000" k1="-0.3839" k2="0.3245" k3="-0.1407"/>
            <vignetting model="pa" focal="260" aperture="5.6" distance="10" k1="-0.4252" k2="-0.5946" k3="0.4567"/>
            <vignetting model="pa" focal="260" aperture="5.6" distance="1000" k1="-0.4252" k2="-0.5946" k3="0.4567"/>
            <vignetting model="pa" focal="277" aperture="32" distance="10" k1="-0.2833" k2="0.1303" k3="-0.0356"/>
            <vignetting model="pa" focal="277" aperture="32" distance="1000" k1="-0.2833" k2="0.1303" k3="-0.0356"/>
            <vignetting model="pa" focal="277" aperture="45" distance="10" k1="-0.2894" k2="0.1608" k3="-0.0603"/>
            <vignetting model="pa" focal="277" aperture="45" distance="1000" k1="-0.2894" k2="0.1608" k3="-0.0603"/>
            <vignetting model="pa" focal="300" aperture="5.6" distance="10" k1="-0.5710" k2="-0.1995" k3="0.2138"/>
            <vignetting model="pa" focal="300" aperture="5.6" distance="1000" k1="-0.5710" k2="-0.1995" k3="0.2138"/>
            <vignetting model="pa" focal="300" aperture="6.3" distance="10" k1="-0.2521" k2="-0.5731" k3="0.3459"/>
            <vignetting model="pa" focal="300" aperture="6.3" distance="1000" k1="-0.2521" k2="-0.5731" k3="0.3459"/>
            <vignetting model="pa" focal="300" aperture="7.1" distance="10" k1="-0.1493" k2="-0.4790" k3="0.2215"/>
            <vignetting model="pa" focal="300" aperture="7.1" distance="1000" k1="-0.1493" k2="-0.4790" k3="0.2215"/>
            <vignetting model="pa" focal="300" aperture="8" distance="10" k1="-0.1910" k2="-0.1128" k3="-0.0227"/>
            <vignetting model="pa" focal="300" aperture="8" distance="1000" k1="-0.1910" k2="-0.1128" k3="-0.0227"/>
            <vignetting model="pa" focal="300" aperture="9" distance="10" k1="-0.2654" k2="0.1590" k3="-0.1405"/>
            <vignetting model="pa" focal="300" aperture="9" distance="1000" k1="-0.2654" k2="0.1590" k3="-0.1405"/>
            <vignetting model="pa" focal="300" aperture="10" distance="10" k1="-0.2769" k2="0.1569" k3="-0.0843"/>
            <vignetting model="pa" focal="300" aperture="10" distance="1000" k1="-0.2769" k2="0.1569" k3="-0.0843"/>
            <vignetting model="pa" focal="300" aperture="11" distance="10" k1="-0.2535" k2="0.0619" k3="0.0069"/>
            <vignetting model="pa" focal="300" aperture="11" distance="1000" k1="-0.2535" k2="0.0619" k3="0.0069"/>
            <vignetting model="pa" focal="300" aperture="13" distance="10" k1="-0.2594" k2="0.0764" k3="-0.0028"/>
            <vignetting model="pa" focal="300" aperture="13" distance="1000" k1="-0.2594" k2="0.0764" k3="-0.0028"/>
            <vignetting model="pa" focal="300" aperture="14" distance="10" k1="-0.2561" k2="0.0674" k3="0.0026"/>
            <vignetting model="pa" focal="300" aperture="14" distance="1000" k1="-0.2561" k2="0.0674" k3="0.0026"/>
            <vignetting model="pa" focal="300" aperture="16" distance="10" k1="-0.2665" k2="0.0907" k3="-0.0122"/>
            <vignetting model="pa" focal="300" aperture="16" distance="1000" k1="-0.2665" k2="0.0907" k3="-0.0122"/>
            <vignetting model="pa" focal="300" aperture="18" distance="10" k1="-0.2694" k2="0.1055" k3="-0.0233"/>
            <vignetting model="pa" focal="300" aperture="18" distance="1000" k1="-0.2694" k2="0.1055" k3="-0.0233"/>
            <vignetting model="pa" focal="300" aperture="20" distance="10" k1="-0.2689" k2="0.1025" k3="-0.0202"/>
            <vignetting model="pa" focal="300" aperture="20" distance="1000" k1="-0.2689" k2="0.1025" k3="-0.0202"/>
            <vignetting model="pa" focal="300" aperture="22" distance="10" k1="-0.2751" k2="0.1188" k3="-0.0303"/>
            <vignetting model="pa" focal="300" aperture="22" distance="1000" k1="-0.2751" k2="0.1188" k3="-0.0303"/>
            <vignetting model="pa" focal="300" aperture="25" distance="10" k1="-0.2762" k2="0.1196" k3="-0.0299"/>
            <vignetting model="pa" focal="300" aperture="25" distance="1000" k1="-0.2762" k2="0.1196" k3="-0.0299"/>
            <vignetting model="pa" focal="300" aperture="29" distance="10" k1="-0.2750" k2="0.1153" k3="-0.0263"/>
            <vignetting model="pa" focal="300" aperture="29" distance="1000" k1="-0.2750" k2="0.1153" k3="-0.0263"/>
            <vignetting model="pa" focal="300" aperture="32" distance="10" k1="-0.2832" k2="0.1403" k3="-0.0443"/>
            <vignetting model="pa" focal="300" aperture="32" distance="1000" k1="-0.2832" k2="0.1403" k3="-0.0443"/>
            <vignetting model="pa" focal="300" aperture="45" distance="10" k1="-0.3393" k2="0.2337" k3="-0.0925"/>
            <vignetting model="pa" focal="300" aperture="45" distance="1000" k1="-0.3393" k2="0.2337" k3="-0.0925"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 90-300mm f/4.5-5.6</model>
        <mount>Canon EF</mount>
        <cropfactor>1.005</cropfactor>
        <calibration>
            <!-- Taken with Canon 6D -->
            <distortion model="ptlens" focal="90" a="-0.006" b="0.022" c="-0.02"/>
            <distortion model="ptlens" focal="100" a="0.003" b="-0.012" c="0.024"/>
            <distortion model="ptlens" focal="115" a="-0.001" b="0.016" c="-0.022"/>
            <distortion model="ptlens" focal="135" a="0.005" b="-0.008" c="0.014"/>
            <distortion model="ptlens" focal="160" a="0.011" b="-0.029" c="0.045"/>
            <distortion model="ptlens" focal="200" a="-0.014" b="0.064" c="-0.069"/>
            <distortion model="ptlens" focal="245" a="0.005" b="-0.005" c="0.017"/>
            <distortion model="ptlens" focal="300" a="0.001" b="0.018" c="-0.017"/>
            <tca model="poly3" focal="90" br="0.0001124" vr="0.9999506" bb="-0.0001772" vb="1.0001915"/>
            <tca model="poly3" focal="100" br="0.0000892" vr="0.9999439" bb="-0.0002141" vb="1.0002109"/>
            <tca model="poly3" focal="115" br="0.0000318" vr="0.9999684" bb="-0.0001839" vb="1.0000694"/>
            <tca model="poly3" focal="135" br="0.0000023" vr="0.9999446" bb="-0.0000763" vb="0.9998603"/>
            <tca model="poly3" focal="160" br="-0.0000001" vr="0.9999788" bb="-0.0000913" vb="0.9997460"/>
            <tca model="poly3" focal="200" br="0.0000823" vr="0.9998566" bb="-0.0003916" vb="0.9997365"/>
            <tca model="poly3" focal="245" br="0.0000451" vr="0.9998133" bb="-0.0004300" vb="0.9998388"/>
            <tca model="poly3" focal="300" br="0.0002260" vr="0.9993977" bb="0.0002063" vb="0.9996073"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF-S 18-200mm f/3.5-5.6 IS</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.620</cropfactor>
        <calibration>
            <!-- Taken with Canon 60D -->
            <distortion model="ptlens" focal="18" a="0.02543" b="-0.07968" c="0.03623"/>
            <distortion model="ptlens" focal="20" a="0.02822" b="-0.08034" c="0.04569"/>
            <distortion model="ptlens" focal="24" a="0.02071" b="-0.04598" c="0.02693"/>
            <distortion model="ptlens" focal="35" a="0.0117" b="-0.0177" c="0.01611"/>
            <distortion model="ptlens" focal="50" a="0.01104" b="-0.02248" c="0.03263"/>
            <distortion model="ptlens" focal="90" a="0" b="0.0085" c="0"/>
            <distortion model="ptlens" focal="130" a="0" b="0.00797" c="0"/>
            <distortion model="ptlens" focal="200" a="0" b="0.0066" c="0"/>
            <tca model="poly3" focal="20" br="-0.0000932" vr="1.0005833" bb="0.0000706" vb="0.9999406"/>
            <tca model="poly3" focal="24" br="-0.0000538" vr="1.0004676" bb="0.0000771" vb="0.9999306"/>
            <tca model="poly3" focal="40" br="-0.0000043" vr="1.0000674" bb="-0.0000084" vb="1.0001658"/>
            <tca model="poly3" focal="50" br="0.0000082" vr="0.9999548" bb="0.0000014" vb="1.0001986"/>
            <tca model="poly3" focal="90" br="0.0000416" vr="0.9996703" bb="-0.0000830" vb="1.0003595"/>
            <tca model="poly3" focal="135" br="0.0001072" vr="0.9993999" bb="-0.0001156" vb="1.0002326"/>
            <tca model="poly3" focal="200" br="0.0000742" vr="0.9993410" bb="-0.0000765" vb="1.0000445"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 28-80mm f/3.5-5.6 USM IV</model>
        <mount>Canon EF</mount>
        <cropfactor>1.613</cropfactor>
        <calibration>
            <!-- Taken with Canon 100D -->
            <distortion model="ptlens" focal="28" a="0" b="-0.00843" c="0"/>
            <distortion model="ptlens" focal="32" a="0.01228" b="-0.05159" c="0.05533"/>
            <distortion model="ptlens" focal="37" a="0" b="-0.00316" c="0"/>
            <distortion model="ptlens" focal="63" a="0" b="0.0017" c="0"/>
            <distortion model="ptlens" focal="80" a="0" b="0.00491" c="0"/>
            <tca model="poly3" focal="28" br="-0.0000057" vr="1.0007308" bb="0.0000485" vb="0.9995727"/>
            <tca model="poly3" focal="38" br="-0.0000215" vr="1.0005363" bb="0.0000312" vb="0.9997387"/>
            <tca model="poly3" focal="57" br="0.0000001" vr="1.0001671" bb="0.0000161" vb="0.9999092"/>
            <tca model="poly3" focal="63" br="-0.0000167" vr="1.0001572" bb="0.0000247" vb="0.9999346"/>
            <tca model="poly3" focal="73" br="-0.0000142" vr="1.0000838" bb="0.0000065" vb="0.9999950"/>
            <tca model="poly3" focal="80" br="-0.0000093" vr="1.0000635" bb="0.0000036" vb="1.0000023"/>
            <vignetting model="pa" focal="28" aperture="5" distance="10" k1="-0.1950" k2="-0.0487" k3="0.0411"/>
            <vignetting model="pa" focal="28" aperture="5" distance="1000" k1="-0.1950" k2="-0.0487" k3="0.0411"/>
            <vignetting model="pa" focal="28" aperture="7.1" distance="10" k1="-0.1868" k2="-0.0845" k3="0.0982"/>
            <vignetting model="pa" focal="28" aperture="7.1" distance="1000" k1="-0.1868" k2="-0.0845" k3="0.0982"/>
            <vignetting model="pa" focal="28" aperture="10" distance="10" k1="-0.1846" k2="-0.0871" k3="0.0991"/>
            <vignetting model="pa" focal="28" aperture="10" distance="1000" k1="-0.1846" k2="-0.0871" k3="0.0991"/>
            <vignetting model="pa" focal="28" aperture="14" distance="10" k1="-0.1875" k2="-0.0771" k3="0.0913"/>
            <vignetting model="pa" focal="28" aperture="14" distance="1000" k1="-0.1875" k2="-0.0771" k3="0.0913"/>
            <vignetting model="pa" focal="28" aperture="20" distance="10" k1="-0.1922" k2="-0.0613" k3="0.0782"/>
            <vignetting model="pa" focal="28" aperture="20" distance="1000" k1="-0.1922" k2="-0.0613" k3="0.0782"/>
            <vignetting model="pa" focal="28" aperture="22" distance="10" k1="-0.1925" k2="-0.0597" k3="0.0766"/>
            <vignetting model="pa" focal="28" aperture="22" distance="1000" k1="-0.1925" k2="-0.0597" k3="0.0766"/>
            <vignetting model="pa" focal="35" aperture="3.5" distance="10" k1="-0.5247" k2="0.0582" k3="0.0944"/>
            <vignetting model="pa" focal="35" aperture="3.5" distance="1000" k1="-0.5247" k2="0.0582" k3="0.0944"/>
            <vignetting model="pa" focal="35" aperture="5" distance="10" k1="-0.1475" k2="-0.0933" k3="0.0207"/>
            <vignetting model="pa" focal="35" aperture="5" distance="1000" k1="-0.1475" k2="-0.0933" k3="0.0207"/>
            <vignetting model="pa" focal="35" aperture="7.1" distance="10" k1="-0.1656" k2="-0.0648" k3="0.0799"/>
            <vignetting model="pa" focal="35" aperture="7.1" distance="1000" k1="-0.1656" k2="-0.0648" k3="0.0799"/>
            <vignetting model="pa" focal="35" aperture="10" distance="10" k1="-0.1665" k2="-0.0630" k3="0.0790"/>
            <vignetting model="pa" focal="35" aperture="10" distance="1000" k1="-0.1665" k2="-0.0630" k3="0.0790"/>
            <vignetting model="pa" focal="35" aperture="14" distance="10" k1="-0.1690" k2="-0.0585" k3="0.0762"/>
            <vignetting model="pa" focal="35" aperture="14" distance="1000" k1="-0.1690" k2="-0.0585" k3="0.0762"/>
            <vignetting model="pa" focal="35" aperture="20" distance="10" k1="-0.1724" k2="-0.0521" k3="0.0723"/>
            <vignetting model="pa" focal="35" aperture="20" distance="1000" k1="-0.1724" k2="-0.0521" k3="0.0723"/>
            <vignetting model="pa" focal="35" aperture="22" distance="10" k1="-0.1728" k2="-0.0519" k3="0.0723"/>
            <vignetting model="pa" focal="35" aperture="22" distance="1000" k1="-0.1728" k2="-0.0519" k3="0.0723"/>
            <vignetting model="pa" focal="45" aperture="4.5" distance="10" k1="-0.4821" k2="0.0257" k3="0.1071"/>
            <vignetting model="pa" focal="45" aperture="4.5" distance="1000" k1="-0.4821" k2="0.0257" k3="0.1071"/>
            <vignetting model="pa" focal="45" aperture="6.3" distance="10" k1="-0.1353" k2="-0.0430" k3="-0.0101"/>
            <vignetting model="pa" focal="45" aperture="6.3" distance="1000" k1="-0.1353" k2="-0.0430" k3="-0.0101"/>
            <vignetting model="pa" focal="45" aperture="9" distance="10" k1="-0.1429" k2="-0.0554" k3="0.0701"/>
            <vignetting model="pa" focal="45" aperture="9" distance="1000" k1="-0.1429" k2="-0.0554" k3="0.0701"/>
            <vignetting model="pa" focal="45" aperture="13" distance="10" k1="-0.1432" k2="-0.0555" k3="0.0708"/>
            <vignetting model="pa" focal="45" aperture="13" distance="1000" k1="-0.1432" k2="-0.0555" k3="0.0708"/>
            <vignetting model="pa" focal="45" aperture="18" distance="10" k1="-0.1447" k2="-0.0559" k3="0.0734"/>
            <vignetting model="pa" focal="45" aperture="18" distance="1000" k1="-0.1447" k2="-0.0559" k3="0.0734"/>
            <vignetting model="pa" focal="45" aperture="25" distance="10" k1="-0.1464" k2="-0.0551" k3="0.0744"/>
            <vignetting model="pa" focal="45" aperture="25" distance="1000" k1="-0.1464" k2="-0.0551" k3="0.0744"/>
            <vignetting model="pa" focal="45" aperture="29" distance="10" k1="-0.1474" k2="-0.0527" k3="0.0732"/>
            <vignetting model="pa" focal="45" aperture="29" distance="1000" k1="-0.1474" k2="-0.0527" k3="0.0732"/>
            <vignetting model="pa" focal="57" aperture="5" distance="10" k1="-0.5363" k2="0.2774" k3="-0.0520"/>
            <vignetting model="pa" focal="57" aperture="5" distance="1000" k1="-0.5363" k2="0.2774" k3="-0.0520"/>
            <vignetting model="pa" focal="57" aperture="6.3" distance="10" k1="-0.0725" k2="-0.2029" k3="0.0976"/>
            <vignetting model="pa" focal="57" aperture="6.3" distance="1000" k1="-0.0725" k2="-0.2029" k3="0.0976"/>
            <vignetting model="pa" focal="57" aperture="9" distance="10" k1="-0.1174" k2="-0.0650" k3="0.0737"/>
            <vignetting model="pa" focal="57" aperture="9" distance="1000" k1="-0.1174" k2="-0.0650" k3="0.0737"/>
            <vignetting model="pa" focal="57" aperture="13" distance="10" k1="-0.1186" k2="-0.0643" k3="0.0746"/>
            <vignetting model="pa" focal="57" aperture="13" distance="1000" k1="-0.1186" k2="-0.0643" k3="0.0746"/>
            <vignetting model="pa" focal="57" aperture="18" distance="10" k1="-0.1231" k2="-0.0574" k3="0.0714"/>
            <vignetting model="pa" focal="57" aperture="18" distance="1000" k1="-0.1231" k2="-0.0574" k3="0.0714"/>
            <vignetting model="pa" focal="57" aperture="25" distance="10" k1="-0.1294" k2="-0.0472" k3="0.0661"/>
            <vignetting model="pa" focal="57" aperture="25" distance="1000" k1="-0.1294" k2="-0.0472" k3="0.0661"/>
            <vignetting model="pa" focal="57" aperture="32" distance="10" k1="-0.1311" k2="-0.0464" k3="0.0670"/>
            <vignetting model="pa" focal="57" aperture="32" distance="1000" k1="-0.1311" k2="-0.0464" k3="0.0670"/>
            <vignetting model="pa" focal="67" aperture="5.6" distance="10" k1="-0.5623" k2="0.4129" k3="-0.1412"/>
            <vignetting model="pa" focal="67" aperture="5.6" distance="1000" k1="-0.5623" k2="0.4129" k3="-0.1412"/>
            <vignetting model="pa" focal="67" aperture="8" distance="10" k1="-0.1239" k2="-0.0183" k3="0.0070"/>
            <vignetting model="pa" focal="67" aperture="8" distance="1000" k1="-0.1239" k2="-0.0183" k3="0.0070"/>
            <vignetting model="pa" focal="67" aperture="11" distance="10" k1="-0.1333" k2="-0.0262" k3="0.0531"/>
            <vignetting model="pa" focal="67" aperture="11" distance="1000" k1="-0.1333" k2="-0.0262" k3="0.0531"/>
            <vignetting model="pa" focal="67" aperture="16" distance="10" k1="-0.1476" k2="-0.0017" k3="0.0407"/>
            <vignetting model="pa" focal="67" aperture="16" distance="1000" k1="-0.1476" k2="-0.0017" k3="0.0407"/>
            <vignetting model="pa" focal="67" aperture="22" distance="10" k1="-0.1690" k2="0.0392" k3="0.0176"/>
            <vignetting model="pa" focal="67" aperture="22" distance="1000" k1="-0.1690" k2="0.0392" k3="0.0176"/>
            <vignetting model="pa" focal="67" aperture="32" distance="10" k1="-0.1855" k2="0.0694" k3="0.0012"/>
            <vignetting model="pa" focal="67" aperture="32" distance="1000" k1="-0.1855" k2="0.0694" k3="0.0012"/>
            <vignetting model="pa" focal="67" aperture="36" distance="10" k1="-0.1878" k2="0.0737" k3="-0.0013"/>
            <vignetting model="pa" focal="67" aperture="36" distance="1000" k1="-0.1878" k2="0.0737" k3="-0.0013"/>
            <vignetting model="pa" focal="77" aperture="22" distance="10" k1="-0.1893" k2="0.0795" k3="-0.0020"/>
            <vignetting model="pa" focal="77" aperture="22" distance="1000" k1="-0.1893" k2="0.0795" k3="-0.0020"/>
            <vignetting model="pa" focal="77" aperture="32" distance="10" k1="-0.2055" k2="0.1109" k3="-0.0200"/>
            <vignetting model="pa" focal="77" aperture="32" distance="1000" k1="-0.2055" k2="0.1109" k3="-0.0200"/>
            <vignetting model="pa" focal="77" aperture="36" distance="10" k1="-0.2106" k2="0.1208" k3="-0.0260"/>
            <vignetting model="pa" focal="77" aperture="36" distance="1000" k1="-0.2106" k2="0.1208" k3="-0.0260"/>
            <vignetting model="pa" focal="79" aperture="5.6" distance="10" k1="-0.5399" k2="0.4177" k3="-0.1478"/>
            <vignetting model="pa" focal="79" aperture="5.6" distance="1000" k1="-0.5399" k2="0.4177" k3="-0.1478"/>
            <vignetting model="pa" focal="79" aperture="8" distance="10" k1="-0.1022" k2="-0.0964" k3="0.0526"/>
            <vignetting model="pa" focal="79" aperture="8" distance="1000" k1="-0.1022" k2="-0.0964" k3="0.0526"/>
            <vignetting model="pa" focal="79" aperture="11" distance="10" k1="-0.1447" k2="-0.0007" k3="0.0413"/>
            <vignetting model="pa" focal="79" aperture="11" distance="1000" k1="-0.1447" k2="-0.0007" k3="0.0413"/>
            <vignetting model="pa" focal="79" aperture="16" distance="10" k1="-0.1720" k2="0.0511" k3="0.0122"/>
            <vignetting model="pa" focal="79" aperture="16" distance="1000" k1="-0.1720" k2="0.0511" k3="0.0122"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 400mm f/5.6L USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1.005</cropfactor>
        <calibration>
            <!-- Taken with Canon 6D -->
            <distortion model="ptlens" focal="400" a="0.00429" b="-0.00425" c="-0.00493"/>
            <tca model="poly3" focal="400" vr="0.9999" vb="0.9998"/>
            <vignetting model="pa" focal="400" aperture="5.6" distance="10" k1="-0.6220" k2="0.7685" k3="-0.4254"/>
            <vignetting model="pa" focal="400" aperture="5.6" distance="1000" k1="-0.6220" k2="0.7685" k3="-0.4254"/>
            <vignetting model="pa" focal="400" aperture="6.3" distance="10" k1="-0.0503" k2="-0.1890" k3="0.1157"/>
            <vignetting model="pa" focal="400" aperture="6.3" distance="1000" k1="-0.0503" k2="-0.1890" k3="0.1157"/>
            <vignetting model="pa" focal="400" aperture="7.1" distance="10" k1="0.0358" k2="-0.0701" k3="0.0046"/>
            <vignetting model="pa" focal="400" aperture="7.1" distance="1000" k1="0.0358" k2="-0.0701" k3="0.0046"/>
            <vignetting model="pa" focal="400" aperture="8" distance="10" k1="-0.0102" k2="0.0908" k3="-0.0503"/>
            <vignetting model="pa" focal="400" aperture="8" distance="1000" k1="-0.0102" k2="0.0908" k3="-0.0503"/>
            <vignetting model="pa" focal="400" aperture="9" distance="10" k1="-0.0118" k2="0.0868" k3="-0.0423"/>
            <vignetting model="pa" focal="400" aperture="9" distance="1000" k1="-0.0118" k2="0.0868" k3="-0.0423"/>
            <vignetting model="pa" focal="400" aperture="10" distance="10" k1="-0.0206" k2="0.1019" k3="-0.0514"/>
            <vignetting model="pa" focal="400" aperture="10" distance="1000" k1="-0.0206" k2="0.1019" k3="-0.0514"/>
            <vignetting model="pa" focal="400" aperture="11" distance="10" k1="-0.0145" k2="0.0822" k3="-0.0356"/>
            <vignetting model="pa" focal="400" aperture="11" distance="1000" k1="-0.0145" k2="0.0822" k3="-0.0356"/>
            <vignetting model="pa" focal="400" aperture="13" distance="10" k1="-0.0210" k2="0.0876" k3="-0.0350"/>
            <vignetting model="pa" focal="400" aperture="13" distance="1000" k1="-0.0210" k2="0.0876" k3="-0.0350"/>
            <vignetting model="pa" focal="400" aperture="14" distance="10" k1="-0.0264" k2="0.0959" k3="-0.0357"/>
            <vignetting model="pa" focal="400" aperture="14" distance="1000" k1="-0.0264" k2="0.0959" k3="-0.0357"/>
            <vignetting model="pa" focal="400" aperture="16" distance="10" k1="-0.0256" k2="0.0958" k3="-0.0366"/>
            <vignetting model="pa" focal="400" aperture="16" distance="1000" k1="-0.0256" k2="0.0958" k3="-0.0366"/>
            <vignetting model="pa" focal="400" aperture="18" distance="10" k1="-0.0198" k2="0.0962" k3="-0.0429"/>
            <vignetting model="pa" focal="400" aperture="18" distance="1000" k1="-0.0198" k2="0.0962" k3="-0.0429"/>
            <vignetting model="pa" focal="400" aperture="20" distance="10" k1="-0.0211" k2="0.0946" k3="-0.0425"/>
            <vignetting model="pa" focal="400" aperture="20" distance="1000" k1="-0.0211" k2="0.0946" k3="-0.0425"/>
            <vignetting model="pa" focal="400" aperture="22" distance="10" k1="-0.0052" k2="0.0563" k3="-0.0191"/>
            <vignetting model="pa" focal="400" aperture="22" distance="1000" k1="-0.0052" k2="0.0563" k3="-0.0191"/>
            <vignetting model="pa" focal="400" aperture="25" distance="10" k1="0.0006" k2="0.0340" k3="-0.0032"/>
            <vignetting model="pa" focal="400" aperture="25" distance="1000" k1="0.0006" k2="0.0340" k3="-0.0032"/>
            <vignetting model="pa" focal="400" aperture="29" distance="10" k1="0.0086" k2="-0.0205" k3="0.0419"/>
            <vignetting model="pa" focal="400" aperture="29" distance="1000" k1="0.0086" k2="-0.0205" k3="0.0419"/>
            <vignetting model="pa" focal="400" aperture="32" distance="10" k1="0.0402" k2="-0.0754" k3="0.0712"/>
            <vignetting model="pa" focal="400" aperture="32" distance="1000" k1="0.0402" k2="-0.0754" k3="0.0712"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 400mm f/5.6L USM + 1.4x extender</model>
        <model lang="en">Canon EF 400mm f/5.6L USM + EF 1.4× ext.</model>
        <model lang="de">Canon EF 400mm f/5.6L USM + EF 1,4×-Konv.</model>
        <mount>Canon EF</mount>
        <cropfactor>1.005</cropfactor>
        <calibration>
            <!-- Taken with Canon 6D -->
            <distortion model="ptlens" focal="560" a="-0.00472" b="0.01271" c="-0.00812"/>
            <tca model="poly3" focal="560" vr="0.9998" vb="0.9996"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 300mm f/2.8L IS II USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <!-- Taken with Canon 5D Mark III -->
            <distortion model="poly3" focal="300" k1="0.00083"/>
            <tca model="poly3" focal="300" vr="0.9999243" vb="0.9999730"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 300mm f/2.8L IS II USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1.6</cropfactor>
        <calibration>
            <!-- Taken with Canon 20D -->
            <distortion model="poly3" focal="300" k1="-0.00038"/>
            <tca model="poly3" focal="300" vr="0.9999252" vb="0.9999595"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 300mm f/2.8L IS II USM + EF 1.4x extender III</model>
        <model lang="en">Canon EF 300mm f/2.8L IS II USM + EF 1.4× ext. III</model>
        <model lang="de">Canon EF 300mm f/2.8L IS II USM + EF 1,4×-Konv. III</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <!-- Taken with Canon 5D Mark III -->
            <distortion model="poly3" focal="420" k1="-0.00479"/>
            <tca model="poly3" focal="420" vr="0.9998668" vb="0.9999806"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 300mm f/2.8L IS II USM + EF 1.4x extender III</model>
        <model lang="en">Canon EF 300mm f/2.8L IS II USM + EF 1.4× ext. III</model>
        <model lang="de">Canon EF 300mm f/2.8L IS II USM + EF 1,4×-Konv. III</model>
        <mount>Canon EF</mount>
        <cropfactor>1.6</cropfactor>
        <calibration>
            <!-- Taken with Canon 20D -->
            <distortion model="poly3" focal="420" k1="-0.00092"/>
            <tca model="poly3" focal="420" vr="0.9998605" vb="0.9999578"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 300mm f/2.8L IS II USM + EF 2.0x extender III</model>
        <model lang="en">Canon EF 300mm f/2.8L IS II USM + EF 2.0× ext. III</model>
        <model lang="de">Canon EF 300mm f/2.8L IS II USM + EF 2,0×-Konv. III</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <!-- Taken with Canon 5D Mark III -->
            <distortion model="poly3" focal="600" k1="-0.00264"/>
            <tca model="poly3" focal="600" vr="0.9998625" vb="0.9999894"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 300mm f/2.8L IS II USM + EF 2.0x extender III</model>
        <model lang="en">Canon EF 300mm f/2.8L IS II USM + EF 2.0× ext. III</model>
        <model lang="de">Canon EF 300mm f/2.8L IS II USM + EF 2,0×-Konv. III</model>
        <mount>Canon EF</mount>
        <cropfactor>1.6</cropfactor>
        <calibration>
            <!-- Taken with Canon 20D -->
            <distortion model="poly3" focal="600" k1="-0.00067"/>
            <tca model="poly3" focal="600" vr="0.9998626" vb="1.0000065"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 300mm f/4L IS USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1.605</cropfactor>
        <calibration>
            <!-- Taken with Canon 7D Mark II -->
            <distortion model="ptlens" focal="300" a="-0.00271" b="0.00945" c="-0.00645"/>
            <tca model="poly3" focal="300" br="0.0000114" vr="0.9999147" bb="-0.0000121" vb="0.9999900"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 300mm f/4L IS USM + 1.4x extender</model>
        <model lang="en">Canon EF 300mm f/4L IS USM + 1.4× ext.</model>
        <model lang="de">Canon EF 300mm f/4L IS USM + 1.4×-Konv.</model>
        <mount>Canon EF</mount>
        <cropfactor>1.605</cropfactor>
        <calibration>
            <!-- Taken with Canon 7D Mark II -->
            <distortion model="poly3" focal="420" k1="-0.00134"/>
            <tca model="poly3" focal="420" vr="0.9997680" vb="1.0000126"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 500mm f/4L IS II USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <!-- Taken with Canon 5D Mark III -->
            <distortion model="poly3" focal="500" k1="0.00113"/>
            <tca model="poly3" focal="500" vr="0.9999381" vb="0.9999962"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 500mm f/4L IS II USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1.6</cropfactor>
        <calibration>
            <!-- Taken with Canon 20D -->
            <distortion model="poly3" focal="500" k1="-0.00127"/>
            <tca model="poly3" focal="500" vr="0.9999196" vb="1.0000391"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 500mm f/4L IS II USM + EF 1.4x extender III</model>
        <model lang="en">Canon EF 500mm f/4L IS II USM + EF 1.4× ext. III</model>
        <model lang="de">Canon EF 500mm f/4L IS II USM + EF 1.4×-Konv. III</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <!-- Taken with Canon 5D Mark III -->
            <distortion model="poly3" focal="700" k1="-0.0045"/>
            <tca model="poly3" focal="700" vr="0.9998697" vb="1.0000174"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 500mm f/4L IS II USM + EF 1.4x extender III</model>
        <model lang="en">Canon EF 500mm f/4L IS II USM + EF 1.4× ext. III</model>
        <model lang="de">Canon EF 500mm f/4L IS II USM + EF 1.4×-Konv. III</model>
        <mount>Canon EF</mount>
        <cropfactor>1.6</cropfactor>
        <calibration>
            <!-- Taken with Canon 20D -->
            <distortion model="poly3" focal="700" k1="-0.00111"/>
            <tca model="poly3" focal="700" vr="0.9998967" vb="0.9999863"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 500mm f/4L IS II USM + EF 2.0x extender III</model>
        <model lang="en">Canon EF 500mm f/4L IS II USM + EF 2.0× ext. III</model>
        <model lang="de">Canon EF 500mm f/4L IS II USM + EF 2.0×-Konv. III</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <!-- Taken with Canon 5D Mark III -->
            <distortion model="poly3" focal="1000" k1="-0.00287"/>
            <tca model="poly3" focal="1000" vr="0.9998205" vb="1.0000916"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 500mm f/4L IS II USM + EF 2.0x extender III</model>
        <model lang="en">Canon EF 500mm f/4L IS II USM + EF 2.0× ext. III</model>
        <model lang="de">Canon EF 500mm f/4L IS II USM + EF 2.0×-Konv. III</model>
        <mount>Canon EF</mount>
        <cropfactor>1.6</cropfactor>
        <calibration>
            <!-- Taken with Canon 20D -->
            <distortion model="poly3" focal="1000" k1="-0.00073"/>
            <tca model="poly3" focal="1000" vr="0.9999646" vb="0.9999321"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon Lens FL 50mm F1.4</model>
        <mount>Canon FL</mount>
        <cropfactor>1.529</cropfactor>
        <calibration>
            <!-- Taken with Fujifilm X-M1 -->
            <distortion model="poly3" focal="50" k1="-0.00306"/>
            <tca model="poly3" focal="50" vr="1.0001860" vb="0.9999560"/>
            <vignetting model="pa" focal="50" aperture="1.4" distance="10" k1="-1.0149" k2="0.9012" k3="-0.3954"/>
            <vignetting model="pa" focal="50" aperture="1.4" distance="1000" k1="-1.0149" k2="0.9012" k3="-0.3954"/>
            <vignetting model="pa" focal="50" aperture="2" distance="10" k1="-0.1791" k2="0.0693" k3="-0.1195"/>
            <vignetting model="pa" focal="50" aperture="2" distance="1000" k1="-0.1791" k2="0.0693" k3="-0.1195"/>
            <vignetting model="pa" focal="50" aperture="2.8" distance="10" k1="-0.2197" k2="0.1511" k3="-0.0780"/>
            <vignetting model="pa" focal="50" aperture="2.8" distance="1000" k1="-0.2197" k2="0.1511" k3="-0.0780"/>
            <vignetting model="pa" focal="50" aperture="4" distance="10" k1="-0.2323" k2="0.1711" k3="-0.0859"/>
            <vignetting model="pa" focal="50" aperture="4" distance="1000" k1="-0.2323" k2="0.1711" k3="-0.0859"/>
            <vignetting model="pa" focal="50" aperture="5.6" distance="10" k1="-0.2517" k2="0.2094" k3="-0.1072"/>
            <vignetting model="pa" focal="50" aperture="5.6" distance="1000" k1="-0.2517" k2="0.2094" k3="-0.1072"/>
            <vignetting model="pa" focal="50" aperture="8" distance="10" k1="-0.2785" k2="0.2672" k3="-0.1431"/>
            <vignetting model="pa" focal="50" aperture="8" distance="1000" k1="-0.2785" k2="0.2672" k3="-0.1431"/>
            <vignetting model="pa" focal="50" aperture="11" distance="10" k1="-0.2975" k2="0.3075" k3="-0.1673"/>
            <vignetting model="pa" focal="50" aperture="11" distance="1000" k1="-0.2975" k2="0.3075" k3="-0.1673"/>
            <vignetting model="pa" focal="50" aperture="16" distance="10" k1="-0.3122" k2="0.3372" k3="-0.1853"/>
            <vignetting model="pa" focal="50" aperture="16" distance="1000" k1="-0.3122" k2="0.3372" k3="-0.1853"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon Lens FL 135mm F3.5</model>
        <mount>Canon FL</mount>
        <cropfactor>1.529</cropfactor>
        <calibration>
            <!-- Taken with Fujifilm X-M1 -->
            <vignetting model="pa" focal="135" aperture="3.5" distance="10" k1="-0.3120" k2="0.1519" k3="-0.0955"/>
            <vignetting model="pa" focal="135" aperture="3.5" distance="1000" k1="-0.3120" k2="0.1519" k3="-0.0955"/>
            <vignetting model="pa" focal="135" aperture="4" distance="10" k1="-0.1630" k2="-0.0838" k3="0.0652"/>
            <vignetting model="pa" focal="135" aperture="4" distance="1000" k1="-0.1630" k2="-0.0838" k3="0.0652"/>
            <vignetting model="pa" focal="135" aperture="5.6" distance="10" k1="-0.2119" k2="0.1695" k3="-0.0832"/>
            <vignetting model="pa" focal="135" aperture="5.6" distance="1000" k1="-0.2119" k2="0.1695" k3="-0.0832"/>
            <vignetting model="pa" focal="135" aperture="8" distance="10" k1="-0.2929" k2="0.2867" k3="-0.1380"/>
            <vignetting model="pa" focal="135" aperture="8" distance="1000" k1="-0.2929" k2="0.2867" k3="-0.1380"/>
            <vignetting model="pa" focal="135" aperture="11" distance="10" k1="-0.3969" k2="0.4685" k3="-0.2342"/>
            <vignetting model="pa" focal="135" aperture="11" distance="1000" k1="-0.3969" k2="0.4685" k3="-0.2342"/>
            <vignetting model="pa" focal="135" aperture="16" distance="10" k1="-0.5191" k2="0.7016" k3="-0.3637"/>
            <vignetting model="pa" focal="135" aperture="16" distance="1000" k1="-0.5191" k2="0.7016" k3="-0.3637"/>
            <vignetting model="pa" focal="135" aperture="22" distance="10" k1="-0.6249" k2="0.9125" k3="-0.4836"/>
            <vignetting model="pa" focal="135" aperture="22" distance="1000" k1="-0.6249" k2="0.9125" k3="-0.4836"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon FDn 135mm 1:2.8</model>
        <mount>Canon FD</mount>
        <focal value="135"/>
        <aperture min="2.8" max="32"/>
        <cropfactor>1.534</cropfactor>
        <calibration>
            <!-- Taken with Sony 6000 (ILCE-6000) -->
            <distortion model="ptlens" focal="135" a="0" b="0" c="0.002"/>
            <tca model="poly3" focal="135" br="0.0000077" vr="0.9997611" bb="-0.0000082" vb="1.0000087"/>
            <vignetting model="pa" focal="135" aperture="2.8" distance="10" k1="-0.7505" k2="0.7072" k3="-0.3224"/>
            <vignetting model="pa" focal="135" aperture="2.8" distance="1000" k1="-0.7505" k2="0.7072" k3="-0.3224"/>
            <vignetting model="pa" focal="135" aperture="4" distance="10" k1="-0.0929" k2="-0.0085" k3="-0.0595"/>
            <vignetting model="pa" focal="135" aperture="4" distance="1000" k1="-0.0929" k2="-0.0085" k3="-0.0595"/>
            <vignetting model="pa" focal="135" aperture="5.6" distance="10" k1="-0.1298" k2="0.1127" k3="-0.0764"/>
            <vignetting model="pa" focal="135" aperture="5.6" distance="1000" k1="-0.1298" k2="0.1127" k3="-0.0764"/>
            <vignetting model="pa" focal="135" aperture="8" distance="10" k1="-0.1334" k2="0.1220" k3="-0.0760"/>
            <vignetting model="pa" focal="135" aperture="8" distance="1000" k1="-0.1334" k2="0.1220" k3="-0.0760"/>
            <vignetting model="pa" focal="135" aperture="16" distance="10" k1="-0.1424" k2="0.1495" k3="-0.0947"/>
            <vignetting model="pa" focal="135" aperture="16" distance="1000" k1="-0.1424" k2="0.1495" k3="-0.0947"/>
            <vignetting model="pa" focal="135" aperture="32" distance="10" k1="-0.1149" k2="0.0817" k3="-0.0542"/>
            <vignetting model="pa" focal="135" aperture="32" distance="1000" k1="-0.1149" k2="0.0817" k3="-0.0542"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 16-35mm f/4L IS USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1.0</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="16" a="0.01401" b="-0.04843" c="0.02163"/>
            <distortion model="ptlens" focal="20" a="0.01376" b="-0.04636" c="0.03937"/>
            <distortion model="ptlens" focal="24" a="0.00341" b="-0.00465" c="-0.00013"/>
            <distortion model="ptlens" focal="28" a="0.01077" b="-0.02955" c="0.03254"/>
            <distortion model="ptlens" focal="35" a="0.0031" b="-0.00518" c="0.01054"/>
            <tca model="poly3" focal="16" vr="1.0001113" vb="1.0000734"/>
            <tca model="poly3" focal="20" vr="1.0000397" vb="1.0001109"/>
            <tca model="poly3" focal="24" vr="0.9999700" vb="1.0001450"/>
            <tca model="poly3" focal="28" vr="0.9999415" vb="1.0001398"/>
            <tca model="poly3" focal="35" vr="0.9999579" vb="1.0000628"/>
            <vignetting model="pa" focal="16" aperture="4" distance="10" k1="-0.7014" k2="0.1481" k3="-0.1724"/>
            <vignetting model="pa" focal="16" aperture="4" distance="1000" k1="-0.7014" k2="0.1481" k3="-0.1724"/>
            <vignetting model="pa" focal="16" aperture="5.6" distance="10" k1="-0.9756" k2="1.1865" k3="-0.8011"/>
            <vignetting model="pa" focal="16" aperture="5.6" distance="1000" k1="-0.9756" k2="1.1865" k3="-0.8011"/>
            <vignetting model="pa" focal="16" aperture="8" distance="10" k1="-0.8989" k2="0.8097" k3="-0.3904"/>
            <vignetting model="pa" focal="16" aperture="8" distance="1000" k1="-0.8989" k2="0.8097" k3="-0.3904"/>
            <vignetting model="pa" focal="16" aperture="11" distance="10" k1="-0.8800" k2="0.7177" k3="-0.3035"/>
            <vignetting model="pa" focal="16" aperture="11" distance="1000" k1="-0.8800" k2="0.7177" k3="-0.3035"/>
            <vignetting model="pa" focal="16" aperture="22" distance="10" k1="-0.8859" k2="0.7186" k3="-0.3020"/>
            <vignetting model="pa" focal="16" aperture="22" distance="1000" k1="-0.8859" k2="0.7186" k3="-0.3020"/>
            <vignetting model="pa" focal="20" aperture="4" distance="10" k1="-0.6846" k2="-0.0722" k3="0.2144"/>
            <vignetting model="pa" focal="20" aperture="4" distance="1000" k1="-0.6846" k2="-0.0722" k3="0.2144"/>
            <vignetting model="pa" focal="20" aperture="5.6" distance="10" k1="-0.7664" k2="0.5034" k3="-0.2123"/>
            <vignetting model="pa" focal="20" aperture="5.6" distance="1000" k1="-0.7664" k2="0.5034" k3="-0.2123"/>
            <vignetting model="pa" focal="20" aperture="8" distance="10" k1="-0.7942" k2="0.5804" k3="-0.2118"/>
            <vignetting model="pa" focal="20" aperture="8" distance="1000" k1="-0.7942" k2="0.5804" k3="-0.2118"/>
            <vignetting model="pa" focal="20" aperture="11" distance="10" k1="-0.7920" k2="0.5611" k3="-0.1968"/>
            <vignetting model="pa" focal="20" aperture="11" distance="1000" k1="-0.7920" k2="0.5611" k3="-0.1968"/>
            <vignetting model="pa" focal="20" aperture="22" distance="10" k1="-0.7958" k2="0.5614" k3="-0.1960"/>
            <vignetting model="pa" focal="20" aperture="22" distance="1000" k1="-0.7958" k2="0.5614" k3="-0.1960"/>
            <vignetting model="pa" focal="24" aperture="4" distance="10" k1="-0.8073" k2="0.1063" k3="0.1479"/>
            <vignetting model="pa" focal="24" aperture="4" distance="1000" k1="-0.8073" k2="0.1063" k3="0.1479"/>
            <vignetting model="pa" focal="24" aperture="5.6" distance="10" k1="-0.6114" k2="0.1622" k3="-0.0070"/>
            <vignetting model="pa" focal="24" aperture="5.6" distance="1000" k1="-0.6114" k2="0.1622" k3="-0.0070"/>
            <vignetting model="pa" focal="24" aperture="8" distance="10" k1="-0.6748" k2="0.3527" k3="-0.0730"/>
            <vignetting model="pa" focal="24" aperture="8" distance="1000" k1="-0.6748" k2="0.3527" k3="-0.0730"/>
            <vignetting model="pa" focal="24" aperture="11" distance="10" k1="-0.6736" k2="0.3290" k3="-0.0493"/>
            <vignetting model="pa" focal="24" aperture="11" distance="1000" k1="-0.6736" k2="0.3290" k3="-0.0493"/>
            <vignetting model="pa" focal="24" aperture="22" distance="10" k1="-0.6792" k2="0.3317" k3="-0.0506"/>
            <vignetting model="pa" focal="24" aperture="22" distance="1000" k1="-0.6792" k2="0.3317" k3="-0.0506"/>
            <vignetting model="pa" focal="28" aperture="4" distance="10" k1="-1.0604" k2="0.5488" k3="-0.0831"/>
            <vignetting model="pa" focal="28" aperture="4" distance="1000" k1="-1.0604" k2="0.5488" k3="-0.0831"/>
            <vignetting model="pa" focal="28" aperture="5.6" distance="10" k1="-0.4662" k2="-0.2364" k3="0.2410"/>
            <vignetting model="pa" focal="28" aperture="5.6" distance="1000" k1="-0.4662" k2="-0.2364" k3="0.2410"/>
            <vignetting model="pa" focal="28" aperture="8" distance="10" k1="-0.5953" k2="0.2940" k3="-0.0924"/>
            <vignetting model="pa" focal="28" aperture="8" distance="1000" k1="-0.5953" k2="0.2940" k3="-0.0924"/>
            <vignetting model="pa" focal="28" aperture="11" distance="10" k1="-0.5757" k2="0.1858" k3="0.0194"/>
            <vignetting model="pa" focal="28" aperture="11" distance="1000" k1="-0.5757" k2="0.1858" k3="0.0194"/>
            <vignetting model="pa" focal="28" aperture="22" distance="10" k1="-0.5766" k2="0.1759" k3="0.0268"/>
            <vignetting model="pa" focal="28" aperture="22" distance="1000" k1="-0.5766" k2="0.1759" k3="0.0268"/>
            <vignetting model="pa" focal="35" aperture="4" distance="10" k1="-1.5217" k2="1.5865" k3="-0.6906"/>
            <vignetting model="pa" focal="35" aperture="4" distance="1000" k1="-1.5217" k2="1.5865" k3="-0.6906"/>
            <vignetting model="pa" focal="35" aperture="5.6" distance="10" k1="-0.4123" k2="-0.4033" k3="0.3569"/>
            <vignetting model="pa" focal="35" aperture="5.6" distance="1000" k1="-0.4123" k2="-0.4033" k3="0.3569"/>
            <vignetting model="pa" focal="35" aperture="8" distance="10" k1="-0.4765" k2="0.1913" k3="-0.0933"/>
            <vignetting model="pa" focal="35" aperture="8" distance="1000" k1="-0.4765" k2="0.1913" k3="-0.0933"/>
            <vignetting model="pa" focal="35" aperture="11" distance="10" k1="-0.4715" k2="0.1089" k3="0.0309"/>
            <vignetting model="pa" focal="35" aperture="11" distance="1000" k1="-0.4715" k2="0.1089" k3="0.0309"/>
            <vignetting model="pa" focal="35" aperture="22" distance="10" k1="-0.4726" k2="0.1016" k3="0.0372"/>
            <vignetting model="pa" focal="35" aperture="22" distance="1000" k1="-0.4726" k2="0.1016" k3="0.0372"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 70-210mm f/3.5-4.5 USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <!-- Taken with Canon 5D -->
            <distortion model="ptlens" focal="70" a="0.002876" b="-0.015288" c="0.013076"/>
            <distortion model="ptlens" focal="85" a="0.003736" b="-0.012136" c="0.013108"/>
            <distortion model="ptlens" focal="97" a="0.002884" b="-0.005767" c="0.008626"/>
            <distortion model="ptlens" focal="135" a="0.000322" b="0.008325" c="-0.005967"/>
            <distortion model="ptlens" focal="210" a="-0.006697" b="0.04309" c="-0.047894"/>
            <tca model="poly3" focal="70" br="0.0000102" vr="1.0000497" bb="-0.0000245" vb="1.0000352"/>
            <tca model="poly3" focal="105" br="-0.0000174" vr="1.0000096" bb="-0.0000183" vb="0.9999608"/>
            <tca model="poly3" focal="137" br="0.0000000" vr="0.9999283" bb="-0.0000082" vb="0.9998754"/>
            <tca model="poly3" focal="210" br="-0.0000161" vr="0.9997241" bb="-0.0000788" vb="0.9998228"/>
            <vignetting model="pa" focal="70" aperture="3.5" distance="1.5" k1="-1.0958" k2="0.7157" k3="-0.2301"/>
            <vignetting model="pa" focal="70" aperture="3.5" distance="5" k1="-1.1390" k2="0.7892" k3="-0.2682"/>
            <vignetting model="pa" focal="70" aperture="3.5" distance="1000" k1="-1.1538" k2="0.8152" k3="-0.2810"/>
            <vignetting model="pa" focal="70" aperture="4" distance="1.5" k1="-0.8384" k2="0.2147" k3="0.0405"/>
            <vignetting model="pa" focal="70" aperture="4" distance="5" k1="-0.8865" k2="0.2957" k3="-0.0005"/>
            <vignetting model="pa" focal="70" aperture="4" distance="1000" k1="-0.8541" k2="0.2096" k3="0.0494"/>
            <vignetting model="pa" focal="70" aperture="5.6" distance="1.5" k1="-0.2122" k2="0.1127" k3="-0.2035"/>
            <vignetting model="pa" focal="70" aperture="5.6" distance="5" k1="-0.2052" k2="0.0655" k3="-0.1778"/>
            <vignetting model="pa" focal="70" aperture="5.6" distance="1000" k1="-0.2044" k2="0.0247" k3="-0.1485"/>
            <vignetting model="pa" focal="70" aperture="8" distance="1.5" k1="-0.2297" k2="-0.0043" k3="0.0632"/>
            <vignetting model="pa" focal="70" aperture="8" distance="5" k1="-0.2364" k2="0.0361" k3="0.0337"/>
            <vignetting model="pa" focal="70" aperture="8" distance="1000" k1="-0.2313" k2="0.0126" k3="0.0543"/>
            <vignetting model="pa" focal="70" aperture="11" distance="1.5" k1="-0.2409" k2="0.0154" k3="0.0512"/>
            <vignetting model="pa" focal="70" aperture="11" distance="5" k1="-0.2216" k2="-0.0135" k3="0.0679"/>
            <vignetting model="pa" focal="70" aperture="11" distance="1000" k1="-0.2387" k2="0.0169" k3="0.0504"/>
            <vignetting model="pa" focal="70" aperture="16" distance="1.5" k1="-0.2426" k2="0.0137" k3="0.0531"/>
            <vignetting model="pa" focal="70" aperture="16" distance="5" k1="-0.2481" k2="0.0374" k3="0.0371"/>
            <vignetting model="pa" focal="70" aperture="16" distance="1000" k1="-0.2451" k2="0.0399" k3="0.0317"/>
            <vignetting model="pa" focal="70" aperture="22" distance="1.5" k1="-0.2497" k2="0.0506" k3="0.0229"/>
            <vignetting model="pa" focal="70" aperture="22" distance="5" k1="-0.2252" k2="0.0168" k3="0.0406"/>
            <vignetting model="pa" focal="70" aperture="22" distance="1000" k1="-0.2312" k2="0.0273" k3="0.0390"/>
            <vignetting model="pa" focal="95" aperture="16" distance="1.5" k1="-0.2359" k2="0.0789" k3="0.0026"/>
            <vignetting model="pa" focal="95" aperture="22" distance="1.5" k1="-0.2277" k2="0.0638" k3="0.0093"/>
            <vignetting model="pa" focal="97" aperture="4" distance="1.5" k1="-0.9336" k2="0.5980" k3="-0.1971"/>
            <vignetting model="pa" focal="97" aperture="4" distance="1000" k1="-0.9611" k2="0.5808" k3="-0.1738"/>
            <vignetting model="pa" focal="97" aperture="5.6" distance="1.5" k1="-0.1701" k2="0.0207" k3="-0.1163"/>
            <vignetting model="pa" focal="97" aperture="5.6" distance="1000" k1="-0.1463" k2="-0.0361" k3="-0.0997"/>
            <vignetting model="pa" focal="97" aperture="8" distance="1.5" k1="-0.1938" k2="0.0177" k3="0.0295"/>
            <vignetting model="pa" focal="97" aperture="8" distance="1000" k1="-0.2130" k2="0.0354" k3="0.0287"/>
            <vignetting model="pa" focal="97" aperture="11" distance="1.5" k1="-0.2449" k2="0.0778" k3="0.0163"/>
            <vignetting model="pa" focal="97" aperture="11" distance="1000" k1="-0.2580" k2="0.0920" k3="0.0085"/>
            <vignetting model="pa" focal="97" aperture="16" distance="1000" k1="-0.2211" k2="0.0433" k3="0.0319"/>
            <vignetting model="pa" focal="97" aperture="22" distance="1000" k1="-0.2422" k2="0.0912" k3="-0.0023"/>
            <vignetting model="pa" focal="100" aperture="4" distance="5" k1="-0.9151" k2="0.5622" k3="-0.1813"/>
            <vignetting model="pa" focal="100" aperture="5.6" distance="5" k1="-0.1644" k2="-0.0108" k3="-0.1030"/>
            <vignetting model="pa" focal="100" aperture="8" distance="5" k1="-0.2175" k2="0.0602" k3="0.0062"/>
            <vignetting model="pa" focal="100" aperture="11" distance="5" k1="-0.2287" k2="0.0684" k3="0.0136"/>
            <vignetting model="pa" focal="100" aperture="16" distance="5" k1="-0.2326" k2="0.0779" k3="0.0060"/>
            <vignetting model="pa" focal="100" aperture="22" distance="5" k1="-0.2417" k2="0.0934" k3="-0.0034"/>
            <vignetting model="pa" focal="135" aperture="4" distance="1.5" k1="-0.6891" k2="0.3080" k3="-0.1763"/>
            <vignetting model="pa" focal="135" aperture="4" distance="1000" k1="-0.4960" k2="-0.2198" k3="0.1216"/>
            <vignetting model="pa" focal="135" aperture="5.6" distance="1.5" k1="-0.1677" k2="0.0397" k3="-0.2375"/>
            <vignetting model="pa" focal="135" aperture="5.6" distance="5" k1="-0.1066" k2="-0.1174" k3="-0.1820"/>
            <vignetting model="pa" focal="135" aperture="5.6" distance="1000" k1="-0.0897" k2="-0.2019" k3="-0.1351"/>
            <vignetting model="pa" focal="135" aperture="8" distance="1.5" k1="-0.2347" k2="0.1203" k3="-0.0384"/>
            <vignetting model="pa" focal="135" aperture="8" distance="5" k1="-0.2544" k2="0.1707" k3="-0.0796"/>
            <vignetting model="pa" focal="135" aperture="8" distance="1000" k1="-0.2730" k2="0.2071" k3="-0.1041"/>
            <vignetting model="pa" focal="135" aperture="11" distance="1.5" k1="-0.2654" k2="0.1258" k3="-0.0130"/>
            <vignetting model="pa" focal="135" aperture="11" distance="5" k1="-0.2682" k2="0.1343" k3="-0.0207"/>
            <vignetting model="pa" focal="135" aperture="11" distance="1000" k1="-0.2463" k2="0.1042" k3="-0.0064"/>
            <vignetting model="pa" focal="135" aperture="16" distance="1.5" k1="-0.3260" k2="0.2395" k3="-0.0770"/>
            <vignetting model="pa" focal="135" aperture="16" distance="5" k1="-0.3021" k2="0.2058" k3="-0.0634"/>
            <vignetting model="pa" focal="135" aperture="16" distance="1000" k1="-0.2913" k2="0.1828" k3="-0.0492"/>
            <vignetting model="pa" focal="135" aperture="25" distance="1.5" k1="-0.3414" k2="0.2624" k3="-0.0884"/>
            <vignetting model="pa" focal="135" aperture="25" distance="5" k1="-0.3524" k2="0.3012" k3="-0.1144"/>
            <vignetting model="pa" focal="135" aperture="25" distance="1000" k1="-0.3181" k2="0.2146" k3="-0.0605"/>
            <vignetting model="pa" focal="137" aperture="4" distance="5" k1="-0.5470" k2="-0.0934" k3="0.0487"/>
            <vignetting model="pa" focal="210" aperture="4.5" distance="1.5" k1="-0.3789" k2="-1.0784" k3="0.7960"/>
            <vignetting model="pa" focal="210" aperture="4.5" distance="5" k1="-0.6299" k2="-0.6743" k3="0.6066"/>
            <vignetting model="pa" focal="210" aperture="4.5" distance="1000" k1="-0.7529" k2="-0.4432" k3="0.4821"/>
            <vignetting model="pa" focal="210" aperture="5.6" distance="1.5" k1="0.0802" k2="-1.3774" k3="0.7501"/>
            <vignetting model="pa" focal="210" aperture="5.6" distance="5" k1="-0.0755" k2="-1.2845" k3="0.7669"/>
            <vignetting model="pa" focal="210" aperture="5.6" distance="1000" k1="-0.1826" k2="-1.1468" k3="0.7151"/>
            <vignetting model="pa" focal="210" aperture="8" distance="1.5" k1="-0.2313" k2="0.2456" k3="-0.3060"/>
            <vignetting model="pa" focal="210" aperture="8" distance="5" k1="-0.1866" k2="0.0449" k3="-0.1992"/>
            <vignetting model="pa" focal="210" aperture="8" distance="1000" k1="-0.1599" k2="-0.0698" k3="-0.1270"/>
            <vignetting model="pa" focal="210" aperture="11" distance="1.5" k1="-0.2653" k2="0.2219" k3="-0.1179"/>
            <vignetting model="pa" focal="210" aperture="11" distance="5" k1="-0.3193" k2="0.3466" k3="-0.2256"/>
            <vignetting model="pa" focal="210" aperture="11" distance="1000" k1="-0.3098" k2="0.3542" k3="-0.2466"/>
            <vignetting model="pa" focal="210" aperture="16" distance="1.5" k1="-0.2802" k2="0.1580" k3="-0.0310"/>
            <vignetting model="pa" focal="210" aperture="16" distance="5" k1="-0.2918" k2="0.1659" k3="-0.0315"/>
            <vignetting model="pa" focal="210" aperture="16" distance="1000" k1="-0.2769" k2="0.1380" k3="-0.0200"/>
            <vignetting model="pa" focal="210" aperture="29" distance="1.5" k1="-0.3180" k2="0.2419" k3="-0.0864"/>
            <vignetting model="pa" focal="210" aperture="29" distance="5" k1="-0.3350" k2="0.2654" k3="-0.0970"/>
            <vignetting model="pa" focal="210" aperture="29" distance="1000" k1="-0.3346" k2="0.2640" k3="-0.0997"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 24-70mm f/4L IS USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <!-- Taken with Canon 5D Mark III -->
            <distortion model="ptlens" focal="24" a="0.01231" b="-0.02141" c="-0.02607"/>
            <distortion model="ptlens" focal="33" a="0.00008" b="0.00847" c="-0.02294"/>
            <distortion model="ptlens" focal="42" a="0" b="0.00302" c="0"/>
            <distortion model="ptlens" focal="70" a="0" b="0.00807" c="0"/>
            <tca model="poly3" focal="24" br="-0.0000967" vr="1.0003311" bb="0.0000579" vb="0.9999625"/>
            <tca model="poly3" focal="35" br="-0.0000609" vr="1.0002052" bb="0.0000471" vb="0.9999760"/>
            <tca model="poly3" focal="42" br="-0.0000549" vr="1.0000990" bb="0.0000341" vb="0.9999984"/>
            <tca model="poly3" focal="50" br="-0.0000538" vr="1.0000124" bb="0.0000396" vb="1.0000021"/>
            <tca model="poly3" focal="70" br="-0.0000278" vr="0.9998685" bb="0.0000294" vb="0.9999997"/>
            <!-- Taken with Canon EOS 6D -->
            <vignetting model="pa" focal="24" aperture="4" distance="10" k1="-0.1615" k2="-1.1713" k3="0.6378"/>
            <vignetting model="pa" focal="24" aperture="4" distance="1000" k1="-0.1615" k2="-1.1713" k3="0.6378"/>
            <vignetting model="pa" focal="24" aperture="5.6" distance="10" k1="-0.3982" k2="-0.0498" k3="-0.1606"/>
            <vignetting model="pa" focal="24" aperture="5.6" distance="1000" k1="-0.3982" k2="-0.0498" k3="-0.1606"/>
            <vignetting model="pa" focal="24" aperture="8" distance="10" k1="-0.5970" k2="0.6157" k3="-0.5651"/>
            <vignetting model="pa" focal="24" aperture="8" distance="1000" k1="-0.5970" k2="0.6157" k3="-0.5651"/>
            <vignetting model="pa" focal="24" aperture="11" distance="10" k1="-0.6115" k2="0.5818" k3="-0.4343"/>
            <vignetting model="pa" focal="24" aperture="11" distance="1000" k1="-0.6115" k2="0.5818" k3="-0.4343"/>
            <vignetting model="pa" focal="24" aperture="22" distance="10" k1="-0.4913" k2="0.0981" k3="0.0087"/>
            <vignetting model="pa" focal="24" aperture="22" distance="1000" k1="-0.4913" k2="0.0981" k3="0.0087"/>
            <vignetting model="pa" focal="35" aperture="4" distance="10" k1="-0.4223" k2="-0.5202" k3="0.4288"/>
            <vignetting model="pa" focal="35" aperture="4" distance="1000" k1="-0.4223" k2="-0.5202" k3="0.4288"/>
            <vignetting model="pa" focal="35" aperture="5.6" distance="10" k1="-0.3922" k2="0.1260" k3="-0.0575"/>
            <vignetting model="pa" focal="35" aperture="5.6" distance="1000" k1="-0.3922" k2="0.1260" k3="-0.0575"/>
            <vignetting model="pa" focal="35" aperture="8" distance="10" k1="-0.3842" k2="0.0713" k3="0.0195"/>
            <vignetting model="pa" focal="35" aperture="8" distance="1000" k1="-0.3842" k2="0.0713" k3="0.0195"/>
            <vignetting model="pa" focal="35" aperture="11" distance="10" k1="-0.3857" k2="0.0737" k3="0.0193"/>
            <vignetting model="pa" focal="35" aperture="11" distance="1000" k1="-0.3857" k2="0.0737" k3="0.0193"/>
            <vignetting model="pa" focal="35" aperture="22" distance="10" k1="-0.3801" k2="0.0557" k3="0.0315"/>
            <vignetting model="pa" focal="35" aperture="22" distance="1000" k1="-0.3801" k2="0.0557" k3="0.0315"/>
            <vignetting model="pa" focal="45" aperture="4" distance="10" k1="-0.7061" k2="-0.0355" k3="0.2001"/>
            <vignetting model="pa" focal="45" aperture="4" distance="1000" k1="-0.7061" k2="-0.0355" k3="0.2001"/>
            <vignetting model="pa" focal="45" aperture="5.6" distance="10" k1="-0.3253" k2="0.0580" k3="-0.0546"/>
            <vignetting model="pa" focal="45" aperture="5.6" distance="1000" k1="-0.3253" k2="0.0580" k3="-0.0546"/>
            <vignetting model="pa" focal="45" aperture="8" distance="10" k1="-0.3470" k2="0.0840" k3="0.0080"/>
            <vignetting model="pa" focal="45" aperture="8" distance="1000" k1="-0.3470" k2="0.0840" k3="0.0080"/>
            <vignetting model="pa" focal="45" aperture="11" distance="10" k1="-0.3482" k2="0.0836" k3="0.0097"/>
            <vignetting model="pa" focal="45" aperture="11" distance="1000" k1="-0.3482" k2="0.0836" k3="0.0097"/>
            <vignetting model="pa" focal="45" aperture="22" distance="10" k1="-0.3432" k2="0.0681" k3="0.0205"/>
            <vignetting model="pa" focal="45" aperture="22" distance="1000" k1="-0.3432" k2="0.0681" k3="0.0205"/>
            <vignetting model="pa" focal="57" aperture="4" distance="10" k1="-1.1430" k2="1.0845" k3="-0.5956"/>
            <vignetting model="pa" focal="57" aperture="4" distance="1000" k1="-1.1430" k2="1.0845" k3="-0.5956"/>
            <vignetting model="pa" focal="57" aperture="5.6" distance="10" k1="-0.4146" k2="0.5478" k3="-0.5451"/>
            <vignetting model="pa" focal="57" aperture="5.6" distance="1000" k1="-0.4146" k2="0.5478" k3="-0.5451"/>
            <vignetting model="pa" focal="57" aperture="8" distance="10" k1="-0.3612" k2="0.2531" k3="-0.1443"/>
            <vignetting model="pa" focal="57" aperture="8" distance="1000" k1="-0.3612" k2="0.2531" k3="-0.1443"/>
            <vignetting model="pa" focal="57" aperture="11" distance="10" k1="-0.3193" k2="0.0897" k3="0.0028"/>
            <vignetting model="pa" focal="57" aperture="11" distance="1000" k1="-0.3193" k2="0.0897" k3="0.0028"/>
            <vignetting model="pa" focal="57" aperture="22" distance="10" k1="-0.3155" k2="0.0769" k3="0.0120"/>
            <vignetting model="pa" focal="57" aperture="22" distance="1000" k1="-0.3155" k2="0.0769" k3="0.0120"/>
            <vignetting model="pa" focal="70" aperture="4" distance="10" k1="-1.4222" k2="1.7476" k3="-0.9716"/>
            <vignetting model="pa" focal="70" aperture="4" distance="1000" k1="-1.4222" k2="1.7476" k3="-0.9716"/>
            <vignetting model="pa" focal="70" aperture="5.6" distance="10" k1="-0.2987" k2="0.1781" k3="-0.3001"/>
            <vignetting model="pa" focal="70" aperture="5.6" distance="1000" k1="-0.2987" k2="0.1781" k3="-0.3001"/>
            <vignetting model="pa" focal="70" aperture="8" distance="10" k1="-0.3198" k2="0.2335" k3="-0.1340"/>
            <vignetting model="pa" focal="70" aperture="8" distance="1000" k1="-0.3198" k2="0.2335" k3="-0.1340"/>
            <vignetting model="pa" focal="70" aperture="11" distance="10" k1="-0.2890" k2="0.1029" k3="-0.0126"/>
            <vignetting model="pa" focal="70" aperture="11" distance="1000" k1="-0.2890" k2="0.1029" k3="-0.0126"/>
            <vignetting model="pa" focal="70" aperture="22" distance="10" k1="-0.2864" k2="0.0932" k3="-0.0051"/>
            <vignetting model="pa" focal="70" aperture="22" distance="1000" k1="-0.2864" k2="0.0932" k3="-0.0051"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 24-70mm f/4L IS USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1.600</cropfactor>
        <calibration>
            <!-- Taken with Canon 70D -->
            <distortion model="poly3" focal="24" k1="-0.00617"/>
            <distortion model="poly3" focal="35" k1="-0.00017"/>
            <distortion model="poly3" focal="70" k1="0.00069"/>
            <tca model="poly3" focal="24" vr="1.0002234" vb="1.0000123"/>
            <tca model="poly3" focal="35" vr="1.0001076" vb="0.9999995"/>
            <tca model="poly3" focal="70" vr="0.9998799" vb="1.0000011"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF-S 10-18mm f/4.5-5.6 IS STM</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.62</cropfactor>
        <calibration>
            <!-- Taken with Canon 60D -->
            <distortion model="ptlens" focal="10" a="0.00949" b="-0.05893" c="0.07285"/>
            <distortion model="ptlens" focal="11" a="-0.00564" b="0.00351" c="0.00207"/>
            <distortion model="ptlens" focal="12" a="-0.00356" b="-0.00048" c="0.0094"/>
            <distortion model="ptlens" focal="15" a="0" b="0.00056" c="0"/>
            <distortion model="ptlens" focal="18" a="0" b="0.00148" c="0"/>
            <tca model="poly3" focal="10" br="0.0001349" vr="1.0002043" bb="-0.0000252" vb="1.0001449"/>
            <tca model="poly3" focal="11" br="0.0001467" vr="1.0000867" bb="-0.0000398" vb="1.0001593"/>
            <tca model="poly3" focal="12" br="0.0001790" vr="1.0000317" bb="-0.0000910" vb="1.0002721"/>
            <tca model="poly3" focal="15" br="0.0001485" vr="0.9999637" bb="-0.0000704" vb="1.0003160"/>
            <tca model="poly3" focal="18" br="0.0000770" vr="0.9999802" bb="-0.0000703" vb="1.0003253"/>
            <!-- Taken with  EOS 750D -->
            <vignetting model="pa" focal="10" aperture="4.5" distance="10" k1="-1.2728" k2="1.0074" k3="-0.4320"/>
            <vignetting model="pa" focal="10" aperture="4.5" distance="1000" k1="-1.2728" k2="1.0074" k3="-0.4320"/>
            <vignetting model="pa" focal="10" aperture="6.3" distance="10" k1="-0.5476" k2="0.3083" k3="-0.2997"/>
            <vignetting model="pa" focal="10" aperture="6.3" distance="1000" k1="-0.5476" k2="0.3083" k3="-0.2997"/>
            <vignetting model="pa" focal="10" aperture="9" distance="10" k1="-0.6331" k2="0.5871" k3="-0.4044"/>
            <vignetting model="pa" focal="10" aperture="9" distance="1000" k1="-0.6331" k2="0.5871" k3="-0.4044"/>
            <vignetting model="pa" focal="10" aperture="13" distance="10" k1="-0.5484" k2="0.2433" k3="-0.0884"/>
            <vignetting model="pa" focal="10" aperture="13" distance="1000" k1="-0.5484" k2="0.2433" k3="-0.0884"/>
            <vignetting model="pa" focal="10" aperture="22" distance="10" k1="-0.5480" k2="0.2298" k3="-0.0741"/>
            <vignetting model="pa" focal="10" aperture="22" distance="1000" k1="-0.5480" k2="0.2298" k3="-0.0741"/>
            <vignetting model="pa" focal="12" aperture="5" distance="10" k1="-1.0984" k2="0.6215" k3="-0.1424"/>
            <vignetting model="pa" focal="12" aperture="5" distance="1000" k1="-1.0984" k2="0.6215" k3="-0.1424"/>
            <vignetting model="pa" focal="12" aperture="7.1" distance="10" k1="-0.4282" k2="-0.0019" k3="0.0181"/>
            <vignetting model="pa" focal="12" aperture="7.1" distance="1000" k1="-0.4282" k2="-0.0019" k3="0.0181"/>
            <vignetting model="pa" focal="12" aperture="10" distance="10" k1="-0.4701" k2="0.1089" k3="0.0077"/>
            <vignetting model="pa" focal="12" aperture="10" distance="1000" k1="-0.4701" k2="0.1089" k3="0.0077"/>
            <vignetting model="pa" focal="12" aperture="14" distance="10" k1="-0.4718" k2="0.1076" k3="0.0096"/>
            <vignetting model="pa" focal="12" aperture="14" distance="1000" k1="-0.4718" k2="0.1076" k3="0.0096"/>
            <vignetting model="pa" focal="12" aperture="25" distance="10" k1="-0.4792" k2="0.1168" k3="0.0059"/>
            <vignetting model="pa" focal="12" aperture="25" distance="1000" k1="-0.4792" k2="0.1168" k3="0.0059"/>
            <vignetting model="pa" focal="14" aperture="5" distance="10" k1="-0.9597" k2="0.4374" k3="-0.0569"/>
            <vignetting model="pa" focal="14" aperture="5" distance="1000" k1="-0.9597" k2="0.4374" k3="-0.0569"/>
            <vignetting model="pa" focal="14" aperture="7.1" distance="10" k1="-0.3871" k2="0.0057" k3="0.0006"/>
            <vignetting model="pa" focal="14" aperture="7.1" distance="1000" k1="-0.3871" k2="0.0057" k3="0.0006"/>
            <vignetting model="pa" focal="14" aperture="10" distance="10" k1="-0.4204" k2="0.0790" k3="0.0150"/>
            <vignetting model="pa" focal="14" aperture="10" distance="1000" k1="-0.4204" k2="0.0790" k3="0.0150"/>
            <vignetting model="pa" focal="14" aperture="14" distance="10" k1="-0.4231" k2="0.0761" k3="0.0195"/>
            <vignetting model="pa" focal="14" aperture="14" distance="1000" k1="-0.4231" k2="0.0761" k3="0.0195"/>
            <vignetting model="pa" focal="14" aperture="25" distance="10" k1="-0.4280" k2="0.0768" k3="0.0209"/>
            <vignetting model="pa" focal="14" aperture="25" distance="1000" k1="-0.4280" k2="0.0768" k3="0.0209"/>
            <vignetting model="pa" focal="16" aperture="5.6" distance="10" k1="-0.8484" k2="0.3033" k3="-0.0017"/>
            <vignetting model="pa" focal="16" aperture="5.6" distance="1000" k1="-0.8484" k2="0.3033" k3="-0.0017"/>
            <vignetting model="pa" focal="16" aperture="8" distance="10" k1="-0.3893" k2="0.1128" k3="-0.0499"/>
            <vignetting model="pa" focal="16" aperture="8" distance="1000" k1="-0.3893" k2="0.1128" k3="-0.0499"/>
            <vignetting model="pa" focal="16" aperture="11" distance="10" k1="-0.3894" k2="0.0746" k3="0.0080"/>
            <vignetting model="pa" focal="16" aperture="11" distance="1000" k1="-0.3894" k2="0.0746" k3="0.0080"/>
            <vignetting model="pa" focal="16" aperture="16" distance="10" k1="-0.3942" k2="0.0802" k3="0.0043"/>
            <vignetting model="pa" focal="16" aperture="16" distance="1000" k1="-0.3942" k2="0.0802" k3="0.0043"/>
            <vignetting model="pa" focal="16" aperture="29" distance="10" k1="-0.4009" k2="0.0897" k3="-0.0021"/>
            <vignetting model="pa" focal="16" aperture="29" distance="1000" k1="-0.4009" k2="0.0897" k3="-0.0021"/>
            <vignetting model="pa" focal="18" aperture="5.6" distance="10" k1="-0.7821" k2="0.2242" k3="0.0335"/>
            <vignetting model="pa" focal="18" aperture="5.6" distance="1000" k1="-0.7821" k2="0.2242" k3="0.0335"/>
            <vignetting model="pa" focal="18" aperture="8" distance="10" k1="-0.3647" k2="0.0797" k3="-0.0161"/>
            <vignetting model="pa" focal="18" aperture="8" distance="1000" k1="-0.3647" k2="0.0797" k3="-0.0161"/>
            <vignetting model="pa" focal="18" aperture="11" distance="10" k1="-0.3683" k2="0.0602" k3="0.0145"/>
            <vignetting model="pa" focal="18" aperture="11" distance="1000" k1="-0.3683" k2="0.0602" k3="0.0145"/>
            <vignetting model="pa" focal="18" aperture="16" distance="10" k1="-0.3713" k2="0.0574" k3="0.0180"/>
            <vignetting model="pa" focal="18" aperture="16" distance="1000" k1="-0.3713" k2="0.0574" k3="0.0180"/>
            <vignetting model="pa" focal="18" aperture="29" distance="10" k1="-0.3780" k2="0.0645" k3="0.0142"/>
            <vignetting model="pa" focal="18" aperture="29" distance="1000" k1="-0.3780" k2="0.0645" k3="0.0142"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF-S 24mm f/2.8 STM</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.622</cropfactor>
        <calibration>
            <!-- Taken with Canon 400D -->
            <distortion model="poly3" focal="24" k1="-0.00902"/>
            <tca model="poly3" focal="24" vr="1.0001965" vb="1.0000158"/>
            <!-- From upload 2c5bc3 #177, probably need checking against
                 real-world images -->
            <vignetting model="pa" focal="24" aperture="2.8" distance="10" k1="-1.2563" k2="0.9493" k3="-0.3628"/>
            <vignetting model="pa" focal="24" aperture="2.8" distance="1000" k1="-1.2563" k2="0.9493" k3="-0.3628"/>
            <vignetting model="pa" focal="24" aperture="3.2" distance="10" k1="-0.3986" k2="-0.5524" k3="0.3889"/>
            <vignetting model="pa" focal="24" aperture="3.2" distance="1000" k1="-0.3986" k2="-0.5524" k3="0.3889"/>
            <vignetting model="pa" focal="24" aperture="3.5" distance="10" k1="-0.2676" k2="-0.5336" k3="0.2938"/>
            <vignetting model="pa" focal="24" aperture="3.5" distance="1000" k1="-0.2676" k2="-0.5336" k3="0.2938"/>
            <vignetting model="pa" focal="24" aperture="4" distance="10" k1="-0.2463" k2="-0.2555" k3="0.0645"/>
            <vignetting model="pa" focal="24" aperture="4" distance="1000" k1="-0.2463" k2="-0.2555" k3="0.0645"/>
            <vignetting model="pa" focal="24" aperture="4.5" distance="10" k1="-0.3695" k2="0.2705" k3="-0.2835"/>
            <vignetting model="pa" focal="24" aperture="4.5" distance="1000" k1="-0.3695" k2="0.2705" k3="-0.2835"/>
            <vignetting model="pa" focal="24" aperture="5" distance="10" k1="-0.4313" k2="0.4569" k3="-0.3796"/>
            <vignetting model="pa" focal="24" aperture="5" distance="1000" k1="-0.4313" k2="0.4569" k3="-0.3796"/>
            <vignetting model="pa" focal="24" aperture="6.3" distance="10" k1="-0.4931" k2="0.4974" k3="-0.3066"/>
            <vignetting model="pa" focal="24" aperture="6.3" distance="1000" k1="-0.4931" k2="0.4974" k3="-0.3066"/>
            <vignetting model="pa" focal="24" aperture="8" distance="10" k1="-0.5693" k2="0.7255" k3="-0.4700"/>
            <vignetting model="pa" focal="24" aperture="8" distance="1000" k1="-0.5693" k2="0.7255" k3="-0.4700"/>
            <vignetting model="pa" focal="24" aperture="22" distance="10" k1="-0.5337" k2="0.5936" k3="-0.3481"/>
            <vignetting model="pa" focal="24" aperture="22" distance="1000" k1="-0.5337" k2="0.5936" k3="-0.3481"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon FDn 24mm 1:2.8</model>
        <mount>Canon FD</mount>
        <cropfactor>1.529</cropfactor>
        <calibration>
            <!-- Taken with Fujifilm X-A2 -->
            <distortion model="ptlens" focal="24" a="0.00827" b="-0.02833" c="0.01235"/>
            <tca model="poly3" focal="24" vr="1.0006247" vb="0.9998035"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon FDn 50mm 1:1.8</model>
        <mount>Canon FD</mount>
        <cropfactor>1.529</cropfactor>
        <calibration>
            <!-- Taken with Fujifilm X-A2 -->
            <distortion model="poly3" focal="50" k1="-0.00209"/>
            <tca model="poly3" focal="50" vr="1.0000463" vb="0.9999598"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 40mm f/2.8 STM</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <!-- Taken with Canon 5D Mark III -->
            <distortion model="ptlens" focal="40" a="0.01087" b="-0.02951" c="0.0162"/>
            <tca model="poly3" focal="40" br="-0.0001009" vr="1.0003216" bb="0.0001426" vb="0.9997719"/>
            <vignetting model="pa" focal="40" aperture="2.8" distance="0.3" k1="-1.2236" k2="0.9039" k3="-0.3077"/>
            <vignetting model="pa" focal="40" aperture="2.8" distance="1000" k1="-1.5776" k2="1.3808" k3="-0.5311"/>
            <vignetting model="pa" focal="40" aperture="4" distance="0.3" k1="-0.3194" k2="-0.1724" k3="0.1008"/>
            <vignetting model="pa" focal="40" aperture="4" distance="1000" k1="-0.3977" k2="-0.2867" k3="0.1647"/>
            <vignetting model="pa" focal="40" aperture="5.6" distance="0.3" k1="-0.3672" k2="-0.0314" k3="0.0908"/>
            <vignetting model="pa" focal="40" aperture="5.6" distance="1000" k1="-0.5092" k2="0.0993" k3="0.0131"/>
            <vignetting model="pa" focal="40" aperture="8" distance="0.3" k1="-0.3743" k2="-0.0158" k3="0.0813"/>
            <vignetting model="pa" focal="40" aperture="8" distance="1000" k1="-0.4955" k2="0.0370" k3="0.0743"/>
            <vignetting model="pa" focal="40" aperture="22" distance="0.3" k1="-0.3722" k2="-0.0237" k3="0.0875"/>
            <vignetting model="pa" focal="40" aperture="22" distance="1000" k1="-0.4923" k2="0.0279" k3="0.0801"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 14mm f/2.8L II USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <!-- Taken with Canon 5D Mark III -->
            <distortion model="ptlens" focal="14" a="0.00829" b="-0.02079" c="0.00394"/>
            <tca model="poly3" focal="14" br="0.0000417" vr="1.0000539" bb="-0.0000840" vb="1.0003493"/>
            <vignetting model="pa" focal="14" aperture="2.8" distance="0.2" k1="-1.4013" k2="1.3991" k3="-0.7269"/>
            <vignetting model="pa" focal="14" aperture="2.8" distance="0.4" k1="-1.4276" k2="1.3662" k3="-0.6931"/>
            <vignetting model="pa" focal="14" aperture="2.8" distance="1.2" k1="-1.4382" k2="1.3549" k3="-0.6829"/>
            <vignetting model="pa" focal="14" aperture="2.8" distance="1000" k1="-1.4487" k2="1.3824" k3="-0.7077"/>
            <vignetting model="pa" focal="14" aperture="4" distance="0.2" k1="-0.5387" k2="0.5173" k3="-0.5389"/>
            <vignetting model="pa" focal="14" aperture="4" distance="0.4" k1="-0.4843" k2="0.2804" k3="-0.3967"/>
            <vignetting model="pa" focal="14" aperture="4" distance="1.2" k1="-0.4918" k2="0.2896" k3="-0.4103"/>
            <vignetting model="pa" focal="14" aperture="4" distance="1000" k1="-0.4716" k2="0.2106" k3="-0.3673"/>
            <vignetting model="pa" focal="14" aperture="5.6" distance="0.2" k1="-0.7426" k2="1.1921" k3="-0.8414"/>
            <vignetting model="pa" focal="14" aperture="5.6" distance="0.4" k1="-0.7458" k2="1.1906" k3="-0.8730"/>
            <vignetting model="pa" focal="14" aperture="5.6" distance="1.2" k1="-0.7510" k2="1.1970" k3="-0.8878"/>
            <vignetting model="pa" focal="14" aperture="5.6" distance="1000" k1="-0.7624" k2="1.2514" k3="-0.9452"/>
            <vignetting model="pa" focal="14" aperture="8" distance="0.2" k1="-0.6949" k2="0.9570" k3="-0.5998"/>
            <vignetting model="pa" focal="14" aperture="8" distance="0.4" k1="-0.6851" k2="0.9018" k3="-0.5734"/>
            <vignetting model="pa" focal="14" aperture="8" distance="1.2" k1="-0.6864" k2="0.8886" k3="-0.5663"/>
            <vignetting model="pa" focal="14" aperture="8" distance="1000" k1="-0.6931" k2="0.9103" k3="-0.5837"/>
            <vignetting model="pa" focal="14" aperture="22" distance="0.2" k1="-0.7066" k2="0.9599" k3="-0.5990"/>
            <vignetting model="pa" focal="14" aperture="22" distance="0.4" k1="-0.7064" k2="0.9276" k3="-0.5847"/>
            <vignetting model="pa" focal="14" aperture="22" distance="1.2" k1="-0.7072" k2="0.9190" k3="-0.5841"/>
            <vignetting model="pa" focal="14" aperture="22" distance="1000" k1="-0.7084" k2="0.9197" k3="-0.5869"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 8-15mm f/4L Fisheye USM</model>
        <model lang="de">Canon EF 8-15mm f/4L Fischauge USM</model>
        <mount>Canon EF</mount>
        <type>equisolid</type>
        <cropfactor>1</cropfactor>
        <calibration>
            <!-- Taken with Canon 5D Mark III -->
            <!-- Measured with three overlapping images -->
            <distortion model="ptlens" focal="8" a="0.3872" b="-0.71595" c="0.4026"/>
            <distortion model="ptlens" focal="10" a="-0.0544" b="0.1525" c="-0.13653"/>
            <distortion model="ptlens" focal="12" a="-0.03221" b="0.11073" c="-0.11648"/>
            <distortion model="ptlens" focal="14" a="-0.00184" b="0.02215" c="-0.03559"/>
            <distortion model="ptlens" focal="15" a="-0.03003" b="0.11503" c="-0.13108"/>
            <tca model="poly3" focal="8" br="-0.0001287" vr="1.0002094" bb="-0.0001928" vb="1.0004344"/>
            <tca model="poly3" focal="10" br="-0.0000833" vr="1.0002316" bb="-0.0001865" vb="1.0004452"/>
            <tca model="poly3" focal="12" br="-0.0000267" vr="1.0001820" bb="-0.0001625" vb="1.0004520"/>
            <tca model="poly3" focal="14" br="-0.0000639" vr="1.0001923" bb="-0.0001071" vb="1.0003814"/>
            <tca model="poly3" focal="15" br="-0.0000591" vr="1.0001947" bb="0.0000426" vb="1.0002589"/>
            <!--  Measured with 360 deg pano in Hugin  -->
            <vignetting model="pa" focal="8.0" aperture="4.0" distance="1000" k1="-0.74201" k2="2.47399" k3="-15.16489"/>
            <vignetting model="pa" focal="8.0" aperture="5.7" distance="1000" k1="-0.62824" k2="6.85124" k3="-27.13913"/>
            <vignetting model="pa" focal="8.0" aperture="8.0" distance="1000" k1="-0.62509" k2="5.64784" k3="-19.3304"/>
            <vignetting model="pa" focal="8.0" aperture="11.3" distance="1000" k1="-0.3516564" k2="2.082995" k3="-9.039026"/>
            <vignetting model="pa" focal="8.0" aperture="16.0" distance="1000" k1="-0.5003750" k2="3.737831" k3="-13.520068"/>
            <vignetting model="pa" focal="8.0" aperture="22.6" distance="1000" k1="-0.07041" k2="-0.69851" k3="-1.67072"/>
            <vignetting model="pa" focal="10.0" aperture="4.0" distance="1000" k1="-0.72746" k2="-0.09942" k3="-0.70689"/>
            <vignetting model="pa" focal="10.0" aperture="5.7" distance="1000" k1="-0.1931628" k2="0.7642126" k3="-3.0493423"/>
            <vignetting model="pa" focal="10.0" aperture="8.0" distance="1000" k1="-0.2318170" k2="1.0827161" k3="-2.9844546"/>
            <vignetting model="pa" focal="10.0" aperture="11.3" distance="1000" k1="-0.317637" k2="1.2442765" k3="-3.1631336"/>
            <vignetting model="pa" focal="10.0" aperture="16.0" distance="1000" k1="-0.3118377" k2="1.2093017" k3="-2.761616"/>
            <vignetting model="pa" focal="10.0" aperture="22.6" distance="1000" k1="-0.2610027" k2="1.1099748" k3="-3.1144714"/>
            <vignetting model="pa" focal="12.0" aperture="4.0" distance="1000" k1="-1.006427" k2="1.186514" k3="-1.2502069"/>
            <vignetting model="pa" focal="12.0" aperture="5.7" distance="1000" k1="-0.139657" k2="0.5266220" k3="-1.7394283"/>
            <vignetting model="pa" focal="12.0" aperture="8.0" distance="1000" k1="-0.2139948" k2="0.7699972" k3="-1.3814173"/>
            <vignetting model="pa" focal="12.0" aperture="11.3" distance="1000" k1="-0.1233946" k2="0.2285142" k3="-0.5966985"/>
            <vignetting model="pa" focal="12.0" aperture="16.0" distance="1000" k1="-0.0739687" k2="-0.00158203" k3="-0.434599"/>
            <vignetting model="pa" focal="12.0" aperture="22.6" distance="1000" k1="-0.1074894" k2="0.14376293" k3="-0.5684505"/>
            <vignetting model="pa" focal="14.0" aperture="4.0" distance="1000" k1="-1.004753" k2="1.0054363" k3="-0.6751333"/>
            <vignetting model="pa" focal="14.0" aperture="5.7" distance="1000" k1="0.09228" k2="-0.55818" k3="-0.0582"/>
            <vignetting model="pa" focal="14.0" aperture="8.0" distance="1000" k1="-0.1652601" k2="0.4214602" k3="-0.6094013"/>
            <vignetting model="pa" focal="14.0" aperture="11.3" distance="1000" k1="-0.0877947" k2="0.07377856" k3="-0.2428055"/>
            <vignetting model="pa" focal="14.0" aperture="16.0" distance="1000" k1="-0.0071653" k2="-0.2124960" k3="-0.0181398"/>
            <vignetting model="pa" focal="14.0" aperture="22.6" distance="1000" k1="-0.084905" k2="-0.03558803" k3="-0.1355752"/>
            <vignetting model="pa" focal="15.0" aperture="4.0" distance="1000" k1="-0.7661651" k2="0.4307923" k3="-0.2024326"/>
            <vignetting model="pa" focal="15.0" aperture="5.7" distance="1000" k1="0.100181" k2="-0.7786938" k3="0.33843680"/>
            <vignetting model="pa" focal="15.0" aperture="8.0" distance="1000" k1="-0.1866631" k2="0.4198754" k3="-0.4761803"/>
            <vignetting model="pa" focal="15.0" aperture="11.3" distance="1000" k1="-0.00110386" k2="-0.250853" k3="0.09027765"/>
            <vignetting model="pa" focal="15.0" aperture="16.0" distance="1000" k1="-0.0019172" k2="-0.3189716" k3="0.1790992"/>
            <vignetting model="pa" focal="15.0" aperture="22.6" distance="1000" k1="0.00896031" k2="-0.2219167" k3="0.0575111"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 50mm f/1.8 STM</model>
        <mount>Canon EF</mount>
        <cropfactor>1.005</cropfactor>
        <calibration>
            <!-- Taken with Canon 6D -->
            <distortion model="ptlens" focal="50" a="0.0061844" b="-0.0313122" c="0.0314815"/>
            <!-- Taken with 5D III upload 514b8f #317-->
            <vignetting model="pa" focal="50" aperture="1.8" distance="10" k1="-1.5829" k2="1.2949" k3="-0.5012"/>
            <vignetting model="pa" focal="50" aperture="1.8" distance="1000" k1="-1.5829" k2="1.2949" k3="-0.5012"/>
            <vignetting model="pa" focal="50" aperture="2.5" distance="10" k1="-0.0364" k2="-1.3199" k3="0.7328"/>
            <vignetting model="pa" focal="50" aperture="2.5" distance="1000" k1="-0.0364" k2="-1.3199" k3="0.7328"/>
            <vignetting model="pa" focal="50" aperture="3.5" distance="10" k1="-0.4165" k2="0.4098" k3="-0.4114"/>
            <vignetting model="pa" focal="50" aperture="3.5" distance="1000" k1="-0.4165" k2="0.4098" k3="-0.4114"/>
            <vignetting model="pa" focal="50" aperture="5" distance="10" k1="-0.3328" k2="-0.0205" k3="0.0859"/>
            <vignetting model="pa" focal="50" aperture="5" distance="1000" k1="-0.3328" k2="-0.0205" k3="0.0859"/>
            <vignetting model="pa" focal="50" aperture="22" distance="10" k1="-0.3209" k2="-0.0747" k3="0.1209"/>
            <vignetting model="pa" focal="50" aperture="22" distance="1000" k1="-0.3209" k2="-0.0747" k3="0.1209"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 50mm f/1.8 STM</model>
        <mount>Canon EF</mount>
        <cropfactor>1.613</cropfactor>
        <calibration>
            <!-- Taken with Canon 750D -->
            <vignetting model="pa" focal="50" aperture="1.8" distance="10" k1="-0.8442" k2="0.7323" k3="-0.3554"/>
            <vignetting model="pa" focal="50" aperture="1.8" distance="1000" k1="-0.8442" k2="0.7323" k3="-0.3554"/>
            <vignetting model="pa" focal="50" aperture="2.5" distance="10" k1="-0.2140" k2="0.1358" k3="-0.1449"/>
            <vignetting model="pa" focal="50" aperture="2.5" distance="1000" k1="-0.2140" k2="0.1358" k3="-0.1449"/>
            <vignetting model="pa" focal="50" aperture="3.5" distance="10" k1="-0.1537" k2="-0.0085" k3="-0.0040"/>
            <vignetting model="pa" focal="50" aperture="3.5" distance="1000" k1="-0.1537" k2="-0.0085" k3="-0.0040"/>
            <vignetting model="pa" focal="50" aperture="5" distance="10" k1="-0.1371" k2="-0.0228" k3="0.0094"/>
            <vignetting model="pa" focal="50" aperture="5" distance="1000" k1="-0.1371" k2="-0.0228" k3="0.0094"/>
            <vignetting model="pa" focal="50" aperture="22" distance="10" k1="-0.0992" k2="-0.1120" k3="0.0657"/>
            <vignetting model="pa" focal="50" aperture="22" distance="1000" k1="-0.0992" k2="-0.1120" k3="0.0657"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 50mm f/2.5 Compact Macro</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="50" a="-0.001" b="0.005" c="-0.005"/>
            <tca model="poly3" focal="50" br="-0.0000425" vr="1.0001506" bb="0.0000359" vb="0.9999281"/>
            <vignetting model="pa" focal="50" aperture="2.5" distance="0.23" k1="-0.6982" k2="0.0837" k3="-0.0305"/>
            <vignetting model="pa" focal="50" aperture="2.5" distance="0.46" k1="-1.2066" k2="0.8257" k3="-0.3049"/>
            <vignetting model="pa" focal="50" aperture="2.5" distance="1.37" k1="-1.3252" k2="0.9063" k3="-0.3164"/>
            <vignetting model="pa" focal="50" aperture="2.5" distance="1000" k1="-1.3711" k2="0.9375" k3="-0.3296"/>
            <vignetting model="pa" focal="50" aperture="3.5" distance="0.23" k1="-0.2222" k2="-0.0524" k3="-0.2153"/>
            <vignetting model="pa" focal="50" aperture="3.5" distance="0.46" k1="-0.2437" k2="-0.4646" k3="0.1905"/>
            <vignetting model="pa" focal="50" aperture="3.5" distance="1.37" k1="-0.2738" k2="-0.6700" k3="0.3646"/>
            <vignetting model="pa" focal="50" aperture="3.5" distance="1000" k1="-0.3168" k2="-0.6931" k3="0.3845"/>
            <vignetting model="pa" focal="50" aperture="5" distance="0.23" k1="-0.3879" k2="0.4443" k3="-0.4050"/>
            <vignetting model="pa" focal="50" aperture="5" distance="0.46" k1="-0.3559" k2="0.0898" k3="-0.0892"/>
            <vignetting model="pa" focal="50" aperture="5" distance="1.37" k1="-0.3718" k2="0.0574" k3="-0.1400"/>
            <vignetting model="pa" focal="50" aperture="5" distance="1000" k1="-0.3596" k2="-0.0458" k3="-0.1103"/>
            <vignetting model="pa" focal="50" aperture="7.1" distance="0.23" k1="-0.3150" k2="0.1166" k3="-0.0594"/>
            <vignetting model="pa" focal="50" aperture="7.1" distance="0.46" k1="-0.3419" k2="0.0294" k3="-0.0141"/>
            <vignetting model="pa" focal="50" aperture="7.1" distance="1.37" k1="-0.3826" k2="0.0693" k3="-0.0904"/>
            <vignetting model="pa" focal="50" aperture="7.1" distance="1000" k1="-0.4127" k2="0.1258" k3="-0.1755"/>
            <vignetting model="pa" focal="50" aperture="32" distance="0.23" k1="-0.2983" k2="0.0265" k3="0.0234"/>
            <vignetting model="pa" focal="50" aperture="32" distance="0.46" k1="-0.3484" k2="0.0165" k3="0.0069"/>
            <vignetting model="pa" focal="50" aperture="32" distance="1.37" k1="-0.3951" k2="0.0714" k3="-0.0690"/>
            <vignetting model="pa" focal="50" aperture="32" distance="1000" k1="-0.4207" k2="0.1087" k3="-0.1311"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon FDn 200mm 1:4</model>
        <mount>Canon FD</mount>
        <focal value="200"/>
        <aperture min="4" max="32"/>
        <cropfactor>1.534</cropfactor>
        <calibration>
            <!-- Taken with Sony 6000 (ILCE-6000) -->
            <distortion model="ptlens" focal="200" a="-0.002" b="0.013" c="-0.015"/>
            <tca model="poly3" focal="200" br="0.0000246" vr="0.9998495" bb="0.0000047" vb="0.9999254"/>
            <vignetting model="pa" focal="200" aperture="4" distance="10" k1="-0.7047" k2="0.7085" k3="-0.3430"/>
            <vignetting model="pa" focal="200" aperture="4" distance="1000" k1="-0.7047" k2="0.7085" k3="-0.3430"/>
            <vignetting model="pa" focal="200" aperture="5.6" distance="10" k1="-0.0931" k2="0.0384" k3="-0.0328"/>
            <vignetting model="pa" focal="200" aperture="5.6" distance="1000" k1="-0.0931" k2="0.0384" k3="-0.0328"/>
            <vignetting model="pa" focal="200" aperture="8" distance="10" k1="-0.0981" k2="0.0434" k3="-0.0273"/>
            <vignetting model="pa" focal="200" aperture="8" distance="1000" k1="-0.0981" k2="0.0434" k3="-0.0273"/>
            <vignetting model="pa" focal="200" aperture="11" distance="10" k1="-0.1057" k2="0.0641" k3="-0.0392"/>
            <vignetting model="pa" focal="200" aperture="11" distance="1000" k1="-0.1057" k2="0.0641" k3="-0.0392"/>
            <vignetting model="pa" focal="200" aperture="16" distance="10" k1="-0.1133" k2="0.0913" k3="-0.0606"/>
            <vignetting model="pa" focal="200" aperture="16" distance="1000" k1="-0.1133" k2="0.0913" k3="-0.0606"/>
            <vignetting model="pa" focal="200" aperture="32" distance="10" k1="-0.1152" k2="0.0984" k3="-0.0667"/>
            <vignetting model="pa" focal="200" aperture="32" distance="1000" k1="-0.1152" k2="0.0984" k3="-0.0667"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon FD 200mm f/2.8 S.S.C.</model>
        <mount>Canon FD</mount>
        <cropfactor>1.534</cropfactor>
        <calibration>
            <!-- Taken with Sony Alpha 6300 -->
            <distortion model="poly3" focal="200" k1="0.00162"/>
            <!-- TCA correction could probably be improved using a better copy of this lens -->
            <tca model="poly3" focal="200" br="-0.0000307" vr="0.9999312" bb="-0.0000125" vb="0.9999748"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 24mm f/2.8 IS USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1.613</cropfactor>
        <calibration>
            <!-- Taken with Canon EOS 100D -->
            <distortion model="poly3" focal="24" k1="-0.00591"/>
            <tca model="poly3" focal="24" vr="1.0004660" vb="0.9998842"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>EF-S18-55mm f/4-5.6 IS STM</model>
        <model lang="en">Canon EF-S 18-55mm f/4-5.6 IS STM</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.613</cropfactor>
        <calibration>
            <!-- Taken with Canon EOS 200D (REBEL SL2, Kiss X9) -->
            <distortion model="ptlens" focal="18" a="0.02902" b="-0.09036" c="0.05046"/>
            <distortion model="ptlens" focal="21" a="0.01029" b="-0.02863" c="0.00527"/>
            <distortion model="ptlens" focal="24" a="0.0077" b="-0.02034" c="0.01097"/>
            <distortion model="ptlens" focal="35" a="0.00212" b="0.0022" c="0.00277"/>
            <distortion model="ptlens" focal="43" a="0.00365" b="0.00127" c="0.00006"/>
            <distortion model="ptlens" focal="55" a="0.00202" b="0.00333" c="0.00486"/>
            <tca model="poly3" focal="18" vr="1.0004571" vb="1.0000234"/>
            <tca model="poly3" focal="21" vr="1.0004275" vb="1.0000163"/>
            <tca model="poly3" focal="24" vr="1.0004164" vb="0.9999815"/>
            <tca model="poly3" focal="35" vr="1.0002990" vb="0.9999459"/>
            <tca model="poly3" focal="43" vr="1.0000810" vb="0.9999898"/>
            <tca model="poly3" focal="55" vr="0.9999927" vb="1.0000311"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 24-105mm f/4L IS II USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1.0</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="24.0" a="0.017" b="-0.051" c="0.006"/>
            <distortion model="ptlens" focal="31.0" a="0.00389" b="-0.00768" c="0.00166"/>
            <distortion model="ptlens" focal="35.0" a="0.0048" b="-0.00636" c="0.00648"/>
            <distortion model="ptlens" focal="45.0" a="0.00013" b="0.0092" c="0.00362"/>
            <distortion model="ptlens" focal="50.0" a="0.00072" b="0.00632" c="0.01314"/>
            <distortion model="ptlens" focal="62.0" a="0.00554" b="-0.01037" c="0.02941"/>
            <distortion model="ptlens" focal="70.0" a="0.00423" b="-0.00573" c="0.02259"/>
            <distortion model="ptlens" focal="80.0" a="0.00169" b="-0.00118" c="0.02541"/>
            <distortion model="ptlens" focal="85.0" a="0.00427" b="-0.00669" c="0.02284"/>
            <distortion model="ptlens" focal="97.0" a="-0.00588" b="0.03155" c="-0.0227"/>
            <distortion model="ptlens" focal="105.0" a="-0.0051" b="0.02901" c="-0.02075"/>
            <tca model="poly3" focal="24.0" br="-0.0000002" vr="1.0003586" bb="0.0000148" vb="0.9999767"/>
            <tca model="poly3" focal="31.0" br="-0.0000472" vr="1.0003035" bb="-0.0000124" vb="1.0000303"/>
            <tca model="poly3" focal="35.0" br="0.0000704" vr="1.0001338" bb="-0.0000073" vb="1.0000306"/>
            <tca model="poly3" focal="45.0" br="-0.0000695" vr="1.0002026" bb="-0.0000070" vb="1.0000148"/>
            <tca model="poly3" focal="50.0" br="0.0000242" vr="0.9999822" bb="-0.0000139" vb="0.9999997"/>
            <tca model="poly3" focal="62.0" br="-0.0000060" vr="0.9999965" bb="0.0000185" vb="0.9999347"/>
            <tca model="poly3" focal="70.0" br="0.0000023" vr="0.9999879" bb="0.0002547" vb="0.9998678"/>
            <tca model="poly3" focal="80.0" br="0.0000026" vr="0.9999681" bb="-0.0000065" vb="0.9999569"/>
            <tca model="poly3" focal="85.0" br="-0.0000016" vr="0.9999736" bb="0.0000260" vb="0.9999381"/>
            <tca model="poly3" focal="97.0" br="0.0000439" vr="0.9998850" bb="-0.0000700" vb="0.9999947"/>
            <tca model="poly3" focal="105.0" br="0.0000431" vr="0.9998562" bb="-0.0000893" vb="0.9999943"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 24-105mm f/4L IS II USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1.605</cropfactor>
        <calibration>
            <!-- Taken with Canon EOS 7D Mark II -->
            <distortion model="ptlens" focal="24" a="0.00188" b="-0.00884" c="-0.00325"/>
            <distortion model="ptlens" focal="35" a="0.00107" b="-0.0002" c="0.00016"/>
            <distortion model="ptlens" focal="50" a="0.00062" b="0.00184" c="0.00406"/>
            <distortion model="ptlens" focal="70" a="0.00053" b="0.00185" c="0.0047"/>
            <distortion model="ptlens" focal="85" a="0" b="0.00434" c="0"/>
            <distortion model="ptlens" focal="105" a="0" b="0.00352" c="0"/>
            <tca model="poly3" focal="24" vr="1.0005030" vb="0.9999680"/>
            <tca model="poly3" focal="35" vr="1.0002470" vb="1.0000232"/>
            <tca model="poly3" focal="50" vr="1.0001016" vb="0.9999803"/>
            <tca model="poly3" focal="70" vr="0.9999769" vb="0.9998732"/>
            <tca model="poly3" focal="85" vr="0.9998491" vb="0.9998315"/>
            <tca model="poly3" focal="105" vr="0.9997316" vb="0.9998092"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 24mm f/1.4L II USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1.005</cropfactor>
        <calibration>
            <!-- Taken with EOS 6D -->
            <distortion model="ptlens" focal="24" a="0.01064" b="-0.02478" c="0.00314"/>
            <tca model="poly3" focal="24" vr="1.0002213" vb="1.0000311"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 22-55mm f/4-5.6 USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1.613</cropfactor>
        <calibration>
            <!-- Taken with EOS 750D -->
            <distortion model="ptlens" focal="22" a="0.00117" b="-0.01071" c="-0.00445"/>
            <distortion model="ptlens" focal="25" a="0.0041" b="-0.01879" c="0.01245"/>
            <distortion model="ptlens" focal="33" a="0.0043" b="-0.01662" c="0.01769"/>
            <distortion model="ptlens" focal="40" a="0.00022" b="0.00019" c="0.00202"/>
            <distortion model="ptlens" focal="55" a="0.00388" b="-0.01017" c="0.01684"/>
            <tca model="poly3" focal="22" vr="1.0006310" vb="0.9998847"/>
            <tca model="poly3" focal="25" vr="1.0005335" vb="0.9999062"/>
            <tca model="poly3" focal="33" vr="1.0003946" vb="0.9999238"/>
            <tca model="poly3" focal="40" vr="1.0003361" vb="0.9999422"/>
            <tca model="poly3" focal="55" vr="1.0001506" vb="0.9999685"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon FD 50mm f/1.4 S.C.C.</model>
        <mount>Canon FD</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <!-- Taken with Sony ILCE-7RM2 and Canon FD to Sony E adapter -->
            <distortion model="poly3" focal="50" k1="-0.00341"/>
            <vignetting model="pa" focal="50" aperture="1.4" distance="10" k1="-1.6342" k2="1.3519" k3="-0.5462"/>
            <vignetting model="pa" focal="50" aperture="1.4" distance="1000" k1="-1.6342" k2="1.3519" k3="-0.5462"/>
            <vignetting model="pa" focal="50" aperture="2" distance="10" k1="0.1790" k2="-1.6048" k3="0.7748"/>
            <vignetting model="pa" focal="50" aperture="2" distance="1000" k1="0.1790" k2="-1.6048" k3="0.7748"/>
            <vignetting model="pa" focal="50" aperture="2.8" distance="10" k1="-0.0107" k2="-0.3201" k3="-0.1473"/>
            <vignetting model="pa" focal="50" aperture="2.8" distance="1000" k1="-0.0107" k2="-0.3201" k3="-0.1473"/>
            <vignetting model="pa" focal="50" aperture="4" distance="10" k1="-0.1885" k2="0.1790" k3="-0.3443"/>
            <vignetting model="pa" focal="50" aperture="4" distance="1000" k1="-0.1885" k2="0.1790" k3="-0.3443"/>
            <vignetting model="pa" focal="50" aperture="5.6" distance="10" k1="-0.0964" k2="-0.2476" k3="0.1047"/>
            <vignetting model="pa" focal="50" aperture="5.6" distance="1000" k1="-0.0964" k2="-0.2476" k3="0.1047"/>
            <vignetting model="pa" focal="50" aperture="16" distance="10" k1="-0.0958" k2="-0.2781" k3="0.1486"/>
            <vignetting model="pa" focal="50" aperture="16" distance="1000" k1="-0.0958" k2="-0.2781" k3="0.1486"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 15mm f/2.8 Fisheye</model>
        <mount>Canon EF</mount>
        <cropfactor>1.0</cropfactor>
        <!--     <type>fisheye</type> Comment: Not known? Test fail with this included! -->
        <calibration>
            <distortion model="ptlens" focal="15.0" a="-0.04365" b="0.1222" c="-0.16052"/>
            <tca model="poly3" focal="15.0" br="-0.0000826" vr="1.0005883" bb="0.0000227" vb="1.0001173"/>
            <vignetting model="pa" focal="15.0" aperture="2.8" distance="1000" k1="-0.72067" k2="0.32375" k3="-0.26718"/>
            <vignetting model="pa" focal="15.0" aperture="4.0" distance="1000" k1="-0.02941" k2="-0.10277" k3="-0.36802"/>
            <vignetting model="pa" focal="15.0" aperture="5.6" distance="1000" k1="-0.0141" k2="-0.1944" k3="0.05395"/>
            <vignetting model="pa" focal="15.0" aperture="8.0" distance="1000" k1="-0.14739" k2="0.04779" k3="-0.04192"/>
            <vignetting model="pa" focal="15.0" aperture="22.0" distance="1000" k1="-0.14984" k2="-0.04005" k3="0.02753"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 24-105mm f/3.5-5.6 IS STM</model>
        <mount>Canon EF</mount>
        <cropfactor>1.0</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="24.0" a="0.0257" b="-0.07729" c="0.04077"/>
            <distortion model="ptlens" focal="28.0" a="0.02199" b="-0.06803" c="0.05148"/>
            <distortion model="ptlens" focal="35.0" a="0.02313" b="-0.06839" c="0.06614"/>
            <distortion model="ptlens" focal="50.0" a="0.00564" b="-0.01278" c="0.02271"/>
            <distortion model="ptlens" focal="70.0" a="-0.00831" b="0.04241" c="-0.04789"/>
            <distortion model="ptlens" focal="85.0" a="-0.00507" b="0.02459" c="-0.01782"/>
            <distortion model="ptlens" focal="105.0" a="0.00013" b="0.01078" c="-0.0072"/>
            <tca model="poly3" focal="24.0" br="-0.0000786" vr="1.0003641" bb="0.0000297" vb="1.0000970"/>
            <tca model="poly3" focal="28.0" br="-0.0000578" vr="1.0002676" bb="0.0000036" vb="1.0001516"/>
            <tca model="poly3" focal="35.0" br="-0.0000339" vr="1.0001428" bb="0.0000065" vb="1.0001318"/>
            <tca model="poly3" focal="50.0" br="-0.0000441" vr="0.9999703" bb="0.0000091" vb="1.0001783"/>
            <tca model="poly3" focal="70.0" br="-0.0000344" vr="0.9998269" bb="-0.0000058" vb="1.0001971"/>
            <tca model="poly3" focal="85.0" br="0.0000126" vr="0.9997600" bb="0.0000135" vb="1.0000052"/>
            <tca model="poly3" focal="105.0" br="-0.0000339" vr="0.9998104" bb="-0.0000368" vb="0.9999259"/>
            <vignetting model="pa" focal="24.0" aperture="3.5" distance="10" k1="-1.1274627" k2="0.9368143" k3="-0.5588349"/>
            <vignetting model="pa" focal="24.0" aperture="3.5" distance="1000" k1="-1.1274627" k2="0.9368143" k3="-0.5588349"/>
            <vignetting model="pa" focal="24.0" aperture="4.0" distance="10" k1="-0.5072705" k2="-0.2691797" k3="0.0958969"/>
            <vignetting model="pa" focal="24.0" aperture="4.0" distance="1000" k1="-0.5072705" k2="-0.2691797" k3="0.0958969"/>
            <vignetting model="pa" focal="24.0" aperture="5.6" distance="10" k1="-0.2665004" k2="0.0541184" k3="-0.3109703"/>
            <vignetting model="pa" focal="24.0" aperture="5.6" distance="1000" k1="-0.2665004" k2="0.0541184" k3="-0.3109703"/>
            <vignetting model="pa" focal="24.0" aperture="8.0" distance="10" k1="-0.3681463" k2="0.3710945" k3="-0.4473047"/>
            <vignetting model="pa" focal="24.0" aperture="8.0" distance="1000" k1="-0.3681463" k2="0.3710945" k3="-0.4473047"/>
            <vignetting model="pa" focal="24.0" aperture="11.0" distance="10" k1="-0.3439416" k2="0.1651703" k3="-0.2066051"/>
            <vignetting model="pa" focal="24.0" aperture="11.0" distance="1000" k1="-0.3439416" k2="0.1651703" k3="-0.2066051"/>
            <vignetting model="pa" focal="24.0" aperture="22.0" distance="10" k1="-0.3096923" k2="-0.0016590" k3="-0.0493203"/>
            <vignetting model="pa" focal="24.0" aperture="22.0" distance="1000" k1="-0.3096923" k2="-0.0016590" k3="-0.0493203"/>
            <vignetting model="pa" focal="28.0" aperture="4.0" distance="10" k1="-1.0591616" k2="0.8745539" k3="-0.4163130"/>
            <vignetting model="pa" focal="28.0" aperture="4.0" distance="1000" k1="-1.0591616" k2="0.8745539" k3="-0.4163130"/>
            <vignetting model="pa" focal="28.0" aperture="5.6" distance="10" k1="-0.3363776" k2="0.2682731" k3="-0.2906290"/>
            <vignetting model="pa" focal="28.0" aperture="5.6" distance="1000" k1="-0.3363776" k2="0.2682731" k3="-0.2906290"/>
            <vignetting model="pa" focal="28.0" aperture="8.0" distance="10" k1="-0.2655153" k2="-0.0162097" k3="-0.0016545"/>
            <vignetting model="pa" focal="28.0" aperture="8.0" distance="1000" k1="-0.2655153" k2="-0.0162097" k3="-0.0016545"/>
            <vignetting model="pa" focal="28.0" aperture="11.0" distance="10" k1="-0.2756392" k2="-0.0106564" k3="-0.0012380"/>
            <vignetting model="pa" focal="28.0" aperture="11.0" distance="1000" k1="-0.2756392" k2="-0.0106564" k3="-0.0012380"/>
            <vignetting model="pa" focal="28.0" aperture="22.0" distance="10" k1="-0.2775118" k2="-0.0121798" k3="0.0055111"/>
            <vignetting model="pa" focal="28.0" aperture="22.0" distance="1000" k1="-0.2775118" k2="-0.0121798" k3="0.0055111"/>
            <vignetting model="pa" focal="35.0" aperture="4.0" distance="10" k1="-0.9288747" k2="0.6471603" k3="-0.2344841"/>
            <vignetting model="pa" focal="35.0" aperture="4.0" distance="1000" k1="-0.9288747" k2="0.6471603" k3="-0.2344841"/>
            <vignetting model="pa" focal="35.0" aperture="5.6" distance="10" k1="-0.2696392" k2="0.0983698" k3="-0.1118624"/>
            <vignetting model="pa" focal="35.0" aperture="5.6" distance="1000" k1="-0.2696392" k2="0.0983698" k3="-0.1118624"/>
            <vignetting model="pa" focal="35.0" aperture="8.0" distance="10" k1="-0.2385875" k2="0.0146715" k3="-0.0048695"/>
            <vignetting model="pa" focal="35.0" aperture="8.0" distance="1000" k1="-0.2385875" k2="0.0146715" k3="-0.0048695"/>
            <vignetting model="pa" focal="35.0" aperture="11.0" distance="10" k1="-0.2581632" k2="0.0265210" k3="-0.0052338"/>
            <vignetting model="pa" focal="35.0" aperture="11.0" distance="1000" k1="-0.2581632" k2="0.0265210" k3="-0.0052338"/>
            <vignetting model="pa" focal="35.0" aperture="25.0" distance="10" k1="-0.2480186" k2="0.0218361" k3="-0.0026513"/>
            <vignetting model="pa" focal="35.0" aperture="25.0" distance="1000" k1="-0.2480186" k2="0.0218361" k3="-0.0026513"/>
            <vignetting model="pa" focal="50.0" aperture="5.0" distance="10" k1="-0.6498421" k2="0.3067706" k3="-0.0734933"/>
            <vignetting model="pa" focal="50.0" aperture="5.0" distance="1000" k1="-0.6498421" k2="0.3067706" k3="-0.0734933"/>
            <vignetting model="pa" focal="50.0" aperture="5.6" distance="10" k1="-0.1217219" k2="-0.2498082" k3="0.1072988"/>
            <vignetting model="pa" focal="50.0" aperture="5.6" distance="1000" k1="-0.1217219" k2="-0.2498082" k3="0.1072988"/>
            <vignetting model="pa" focal="50.0" aperture="8.0" distance="10" k1="-0.2032251" k2="0.0488431" k3="-0.0198668"/>
            <vignetting model="pa" focal="50.0" aperture="8.0" distance="1000" k1="-0.2032251" k2="0.0488431" k3="-0.0198668"/>
            <vignetting model="pa" focal="50.0" aperture="11.0" distance="10" k1="-0.1991602" k2="0.0389598" k3="-0.0048326"/>
            <vignetting model="pa" focal="50.0" aperture="11.0" distance="1000" k1="-0.1991602" k2="0.0389598" k3="-0.0048326"/>
            <vignetting model="pa" focal="50.0" aperture="16.0" distance="10" k1="-0.2051348" k2="0.0591116" k3="-0.0201088"/>
            <vignetting model="pa" focal="50.0" aperture="16.0" distance="1000" k1="-0.2051348" k2="0.0591116" k3="-0.0201088"/>
            <vignetting model="pa" focal="50.0" aperture="29.0" distance="10" k1="-0.2516548" k2="0.0978846" k3="-0.0341510"/>
            <vignetting model="pa" focal="50.0" aperture="29.0" distance="1000" k1="-0.2516548" k2="0.0978846" k3="-0.0341510"/>
            <vignetting model="pa" focal="70.0" aperture="5.6" distance="10" k1="-0.5367619" k2="0.2035104" k3="-0.0244206"/>
            <vignetting model="pa" focal="70.0" aperture="5.6" distance="1000" k1="-0.5367619" k2="0.2035104" k3="-0.0244206"/>
            <vignetting model="pa" focal="70.0" aperture="8.0" distance="10" k1="-0.1643776" k2="0.0472986" k3="-0.0229854"/>
            <vignetting model="pa" focal="70.0" aperture="8.0" distance="1000" k1="-0.1643776" k2="0.0472986" k3="-0.0229854"/>
            <vignetting model="pa" focal="70.0" aperture="11.0" distance="10" k1="-0.1671412" k2="0.0489879" k3="-0.0208164"/>
            <vignetting model="pa" focal="70.0" aperture="11.0" distance="1000" k1="-0.1671412" k2="0.0489879" k3="-0.0208164"/>
            <vignetting model="pa" focal="70.0" aperture="16.0" distance="10" k1="-0.1732779" k2="0.0528308" k3="-0.0109641"/>
            <vignetting model="pa" focal="70.0" aperture="16.0" distance="1000" k1="-0.1732779" k2="0.0528308" k3="-0.0109641"/>
            <vignetting model="pa" focal="70.0" aperture="32.0" distance="10" k1="-0.1905691" k2="0.0922330" k3="-0.0433010"/>
            <vignetting model="pa" focal="70.0" aperture="32.0" distance="1000" k1="-0.1905691" k2="0.0922330" k3="-0.0433010"/>
            <vignetting model="pa" focal="85.0" aperture="5.6" distance="10" k1="-0.4640814" k2="0.1170015" k3="0.0176258"/>
            <vignetting model="pa" focal="85.0" aperture="5.6" distance="1000" k1="-0.4640814" k2="0.1170015" k3="0.0176258"/>
            <vignetting model="pa" focal="85.0" aperture="8.0" distance="10" k1="-0.1450206" k2="0.0121170" k3="0.0159184"/>
            <vignetting model="pa" focal="85.0" aperture="8.0" distance="1000" k1="-0.1450206" k2="0.0121170" k3="0.0159184"/>
            <vignetting model="pa" focal="85.0" aperture="11.0" distance="10" k1="-0.1538638" k2="0.0312088" k3="0.0041486"/>
            <vignetting model="pa" focal="85.0" aperture="11.0" distance="1000" k1="-0.1538638" k2="0.0312088" k3="0.0041486"/>
            <vignetting model="pa" focal="85.0" aperture="16.0" distance="10" k1="-0.1603667" k2="0.0555580" k3="-0.0246136"/>
            <vignetting model="pa" focal="85.0" aperture="16.0" distance="1000" k1="-0.1603667" k2="0.0555580" k3="-0.0246136"/>
            <vignetting model="pa" focal="85.0" aperture="36.0" distance="10" k1="-0.1816710" k2="0.1021317" k3="-0.0556872"/>
            <vignetting model="pa" focal="85.0" aperture="36.0" distance="1000" k1="-0.1816710" k2="0.1021317" k3="-0.0556872"/>
            <vignetting model="pa" focal="105.0" aperture="5.6" distance="10" k1="-0.5870856" k2="0.5597820" k3="-0.4109252"/>
            <vignetting model="pa" focal="105.0" aperture="5.6" distance="1000" k1="-0.5870856" k2="0.5597820" k3="-0.4109252"/>
            <vignetting model="pa" focal="105.0" aperture="8.0" distance="10" k1="-0.2271781" k2="0.4073459" k3="-0.3925965"/>
            <vignetting model="pa" focal="105.0" aperture="8.0" distance="1000" k1="-0.2271781" k2="0.4073459" k3="-0.3925965"/>
            <vignetting model="pa" focal="105.0" aperture="11.0" distance="10" k1="-0.1549344" k2="0.0702206" k3="-0.0427035"/>
            <vignetting model="pa" focal="105.0" aperture="11.0" distance="1000" k1="-0.1549344" k2="0.0702206" k3="-0.0427035"/>
            <vignetting model="pa" focal="105.0" aperture="16.0" distance="10" k1="-0.1444722" k2="0.0413048" k3="-0.0205577"/>
            <vignetting model="pa" focal="105.0" aperture="16.0" distance="1000" k1="-0.1444722" k2="0.0413048" k3="-0.0205577"/>
            <vignetting model="pa" focal="105.0" aperture="36.0" distance="10" k1="-0.1644096" k2="0.0400586" k3="-0.0001482"/>
            <vignetting model="pa" focal="105.0" aperture="36.0" distance="1000" k1="-0.1644096" k2="0.0400586" k3="-0.0001482"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 85mm f/1.4L IS USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="85" a="0.00984" b="-0.0325" c="0.0316"/>
            <tca model="poly3" focal="85" vr="0.9999438" vb="0.9999330"/>
            <vignetting model="pa" focal="85" aperture="1.4" distance="0.82" k1="-0.9887" k2="0.4351" k3="-0.0999"/>
            <vignetting model="pa" focal="85" aperture="1.4" distance="1000" k1="-1.7322" k2="1.9890" k3="-0.9769"/>
            <vignetting model="pa" focal="85" aperture="2" distance="0.82" k1="-0.3390" k2="-0.4837" k3="0.2649"/>
            <vignetting model="pa" focal="85" aperture="2" distance="1000" k1="-0.1081" k2="-0.7373" k3="0.3207"/>
            <vignetting model="pa" focal="85" aperture="2.8" distance="0.82" k1="-0.1632" k2="-0.0064" k3="-0.1020"/>
            <vignetting model="pa" focal="85" aperture="2.8" distance="1000" k1="-0.2329" k2="0.2155" k3="-0.2195"/>
            <vignetting model="pa" focal="85" aperture="4" distance="0.82" k1="-0.1630" k2="-0.0642" k3="0.0719"/>
            <vignetting model="pa" focal="85" aperture="4" distance="1000" k1="-0.1788" k2="-0.0109" k3="0.0257"/>
            <vignetting model="pa" focal="85" aperture="5.6" distance="0.82" k1="-0.1758" k2="-0.0341" k3="0.0537"/>
            <vignetting model="pa" focal="85" aperture="5.6" distance="1000" k1="-0.1729" k2="-0.0278" k3="0.0383"/>
            <vignetting model="pa" focal="85" aperture="8" distance="0.82" k1="-0.1860" k2="-0.0102" k3="0.0389"/>
            <vignetting model="pa" focal="85" aperture="8" distance="1000" k1="-0.1757" k2="-0.0264" k3="0.0397"/>
            <vignetting model="pa" focal="85" aperture="11" distance="0.82" k1="-0.1906" k2="-0.0003" k3="0.0326"/>
            <vignetting model="pa" focal="85" aperture="11" distance="1000" k1="-0.1837" k2="-0.0167" k3="0.0386"/>
            <vignetting model="pa" focal="85" aperture="16" distance="0.82" k1="-0.1938" k2="0.0049" k3="0.0298"/>
            <vignetting model="pa" focal="85" aperture="16" distance="1000" k1="-0.1875" k2="-0.0153" k3="0.0411"/>
            <vignetting model="pa" focal="85" aperture="22" distance="0.82" k1="-0.2004" k2="0.0110" k3="0.0283"/>
            <vignetting model="pa" focal="85" aperture="22" distance="1000" k1="-0.2080" k2="0.0264" k3="0.0175"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 80-200mm f/4.5-5.6</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="80" a="-0.00011802003223145561" b="0.002516324254263835" c="-0.0012184478941118092"/>
            <distortion model="ptlens" focal="97" a="0.0013917486783894314" b="0.002650626918119904" c="0.0021850429497980365"/>
            <distortion model="ptlens" focal="117" a="0.0027314133850260187" b="-0.0012769498560744543" c="0.010406865327422504"/>
            <distortion model="ptlens" focal="135" a="0.0049010782727469115" b="-0.006912857279508826" c="0.019940770866660563"/>
            <distortion model="ptlens" focal="158" a="0.012747837429020682" b="-0.03627570457869731" c="0.05652836036791503"/>
            <distortion model="ptlens" focal="200" a="0.0029346719504729736" b="0.0062413182128678" c="-0.0019837179475394166"/>
            <tca model="poly3" focal="80" vr="1.0000689" vb="0.9999596"/>
            <tca model="poly3" focal="97" vr="1.0000410" vb="0.9998543"/>
            <tca model="poly3" focal="117" vr="1.0000111" vb="0.9997444"/>
            <tca model="poly3" focal="135" vr="0.9999841" vb="0.9997311"/>
            <tca model="poly3" focal="158" vr="0.9999672" vb="0.9996445"/>
            <tca model="poly3" focal="200" vr="0.9999687" vb="0.9996618"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 28mm f/2.8</model>
        <mount>Canon EF</mount>
        <cropfactor>1.0</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="28.0" a="0.014" b="-0.035" c="0.003"/>
            <tca model="poly3" focal="28.0" br="-0.0002140" vr="1.0006862" bb="0.0001729" vb="0.9997259"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 75-300mm F4-5.6 III</model>
        <mount>Canon EF-S</mount>
        <cropfactor>1.613</cropfactor>
        <calibration>
            <!-- Taken with Canon EOS 60D -->
            <distortion model="ptlens" focal="75" a="0.00119223" b="-0.00212175" c="-0.00234588"/>
            <distortion model="ptlens" focal="100" a="0.00444223" b="-0.0153225" c="0.0204952"/>
            <distortion model="ptlens" focal="135" a="-0.0109272" b="0.0440301" c="-0.0534151"/>
            <distortion model="ptlens" focal="205" a="0.00633292" b="-0.0181779" c="0.0213618"/>
            <distortion model="ptlens" focal="300" a="0.00469661" b="-0.00857601" c="0.0111235"/>
            <tca model="poly3" focal="75" vr="1.0001438" vb="0.9999685"/>
            <tca model="poly3" focal="100" vr="1.0000647" vb="0.9998970"/>
            <tca model="poly3" focal="135" vr="1.0000169" vb="0.9997886"/>
            <tca model="poly3" focal="140" vr="1.0000107" vb="0.9997911"/>
            <tca model="poly3" focal="210" vr="0.9999527" vb="0.9997259"/>
            <tca model="poly3" focal="300" vr="0.9998708" vb="0.9998376"/>
            <vignetting model="pa" focal="75" aperture="4" distance="10" k1="-0.3807" k2="0.0076" k3="0.0397"/>
            <vignetting model="pa" focal="75" aperture="4" distance="1000" k1="-0.3807" k2="0.0076" k3="0.0397"/>
            <vignetting model="pa" focal="75" aperture="5.6" distance="10" k1="-0.0942" k2="-0.0975" k3="0.0747"/>
            <vignetting model="pa" focal="75" aperture="5.6" distance="1000" k1="-0.0942" k2="-0.0975" k3="0.0747"/>
            <vignetting model="pa" focal="75" aperture="8" distance="10" k1="-0.1189" k2="-0.0360" k3="0.0268"/>
            <vignetting model="pa" focal="75" aperture="8" distance="1000" k1="-0.1189" k2="-0.0360" k3="0.0268"/>
            <vignetting model="pa" focal="75" aperture="11" distance="10" k1="-0.1193" k2="-0.0386" k3="0.0323"/>
            <vignetting model="pa" focal="75" aperture="11" distance="1000" k1="-0.1193" k2="-0.0386" k3="0.0323"/>
            <vignetting model="pa" focal="75" aperture="32" distance="10" k1="-0.1417" k2="-0.0117" k3="0.0271"/>
            <vignetting model="pa" focal="75" aperture="32" distance="1000" k1="-0.1417" k2="-0.0117" k3="0.0271"/>
            <vignetting model="pa" focal="105" aperture="4" distance="10" k1="-0.2478" k2="-0.2086" k3="0.1635"/>
            <vignetting model="pa" focal="105" aperture="4" distance="1000" k1="-0.2478" k2="-0.2086" k3="0.1635"/>
            <vignetting model="pa" focal="105" aperture="5.6" distance="10" k1="-0.0744" k2="-0.0475" k3="0.0235"/>
            <vignetting model="pa" focal="105" aperture="5.6" distance="1000" k1="-0.0744" k2="-0.0475" k3="0.0235"/>
            <vignetting model="pa" focal="105" aperture="8" distance="10" k1="-0.0813" k2="-0.0385" k3="0.0261"/>
            <vignetting model="pa" focal="105" aperture="8" distance="1000" k1="-0.0813" k2="-0.0385" k3="0.0261"/>
            <vignetting model="pa" focal="105" aperture="11" distance="10" k1="-0.0805" k2="-0.0396" k3="0.0254"/>
            <vignetting model="pa" focal="105" aperture="11" distance="1000" k1="-0.0805" k2="-0.0396" k3="0.0254"/>
            <vignetting model="pa" focal="105" aperture="32" distance="10" k1="-0.1092" k2="-0.0020" k3="0.0163"/>
            <vignetting model="pa" focal="105" aperture="32" distance="1000" k1="-0.1092" k2="-0.0020" k3="0.0163"/>
            <vignetting model="pa" focal="140" aperture="4.5" distance="10" k1="-0.0427" k2="-0.4669" k3="0.2858"/>
            <vignetting model="pa" focal="140" aperture="4.5" distance="1000" k1="-0.0427" k2="-0.4669" k3="0.2858"/>
            <vignetting model="pa" focal="140" aperture="6.7" distance="10" k1="-0.0533" k2="-0.0478" k3="0.0287"/>
            <vignetting model="pa" focal="140" aperture="6.7" distance="1000" k1="-0.0533" k2="-0.0478" k3="0.0287"/>
            <vignetting model="pa" focal="140" aperture="9.5" distance="10" k1="-0.0512" k2="-0.0407" k3="0.0233"/>
            <vignetting model="pa" focal="140" aperture="9.5" distance="1000" k1="-0.0512" k2="-0.0407" k3="0.0233"/>
            <vignetting model="pa" focal="140" aperture="13" distance="10" k1="-0.0346" k2="-0.0820" k3="0.0506"/>
            <vignetting model="pa" focal="140" aperture="13" distance="1000" k1="-0.0346" k2="-0.0820" k3="0.0506"/>
            <vignetting model="pa" focal="140" aperture="38" distance="10" k1="-0.0404" k2="-0.0506" k3="0.0232"/>
            <vignetting model="pa" focal="140" aperture="38" distance="1000" k1="-0.0404" k2="-0.0506" k3="0.0232"/>
            <vignetting model="pa" focal="205" aperture="4.5" distance="10" k1="0.0334" k2="-0.4555" k3="0.2063"/>
            <vignetting model="pa" focal="205" aperture="4.5" distance="1000" k1="0.0334" k2="-0.4555" k3="0.2063"/>
            <vignetting model="pa" focal="205" aperture="6.7" distance="10" k1="-0.0478" k2="-0.0046" k3="-0.0167"/>
            <vignetting model="pa" focal="205" aperture="6.7" distance="1000" k1="-0.0478" k2="-0.0046" k3="-0.0167"/>
            <vignetting model="pa" focal="205" aperture="9.5" distance="10" k1="-0.0430" k2="-0.0354" k3="0.0187"/>
            <vignetting model="pa" focal="205" aperture="9.5" distance="1000" k1="-0.0430" k2="-0.0354" k3="0.0187"/>
            <vignetting model="pa" focal="205" aperture="13" distance="10" k1="-0.0439" k2="-0.0333" k3="0.0205"/>
            <vignetting model="pa" focal="205" aperture="13" distance="1000" k1="-0.0439" k2="-0.0333" k3="0.0205"/>
            <vignetting model="pa" focal="205" aperture="38" distance="10" k1="-0.0546" k2="0.0101" k3="-0.0112"/>
            <vignetting model="pa" focal="205" aperture="38" distance="1000" k1="-0.0546" k2="0.0101" k3="-0.0112"/>
            <vignetting model="pa" focal="300" aperture="5.6" distance="10" k1="-0.5180" k2="0.4017" k3="-0.1583"/>
            <vignetting model="pa" focal="300" aperture="5.6" distance="1000" k1="-0.5180" k2="0.4017" k3="-0.1583"/>
            <vignetting model="pa" focal="300" aperture="8" distance="10" k1="-0.0192" k2="-0.0944" k3="0.0053"/>
            <vignetting model="pa" focal="300" aperture="8" distance="1000" k1="-0.0192" k2="-0.0944" k3="0.0053"/>
            <vignetting model="pa" focal="300" aperture="11" distance="10" k1="-0.0432" k2="-0.0362" k3="0.0197"/>
            <vignetting model="pa" focal="300" aperture="11" distance="1000" k1="-0.0432" k2="-0.0362" k3="0.0197"/>
            <vignetting model="pa" focal="300" aperture="16" distance="10" k1="-0.0448" k2="-0.0348" k3="0.0220"/>
            <vignetting model="pa" focal="300" aperture="16" distance="1000" k1="-0.0448" k2="-0.0348" k3="0.0220"/>
            <vignetting model="pa" focal="300" aperture="45" distance="10" k1="-0.0904" k2="0.0680" k3="-0.0384"/>
            <vignetting model="pa" focal="300" aperture="45" distance="1000" k1="-0.0904" k2="0.0680" k3="-0.0384"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 70-210mm f/4</model>
        <mount>Canon EF</mount>
        <cropfactor>1.005</cropfactor>
        <calibration>
            <!-- Taken with Canon EOS 6D -->
            <distortion model="ptlens" focal="70.0" a="-0.00068" b="-0.00641" c="-0.00544"/>
            <distortion model="ptlens" focal="80.0" a="-0.00105" b="-0.00126" c="-0.00788"/>
            <distortion model="ptlens" focal="90.0" a="-0.00133" b="0.00295" c="-0.00899"/>
            <distortion model="ptlens" focal="100.0" a="0.00495" b="-0.01801" c="0.01895"/>
            <distortion model="ptlens" focal="107.0" a="-0.00107" b="0.00715" c="-0.00747"/>
            <distortion model="ptlens" focal="130.0" a="0.00509" b="-0.01152" c="0.01598"/>
            <distortion model="ptlens" focal="150.0" a="0.00349" b="-0.00512" c="0.01273"/>
            <distortion model="ptlens" focal="180.0" a="-0.00171" b="0.01933" c="-0.01761"/>
            <distortion model="ptlens" focal="210.0" a="0.001" b="0.00947" c="-0.00286"/>
            <tca model="poly3" focal="70.0" br="-0.0000295" vr="1.0002632" bb="0.0000676" vb="0.9998352"/>
            <tca model="poly3" focal="75.0" br="-0.0000229" vr="1.0002196" bb="0.0000746" vb="0.9998341"/>
            <tca model="poly3" focal="80.0" br="-0.0000405" vr="1.0001947" bb="0.0000824" vb="0.9998214"/>
            <tca model="poly3" focal="85.0" br="-0.0000474" vr="1.0001642" bb="0.0000592" vb="0.9998895"/>
            <tca model="poly3" focal="90.0" br="-0.0000445" vr="1.0001235" bb="0.0000408" vb="0.9999117"/>
            <tca model="poly3" focal="95.0" br="-0.0000363" vr="1.0000948" bb="0.0000333" vb="0.9999254"/>
            <tca model="poly3" focal="100.0" br="-0.0000133" vr="1.0000270" bb="0.0000059" vb="0.9999688"/>
            <tca model="poly3" focal="107.0" br="-0.0000127" vr="1.0000064" bb="0.0000038" vb="0.9999714"/>
            <tca model="poly3" focal="115.0" br="-0.0000230" vr="1.0000132" bb="0.0000101" vb="0.9999641"/>
            <tca model="poly3" focal="120.0" br="-0.0000143" vr="0.9999722" bb="0.0000105" vb="0.9999469"/>
            <tca model="poly3" focal="125.0" br="0.0000017" vr="0.9999421" bb="-0.0000026" vb="0.9999609"/>
            <tca model="poly3" focal="130.0" br="-0.0000251" vr="0.9999650" bb="0.0000157" vb="0.9999195"/>
            <tca model="poly3" focal="135.0" br="-0.0000213" vr="0.9999400" bb="0.0000205" vb="0.9998972"/>
            <tca model="poly3" focal="140.0" br="-0.0000080" vr="0.9998930" bb="0.0000188" vb="0.9998881"/>
            <tca model="poly3" focal="145.0" br="0.0000061" vr="0.9998687" bb="0.0000028" vb="0.9999244"/>
            <tca model="poly3" focal="150.0" br="-0.0000114" vr="0.9998789" bb="0.0000123" vb="0.9998845"/>
            <tca model="poly3" focal="157.0" br="-0.0000201" vr="0.9998766" bb="-0.0000026" vb="0.9999089"/>
            <tca model="poly3" focal="165.0" br="-0.0000003" vr="0.9998072" bb="0.0000002" vb="0.9999137"/>
            <tca model="poly3" focal="170.0" br="-0.0000597" vr="0.9998751" bb="0.0000058" vb="0.9998743"/>
            <tca model="poly3" focal="173.0" br="-0.0000950" vr="0.9999055" bb="-0.0000036" vb="0.9999043"/>
            <tca model="poly3" focal="177.0" br="-0.0000734" vr="0.9998698" bb="0.0000052" vb="0.9999285"/>
            <tca model="poly3" focal="180.0" br="-0.0000851" vr="0.9998654" bb="-0.0000072" vb="0.9999201"/>
            <tca model="poly3" focal="185.0" br="-0.0000752" vr="0.9998572" bb="0.0000098" vb="0.9998898"/>
            <tca model="poly3" focal="188.0" br="-0.0000784" vr="0.9998620" bb="0.0000190" vb="0.9998630"/>
            <tca model="poly3" focal="190.0" br="-0.0000608" vr="0.9998224" bb="0.0000170" vb="0.9998835"/>
            <tca model="poly3" focal="195.0" br="-0.0000594" vr="0.9998107" bb="0.0000243" vb="0.9998681"/>
            <tca model="poly3" focal="200.0" br="-0.0000856" vr="0.9998473" bb="0.0000203" vb="0.9999232"/>
            <tca model="poly3" focal="202.0" br="-0.0000909" vr="0.9998433" bb="0.0000087" vb="0.9998795"/>
            <tca model="poly3" focal="205.0" br="-0.0000640" vr="0.9997688" bb="-0.0000096" vb="0.9999921"/>
            <tca model="poly3" focal="210.0" br="-0.0000688" vr="0.9998183" bb="-0.0000057" vb="0.9998938"/>
            <vignetting model="pa" focal="70.0" aperture="4.0" distance="10" k1="-0.8712469" k2="0.9036676" k3="-0.5288232"/>
            <vignetting model="pa" focal="70.0" aperture="4.0" distance="1000" k1="-0.8712469" k2="0.9036676" k3="-0.5288232"/>
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            <vignetting model="pa" focal="160.0" aperture="8.0" distance="1000" k1="-0.1539022" k2="0.2426218" k3="-0.3590858"/>
            <vignetting model="pa" focal="160.0" aperture="9.0" distance="10" k1="-0.2391746" k2="0.5219096" k3="-0.5090077"/>
            <vignetting model="pa" focal="160.0" aperture="9.0" distance="1000" k1="-0.2391746" k2="0.5219096" k3="-0.5090077"/>
            <vignetting model="pa" focal="160.0" aperture="10.0" distance="10" k1="-0.2490637" k2="0.5424183" k3="-0.4724349"/>
            <vignetting model="pa" focal="160.0" aperture="10.0" distance="1000" k1="-0.2490637" k2="0.5424183" k3="-0.4724349"/>
            <vignetting model="pa" focal="160.0" aperture="11.0" distance="10" k1="-0.2520664" k2="0.4974860" k3="-0.3878296"/>
            <vignetting model="pa" focal="160.0" aperture="11.0" distance="1000" k1="-0.2520664" k2="0.4974860" k3="-0.3878296"/>
            <vignetting model="pa" focal="160.0" aperture="13.0" distance="10" k1="-0.2048938" k2="0.2987965" k3="-0.1966999"/>
            <vignetting model="pa" focal="160.0" aperture="13.0" distance="1000" k1="-0.2048938" k2="0.2987965" k3="-0.1966999"/>
            <vignetting model="pa" focal="160.0" aperture="14.0" distance="10" k1="-0.1805666" k2="0.2064245" k3="-0.1149267"/>
            <vignetting model="pa" focal="160.0" aperture="14.0" distance="1000" k1="-0.1805666" k2="0.2064245" k3="-0.1149267"/>
            <vignetting model="pa" focal="160.0" aperture="16.0" distance="10" k1="-0.1592496" k2="0.1206014" k3="-0.0393843"/>
            <vignetting model="pa" focal="160.0" aperture="16.0" distance="1000" k1="-0.1592496" k2="0.1206014" k3="-0.0393843"/>
            <vignetting model="pa" focal="160.0" aperture="32.0" distance="10" k1="-0.1658822" k2="0.1272213" k3="-0.0413274"/>
            <vignetting model="pa" focal="160.0" aperture="32.0" distance="1000" k1="-0.1658822" k2="0.1272213" k3="-0.0413274"/>
            <vignetting model="pa" focal="180.0" aperture="4.0" distance="10" k1="-1.1993749" k2="0.7749309" k3="-0.2601936"/>
            <vignetting model="pa" focal="180.0" aperture="4.0" distance="1000" k1="-1.1993749" k2="0.7749309" k3="-0.2601936"/>
            <vignetting model="pa" focal="180.0" aperture="4.5" distance="10" k1="-0.8368103" k2="0.0618399" k3="0.1382318"/>
            <vignetting model="pa" focal="180.0" aperture="4.5" distance="1000" k1="-0.8368103" k2="0.0618399" k3="0.1382318"/>
            <vignetting model="pa" focal="180.0" aperture="5.0" distance="10" k1="-0.2995501" k2="-0.8346651" k3="0.5691317"/>
            <vignetting model="pa" focal="180.0" aperture="5.0" distance="1000" k1="-0.2995501" k2="-0.8346651" k3="0.5691317"/>
            <vignetting model="pa" focal="180.0" aperture="5.6" distance="10" k1="0.0249838" k2="-0.9905619" k3="0.5020184"/>
            <vignetting model="pa" focal="180.0" aperture="5.6" distance="1000" k1="0.0249838" k2="-0.9905619" k3="0.5020184"/>
            <vignetting model="pa" focal="180.0" aperture="6.3" distance="10" k1="0.0058230" k2="-0.5594844" k3="0.1751387"/>
            <vignetting model="pa" focal="180.0" aperture="6.3" distance="1000" k1="0.0058230" k2="-0.5594844" k3="0.1751387"/>
            <vignetting model="pa" focal="180.0" aperture="7.1" distance="10" k1="-0.0024697" k2="-0.3584240" k3="0.0395392"/>
            <vignetting model="pa" focal="180.0" aperture="7.1" distance="1000" k1="-0.0024697" k2="-0.3584240" k3="0.0395392"/>
            <vignetting model="pa" focal="180.0" aperture="8.0" distance="10" k1="-0.0566048" k2="-0.0657888" k3="-0.1583869"/>
            <vignetting model="pa" focal="180.0" aperture="8.0" distance="1000" k1="-0.0566048" k2="-0.0657888" k3="-0.1583869"/>
            <vignetting model="pa" focal="180.0" aperture="9.0" distance="10" k1="-0.1539161" k2="0.2890817" k3="-0.3819182"/>
            <vignetting model="pa" focal="180.0" aperture="9.0" distance="1000" k1="-0.1539161" k2="0.2890817" k3="-0.3819182"/>
            <vignetting model="pa" focal="180.0" aperture="10.0" distance="10" k1="-0.2110051" k2="0.4802433" k3="-0.4787463"/>
            <vignetting model="pa" focal="180.0" aperture="10.0" distance="1000" k1="-0.2110051" k2="0.4802433" k3="-0.4787463"/>
            <vignetting model="pa" focal="180.0" aperture="11.0" distance="10" k1="-0.2422114" k2="0.5363502" k3="-0.4659823"/>
            <vignetting model="pa" focal="180.0" aperture="11.0" distance="1000" k1="-0.2422114" k2="0.5363502" k3="-0.4659823"/>
            <vignetting model="pa" focal="180.0" aperture="13.0" distance="10" k1="-0.2256797" k2="0.4260225" k3="-0.3332709"/>
            <vignetting model="pa" focal="180.0" aperture="13.0" distance="1000" k1="-0.2256797" k2="0.4260225" k3="-0.3332709"/>
            <vignetting model="pa" focal="180.0" aperture="14.0" distance="10" k1="-0.1976757" k2="0.3359674" k3="-0.2428019"/>
            <vignetting model="pa" focal="180.0" aperture="14.0" distance="1000" k1="-0.1976757" k2="0.3359674" k3="-0.2428019"/>
            <vignetting model="pa" focal="180.0" aperture="16.0" distance="10" k1="-0.1651287" k2="0.1858004" k3="-0.1023862"/>
            <vignetting model="pa" focal="180.0" aperture="16.0" distance="1000" k1="-0.1651287" k2="0.1858004" k3="-0.1023862"/>
            <vignetting model="pa" focal="180.0" aperture="32.0" distance="10" k1="-0.1580361" k2="0.1162317" k3="-0.0344165"/>
            <vignetting model="pa" focal="180.0" aperture="32.0" distance="1000" k1="-0.1580361" k2="0.1162317" k3="-0.0344165"/>
            <vignetting model="pa" focal="210.0" aperture="4.0" distance="10" k1="-1.6634090" k2="1.8121947" k3="-0.8603864"/>
            <vignetting model="pa" focal="210.0" aperture="4.0" distance="1000" k1="-1.6634090" k2="1.8121947" k3="-0.8603864"/>
            <vignetting model="pa" focal="210.0" aperture="4.5" distance="10" k1="-1.2719264" k2="0.9747225" k3="-0.3639598"/>
            <vignetting model="pa" focal="210.0" aperture="4.5" distance="1000" k1="-1.2719264" k2="0.9747225" k3="-0.3639598"/>
            <vignetting model="pa" focal="210.0" aperture="5.0" distance="10" k1="-0.6589663" k2="-0.1790782" k3="0.2464500"/>
            <vignetting model="pa" focal="210.0" aperture="5.0" distance="1000" k1="-0.6589663" k2="-0.1790782" k3="0.2464500"/>
            <vignetting model="pa" focal="210.0" aperture="5.6" distance="10" k1="-0.1816743" k2="-0.7358818" k3="0.4298645"/>
            <vignetting model="pa" focal="210.0" aperture="5.6" distance="1000" k1="-0.1816743" k2="-0.7358818" k3="0.4298645"/>
            <vignetting model="pa" focal="210.0" aperture="6.3" distance="10" k1="-0.0631012" k2="-0.6641816" k3="0.3263008"/>
            <vignetting model="pa" focal="210.0" aperture="6.3" distance="1000" k1="-0.0631012" k2="-0.6641816" k3="0.3263008"/>
            <vignetting model="pa" focal="210.0" aperture="7.1" distance="10" k1="0.0211076" k2="-0.6667148" k3="0.3033848"/>
            <vignetting model="pa" focal="210.0" aperture="7.1" distance="1000" k1="0.0211076" k2="-0.6667148" k3="0.3033848"/>
            <vignetting model="pa" focal="210.0" aperture="8.0" distance="10" k1="0.0301877" k2="-0.4857814" k3="0.1513199"/>
            <vignetting model="pa" focal="210.0" aperture="8.0" distance="1000" k1="0.0301877" k2="-0.4857814" k3="0.1513199"/>
            <vignetting model="pa" focal="210.0" aperture="9.0" distance="10" k1="-0.0517540" k2="-0.0979163" k3="-0.1259585"/>
            <vignetting model="pa" focal="210.0" aperture="9.0" distance="1000" k1="-0.0517540" k2="-0.0979163" k3="-0.1259585"/>
            <vignetting model="pa" focal="210.0" aperture="10.0" distance="10" k1="-0.1247541" k2="0.1925510" k3="-0.3096346"/>
            <vignetting model="pa" focal="210.0" aperture="10.0" distance="1000" k1="-0.1247541" k2="0.1925510" k3="-0.3096346"/>
            <vignetting model="pa" focal="210.0" aperture="11.0" distance="10" k1="-0.1964492" k2="0.4218873" k3="-0.4318630"/>
            <vignetting model="pa" focal="210.0" aperture="11.0" distance="1000" k1="-0.1964492" k2="0.4218873" k3="-0.4318630"/>
            <vignetting model="pa" focal="210.0" aperture="13.0" distance="10" k1="-0.2470473" k2="0.5394987" k3="-0.4591919"/>
            <vignetting model="pa" focal="210.0" aperture="13.0" distance="1000" k1="-0.2470473" k2="0.5394987" k3="-0.4591919"/>
            <vignetting model="pa" focal="210.0" aperture="14.0" distance="10" k1="-0.2211813" k2="0.4529884" k3="-0.3645309"/>
            <vignetting model="pa" focal="210.0" aperture="14.0" distance="1000" k1="-0.2211813" k2="0.4529884" k3="-0.3645309"/>
            <vignetting model="pa" focal="210.0" aperture="16.0" distance="10" k1="-0.1919574" k2="0.3084309" k3="-0.2136754"/>
            <vignetting model="pa" focal="210.0" aperture="16.0" distance="1000" k1="-0.1919574" k2="0.3084309" k3="-0.2136754"/>
            <vignetting model="pa" focal="210.0" aperture="32.0" distance="10" k1="-0.1601901" k2="0.1300762" k3="-0.0422339"/>
            <vignetting model="pa" focal="210.0" aperture="32.0" distance="1000" k1="-0.1601901" k2="0.1300762" k3="-0.0422339"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 28-80mm f/3.5-5.6 USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1.0</cropfactor>
        <calibration>
            <!-- Taken with Canon EOS 5D Mark II -->
            <distortion model="ptlens" focal="28.0" a="0.0195814" b="-0.0633521" c="0.0195134"/>
            <distortion model="ptlens" focal="30.0" a="0.0152083" b="-0.0523583" c="0.0216803"/>
            <distortion model="ptlens" focal="35.0" a="0.00927276" b="-0.0325077" c="0.0146582"/>
            <distortion model="ptlens" focal="40.0" a="0.00508642" b="-0.0181474" c="0.0120551"/>
            <distortion model="ptlens" focal="45.0" a="0.000862367" b="-0.00456423" c="0.00674863"/>
            <distortion model="ptlens" focal="50.0" a="0.00128569" b="-0.00466577" c="0.00854864"/>
            <distortion model="ptlens" focal="56.0" a="-0.000946322" b="0.006287" c="-0.00537259"/>
            <distortion model="ptlens" focal="63.0" a="-0.000106292" b="-0.000680233" c="0.0104169"/>
            <distortion model="ptlens" focal="68.0" a="0.00425771" b="-0.0129991" c="0.0203576"/>
            <distortion model="ptlens" focal="76.0" a="0.00017077" b="-0.000600752" c="0.00937094"/>
            <distortion model="ptlens" focal="80.0" a="0.0406133" b="-0.161044" c="0.215619"/>
            <tca model="poly3" focal="28.0" vr="1.0004051" vb="0.9999076"/>
            <tca model="poly3" focal="32.0" vr="1.0004100" vb="0.9998702"/>
            <tca model="poly3" focal="36.0" vr="1.0003710" vb="0.9998916"/>
            <tca model="poly3" focal="38.0" vr="1.0003448" vb="0.9999005"/>
            <tca model="poly3" focal="42.0" vr="1.0003124" vb="0.9999129"/>
            <tca model="poly3" focal="47.0" vr="1.0002605" vb="0.9999404"/>
            <tca model="poly3" focal="52.0" vr="1.0002253" vb="0.9999627"/>
            <tca model="poly3" focal="58.0" vr="1.0001015" vb="0.9999860"/>
            <tca model="poly3" focal="64.0" vr="1.0001228" vb="1.0000512"/>
            <tca model="poly3" focal="72.0" vr="1.0000976" vb="1.0000106"/>
            <tca model="poly3" focal="80.0" vr="1.0001080" vb="0.9999748"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 11-24mm f/4L USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1.0</cropfactor>
        <calibration>
            <!-- Taken with Canon EOS R -->
            <distortion model="ptlens" focal="11" a="0.00960274" b="-0.0413048" c="0.032193"/>
            <distortion model="ptlens" focal="13" a="0.00951958" b="-0.0441039" c="0.0511574"/>
            <distortion model="ptlens" focal="15" a="-0.00100155" b="0" c="0.000986714"/>
            <distortion model="ptlens" focal="18" a="-0.00248142" b="0.00878386" c="-0.00610385"/>
            <distortion model="ptlens" focal="19" a="-0.00657026" b="0.0233267" c="-0.020908"/>
            <distortion model="ptlens" focal="21" a="-0.00867239" b="0.0310121" c="-0.0285894"/>
            <distortion model="ptlens" focal="24" a="-0.00885246" b="0.031979" c="-0.0289054"/>
            <tca model="poly3" focal="11" vr="1.0001613" vb="1.0001127"/>
            <tca model="poly3" focal="12" vr="1.0001505" vb="1.0001131"/>
            <tca model="poly3" focal="13" vr="1.0001365" vb="1.0000872"/>
            <tca model="poly3" focal="15" vr="1.0001374" vb="1.0000672"/>
            <tca model="poly3" focal="17" vr="1.0001141" vb="1.0000925"/>
            <tca model="poly3" focal="19" vr="1.0001550" vb="1.0000571"/>
            <tca model="poly3" focal="20" vr="1.0001823" vb="1.0000370"/>
            <tca model="poly3" focal="24" vr="1.0002146" vb="1.0000059"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 300mm f/2.8L IS USM</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <!-- Taken with Canon EOS R6 -->
            <distortion model="ptlens" focal="300" a="-0.003" b="0.012" c="-0.016"/>
            <tca model="poly3" focal="300" vr="0.9997603" vb="1.0000432"/>
            <vignetting model="pa" focal="300" aperture="2.8" distance="2.5" k1="-0.8509" k2="0.9561" k3="-0.6078"/>
            <vignetting model="pa" focal="300" aperture="2.8" distance="5" k1="-1.0262" k2="1.2747" k3="-0.7784"/>
            <vignetting model="pa" focal="300" aperture="2.8" distance="15" k1="-1.0827" k2="1.3738" k3="-0.8311"/>
            <vignetting model="pa" focal="300" aperture="2.8" distance="1000" k1="-1.0829" k2="1.3590" k3="-0.8182"/>
            <vignetting model="pa" focal="300" aperture="4" distance="2.5" k1="0.0883" k2="-0.9432" k3="0.5331"/>
            <vignetting model="pa" focal="300" aperture="4" distance="5" k1="0.0654" k2="-0.8758" k3="0.4888"/>
            <vignetting model="pa" focal="300" aperture="4" distance="15" k1="0.0882" k2="-0.9447" k3="0.5267"/>
            <vignetting model="pa" focal="300" aperture="4" distance="1000" k1="0.0564" k2="-0.8751" k3="0.4859"/>
            <vignetting model="pa" focal="300" aperture="5.6" distance="2.5" k1="0.1029" k2="-0.2330" k3="-0.0573"/>
            <vignetting model="pa" focal="300" aperture="5.6" distance="5" k1="0.0896" k2="-0.2124" k3="-0.0856"/>
            <vignetting model="pa" focal="300" aperture="5.6" distance="15" k1="0.0885" k2="-0.2125" k3="-0.0898"/>
            <vignetting model="pa" focal="300" aperture="5.6" distance="1000" k1="0.0780" k2="-0.1959" k3="-0.0992"/>
            <vignetting model="pa" focal="300" aperture="8" distance="2.5" k1="0.0662" k2="-0.2487" k3="0.1065"/>
            <vignetting model="pa" focal="300" aperture="8" distance="5" k1="0.0386" k2="-0.1676" k3="0.0426"/>
            <vignetting model="pa" focal="300" aperture="8" distance="15" k1="0.0451" k2="-0.1950" k3="0.0646"/>
            <vignetting model="pa" focal="300" aperture="8" distance="1000" k1="0.0279" k2="-0.1457" k3="0.0242"/>
            <vignetting model="pa" focal="300" aperture="32" distance="2.5" k1="0.0738" k2="-0.2597" k3="0.1080"/>
            <vignetting model="pa" focal="300" aperture="32" distance="5" k1="0.0593" k2="-0.2238" k3="0.0862"/>
            <vignetting model="pa" focal="300" aperture="32" distance="15" k1="0.0328" k2="-0.1646" k3="0.0531"/>
            <vignetting model="pa" focal="300" aperture="32" distance="1000" k1="0.0308" k2="-0.1663" k3="0.0556"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 300mm f/2.8L IS USM +1.4x extender III</model>
        <model lang="en">Canon EF 300mm f/2.8L IS USM + EF 1.4× ext. III</model>
        <model lang="de">Canon EF 300mm f/2.8L IS USM + EF 1,4× Konv. III</model>
        <mount>Canon EF</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <!-- Taken with Canon EOS R6 -->
            <distortion model="ptlens" focal="420" a="-0.007" b="0.017" c="-0.018"/>
            <tca model="poly3" focal="420" vr="0.9997146" vb="1.0000611"/>
            <vignetting model="pa" focal="420" aperture="4" distance="2.5" k1="-0.3594" k2="0.0623" k3="-0.1517"/>
            <vignetting model="pa" focal="420" aperture="4" distance="5" k1="-0.5155" k2="0.3410" k3="-0.2930"/>
            <vignetting model="pa" focal="420" aperture="4" distance="15" k1="-0.5802" k2="0.4597" k3="-0.3561"/>
            <vignetting model="pa" focal="420" aperture="4" distance="1000" k1="-0.5667" k2="0.4152" k3="-0.3252"/>
            <vignetting model="pa" focal="420" aperture="5.6" distance="2.5" k1="0.0432" k2="-0.1017" k3="-0.1586"/>
            <vignetting model="pa" focal="420" aperture="5.6" distance="5" k1="0.0061" k2="-0.0076" k3="-0.2177"/>
            <vignetting model="pa" focal="420" aperture="5.6" distance="15" k1="0.0182" k2="-0.0054" k3="-0.2320"/>
            <vignetting model="pa" focal="420" aperture="5.6" distance="1000" k1="0.0078" k2="0.0407" k3="-0.2585"/>
            <vignetting model="pa" focal="420" aperture="8" distance="2.5" k1="-0.0091" k2="0.0409" k3="-0.0177"/>
            <vignetting model="pa" focal="420" aperture="8" distance="5" k1="-0.0155" k2="0.0545" k3="-0.0237"/>
            <vignetting model="pa" focal="420" aperture="8" distance="15" k1="-0.0161" k2="0.0532" k3="-0.0220"/>
            <vignetting model="pa" focal="420" aperture="8" distance="1000" k1="-0.0215" k2="0.0612" k3="-0.0229"/>
            <vignetting model="pa" focal="420" aperture="11" distance="2.5" k1="-0.0240" k2="0.0638" k3="-0.0217"/>
            <vignetting model="pa" focal="420" aperture="11" distance="5" k1="-0.0233" k2="0.0617" k3="-0.0202"/>
            <vignetting model="pa" focal="420" aperture="11" distance="15" k1="-0.0269" k2="0.0664" k3="-0.0201"/>
            <vignetting model="pa" focal="420" aperture="11" distance="1000" k1="-0.0308" k2="0.0680" k3="-0.0151"/>
            <vignetting model="pa" focal="420" aperture="45" distance="2.5" k1="-0.0367" k2="0.0535" k3="0.0042"/>
            <vignetting model="pa" focal="420" aperture="45" distance="5" k1="-0.0334" k2="0.0443" k3="0.0106"/>
            <vignetting model="pa" focal="420" aperture="45" distance="15" k1="-0.0371" k2="0.0445" k3="0.0156"/>
            <vignetting model="pa" focal="420" aperture="45" distance="1000" k1="-0.0397" k2="0.0410" k3="0.0233"/>
        </calibration>
    </lens>
    <lens>
        <maker>Canon</maker>
        <model>Canon EF 300mm f/2.8L IS USM +2x III extender</model>
        <model lang="en">Canon EF 300mm f/2.8L IS USM + EF 2.0× ext. III</model>
        <model lang="de">Canon EF 300mm f/2.8L IS USM + EF 2.0× Konv. III</model>
        <mount>Canon EF</mount>
        <cropfactor>1.0</cropfactor>
        <calibration>
            <!-- Taken with adapter on Canon EOS R6 -->
            <distortion model="ptlens" focal="600" a="-0.003" b="0.01" c="-0.018"/>
            <tca model="poly3" focal="600" vr="0.9996958" vb="1.0000948"/>
            <vignetting model="pa" focal="600" aperture="5.6" distance="2.5" k1="-0.0313" k2="-0.6864" k3="0.3148"/>
            <vignetting model="pa" focal="600" aperture="5.6" distance="5" k1="-0.2279" k2="-0.3027" k3="0.1052"/>
            <vignetting model="pa" focal="600" aperture="5.6" distance="15" k1="-0.2875" k2="-0.1881" k3="0.0434"/>
            <vignetting model="pa" focal="600" aperture="5.6" distance="1000" k1="-0.2992" k2="-0.1750" k3="0.0414"/>
            <vignetting model="pa" focal="600" aperture="8" distance="2.5" k1="-0.0411" k2="0.1240" k3="-0.2744"/>
            <vignetting model="pa" focal="600" aperture="8" distance="5" k1="-0.0533" k2="0.1651" k3="-0.3004"/>
            <vignetting model="pa" focal="600" aperture="8" distance="15" k1="-0.0514" k2="0.1605" k3="-0.2942"/>
            <vignetting model="pa" focal="600" aperture="8" distance="1000" k1="-0.0642" k2="0.2067" k3="-0.3205"/>
            <vignetting model="pa" focal="600" aperture="11" distance="2.5" k1="-0.0218" k2="-0.0602" k3="0.0439"/>
            <vignetting model="pa" focal="600" aperture="11" distance="5" k1="-0.0229" k2="-0.0597" k3="0.0455"/>
            <vignetting model="pa" focal="600" aperture="11" distance="15" k1="-0.0255" k2="-0.0530" k3="0.0419"/>
            <vignetting model="pa" focal="600" aperture="11" distance="1000" k1="-0.0237" k2="-0.0511" k3="0.0388"/>
            <vignetting model="pa" focal="600" aperture="16" distance="2.5" k1="-0.0323" k2="-0.0508" k3="0.0469"/>
            <vignetting model="pa" focal="600" aperture="16" distance="5" k1="-0.0345" k2="-0.0461" k3="0.0444"/>
            <vignetting model="pa" focal="600" aperture="16" distance="15" k1="-0.0367" k2="-0.0406" k3="0.0416"/>
            <vignetting model="pa" focal="600" aperture="16" distance="1000" k1="-0.0305" k2="-0.0502" k3="0.0448"/>
            <vignetting model="pa" focal="600" aperture="64" distance="2.5" k1="-0.1049" k2="0.0839" k3="-0.0157"/>
            <vignetting model="pa" focal="600" aperture="64" distance="5" k1="-0.1061" k2="0.0866" k3="-0.0174"/>
            <vignetting model="pa" focal="600" aperture="64" distance="15" k1="-0.1003" k2="0.0725" k3="-0.0083"/>
            <vignetting model="pa" focal="600" aperture="64" distance="1000" k1="-0.1070" k2="0.0886" k3="-0.0192"/>
        </calibration>
    </lens>
</lensdatabase>
