<lensdatabase version="1">
    <lens>
        <maker>Zeiss</maker>
        <model>Touit 1.8/32</model>
        <model lang="en">Touit 32mm f/1.8</model>
        <mount>Fujifilm X</mount>
        <mount>Sony E</mount>
        <cropfactor>1.534</cropfactor>
        <calibration>
            <!-- Taken with Sony A6000 -->
            <distortion model="poly3" focal="32" k1="-0.00792"/>
            <!-- Taken with Fujifilm X-T3 -->
            <tca model="poly3" focal="32.0" br="-0.0000842" vr="1.0006229" bb="0.0001109" vb="0.9996800"/>
            <vignetting model="pa" focal="32.0" aperture="1.8" distance="10" k1="-1.2160006" k2="0.6673535" k3="-0.1776757"/>
            <vignetting model="pa" focal="32.0" aperture="1.8" distance="1000" k1="-1.2160006" k2="0.6673535" k3="-0.1776757"/>
            <vignetting model="pa" focal="32.0" aperture="2.0" distance="10" k1="-0.8468284" k2="0.0285015" k3="0.1322209"/>
            <vignetting model="pa" focal="32.0" aperture="2.0" distance="1000" k1="-0.8468284" k2="0.0285015" k3="0.1322209"/>
            <vignetting model="pa" focal="32.0" aperture="2.8" distance="10" k1="-0.0850621" k2="-0.3425672" k3="0.0798519"/>
            <vignetting model="pa" focal="32.0" aperture="2.8" distance="1000" k1="-0.0850621" k2="-0.3425672" k3="0.0798519"/>
            <vignetting model="pa" focal="32.0" aperture="4.0" distance="10" k1="-0.2169273" k2="0.1420966" k3="-0.1492399"/>
            <vignetting model="pa" focal="32.0" aperture="4.0" distance="1000" k1="-0.2169273" k2="0.1420966" k3="-0.1492399"/>
            <vignetting model="pa" focal="32.0" aperture="5.6" distance="10" k1="-0.1833442" k2="-0.0542602" k3="0.0541898"/>
            <vignetting model="pa" focal="32.0" aperture="5.6" distance="1000" k1="-0.1833442" k2="-0.0542602" k3="0.0541898"/>
            <vignetting model="pa" focal="32.0" aperture="8.0" distance="10" k1="-0.2090648" k2="0.0022256" k3="0.0143559"/>
            <vignetting model="pa" focal="32.0" aperture="8.0" distance="1000" k1="-0.2090648" k2="0.0022256" k3="0.0143559"/>
            <vignetting model="pa" focal="32.0" aperture="11.0" distance="10" k1="-0.2155075" k2="0.0079288" k3="0.0002598"/>
            <vignetting model="pa" focal="32.0" aperture="11.0" distance="1000" k1="-0.2155075" k2="0.0079288" k3="0.0002598"/>
            <vignetting model="pa" focal="32.0" aperture="16.0" distance="10" k1="-0.2305346" k2="0.0313585" k3="-0.0001259"/>
            <vignetting model="pa" focal="32.0" aperture="16.0" distance="1000" k1="-0.2305346" k2="0.0313585" k3="-0.0001259"/>
            <vignetting model="pa" focal="32.0" aperture="22.0" distance="10" k1="-0.2499405" k2="0.0683287" k3="-0.0263703"/>
            <vignetting model="pa" focal="32.0" aperture="22.0" distance="1000" k1="-0.2499405" k2="0.0683287" k3="-0.0263703"/>
        </calibration>
    </lens>
    <lens>
        <maker>Zeiss</maker>
        <model>E 25mm f/2</model>
        <model lang="en">Batis 25mm f/2</model>
        <mount>Sony E</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <!-- Taken with Sony Alpha 7R -->
            <distortion model="ptlens" focal="25" a="0.01403" b="-0.03257" c="0.00722"/>
            <vignetting model="pa" focal="25" aperture="2" distance="10" k1="-1.3135" k2="0.7812" k3="-0.1662"/>
            <vignetting model="pa" focal="25" aperture="2" distance="1000" k1="-1.3135" k2="0.7812" k3="-0.1662"/>
            <vignetting model="pa" focal="25" aperture="2.2" distance="10" k1="-0.8297" k2="-0.2042" k3="0.3884"/>
            <vignetting model="pa" focal="25" aperture="2.2" distance="1000" k1="-0.8297" k2="-0.2042" k3="0.3884"/>
            <vignetting model="pa" focal="25" aperture="2.5" distance="10" k1="-0.6639" k2="-0.1965" k3="0.2916"/>
            <vignetting model="pa" focal="25" aperture="2.5" distance="1000" k1="-0.6639" k2="-0.1965" k3="0.2916"/>
            <vignetting model="pa" focal="25" aperture="2.8" distance="10" k1="-0.8068" k2="0.3793" k3="-0.1003"/>
            <vignetting model="pa" focal="25" aperture="2.8" distance="1000" k1="-0.8068" k2="0.3793" k3="-0.1003"/>
            <vignetting model="pa" focal="25" aperture="3.2" distance="10" k1="-0.7914" k2="0.3992" k3="-0.1236"/>
            <vignetting model="pa" focal="25" aperture="3.2" distance="1000" k1="-0.7914" k2="0.3992" k3="-0.1236"/>
            <vignetting model="pa" focal="25" aperture="3.5" distance="10" k1="-0.8243" k2="0.4168" k3="-0.1076"/>
            <vignetting model="pa" focal="25" aperture="3.5" distance="1000" k1="-0.8243" k2="0.4168" k3="-0.1076"/>
            <vignetting model="pa" focal="25" aperture="4" distance="10" k1="-0.8256" k2="0.3920" k3="-0.0733"/>
            <vignetting model="pa" focal="25" aperture="4" distance="1000" k1="-0.8256" k2="0.3920" k3="-0.0733"/>
            <vignetting model="pa" focal="25" aperture="4.5" distance="10" k1="-0.8200" k2="0.3486" k3="-0.0395"/>
            <vignetting model="pa" focal="25" aperture="4.5" distance="1000" k1="-0.8200" k2="0.3486" k3="-0.0395"/>
            <vignetting model="pa" focal="25" aperture="5" distance="10" k1="-0.7887" k2="0.2225" k3="0.0559"/>
            <vignetting model="pa" focal="25" aperture="5" distance="1000" k1="-0.7887" k2="0.2225" k3="0.0559"/>
            <vignetting model="pa" focal="25" aperture="5.6" distance="10" k1="-0.7793" k2="0.2049" k3="0.0600"/>
            <vignetting model="pa" focal="25" aperture="5.6" distance="1000" k1="-0.7793" k2="0.2049" k3="0.0600"/>
            <vignetting model="pa" focal="25" aperture="6.3" distance="10" k1="-0.7779" k2="0.2160" k3="0.0361"/>
            <vignetting model="pa" focal="25" aperture="6.3" distance="1000" k1="-0.7779" k2="0.2160" k3="0.0361"/>
            <vignetting model="pa" focal="25" aperture="7.1" distance="10" k1="-0.7759" k2="0.2166" k3="0.0253"/>
            <vignetting model="pa" focal="25" aperture="7.1" distance="1000" k1="-0.7759" k2="0.2166" k3="0.0253"/>
            <vignetting model="pa" focal="25" aperture="8" distance="10" k1="-0.7698" k2="0.2065" k3="0.0287"/>
            <vignetting model="pa" focal="25" aperture="8" distance="1000" k1="-0.7698" k2="0.2065" k3="0.0287"/>
            <vignetting model="pa" focal="25" aperture="9" distance="10" k1="-0.7606" k2="0.1789" k3="0.0503"/>
            <vignetting model="pa" focal="25" aperture="9" distance="1000" k1="-0.7606" k2="0.1789" k3="0.0503"/>
            <vignetting model="pa" focal="25" aperture="10" distance="10" k1="-0.7590" k2="0.1795" k3="0.0459"/>
            <vignetting model="pa" focal="25" aperture="10" distance="1000" k1="-0.7590" k2="0.1795" k3="0.0459"/>
            <vignetting model="pa" focal="25" aperture="11" distance="10" k1="-0.7566" k2="0.1734" k3="0.0498"/>
            <vignetting model="pa" focal="25" aperture="11" distance="1000" k1="-0.7566" k2="0.1734" k3="0.0498"/>
            <vignetting model="pa" focal="25" aperture="13" distance="10" k1="-0.7519" k2="0.1614" k3="0.0571"/>
            <vignetting model="pa" focal="25" aperture="13" distance="1000" k1="-0.7519" k2="0.1614" k3="0.0571"/>
            <vignetting model="pa" focal="25" aperture="14" distance="10" k1="-0.7479" k2="0.1499" k3="0.0644"/>
            <vignetting model="pa" focal="25" aperture="14" distance="1000" k1="-0.7479" k2="0.1499" k3="0.0644"/>
            <vignetting model="pa" focal="25" aperture="16" distance="10" k1="-0.7426" k2="0.1364" k3="0.0728"/>
            <vignetting model="pa" focal="25" aperture="16" distance="1000" k1="-0.7426" k2="0.1364" k3="0.0728"/>
            <vignetting model="pa" focal="25" aperture="18" distance="10" k1="-0.7405" k2="0.1285" k3="0.0783"/>
            <vignetting model="pa" focal="25" aperture="18" distance="1000" k1="-0.7405" k2="0.1285" k3="0.0783"/>
            <vignetting model="pa" focal="25" aperture="20" distance="10" k1="-0.7392" k2="0.1229" k3="0.0829"/>
            <vignetting model="pa" focal="25" aperture="20" distance="1000" k1="-0.7392" k2="0.1229" k3="0.0829"/>
            <vignetting model="pa" focal="25" aperture="22" distance="10" k1="-0.7379" k2="0.1186" k3="0.0860"/>
            <vignetting model="pa" focal="25" aperture="22" distance="1000" k1="-0.7379" k2="0.1186" k3="0.0860"/>
        </calibration>
    </lens>
    <lens>
        <maker>Zeiss</maker>
        <model>ZEISS Batis 2/25</model>
        <!-- This is apparently an alias for E 25mm f/2 above -->
        <model lang="en">Batis 25mm f/2</model>
        <mount>Sony E</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <!-- Taken with Sony Alpha 7R -->
            <distortion model="ptlens" focal="25" a="0.01403" b="-0.03257" c="0.00722"/>
            <vignetting model="pa" focal="25" aperture="2" distance="10" k1="-1.3135" k2="0.7812" k3="-0.1662"/>
            <vignetting model="pa" focal="25" aperture="2" distance="1000" k1="-1.3135" k2="0.7812" k3="-0.1662"/>
            <vignetting model="pa" focal="25" aperture="2.2" distance="10" k1="-0.8297" k2="-0.2042" k3="0.3884"/>
            <vignetting model="pa" focal="25" aperture="2.2" distance="1000" k1="-0.8297" k2="-0.2042" k3="0.3884"/>
            <vignetting model="pa" focal="25" aperture="2.5" distance="10" k1="-0.6639" k2="-0.1965" k3="0.2916"/>
            <vignetting model="pa" focal="25" aperture="2.5" distance="1000" k1="-0.6639" k2="-0.1965" k3="0.2916"/>
            <vignetting model="pa" focal="25" aperture="2.8" distance="10" k1="-0.8068" k2="0.3793" k3="-0.1003"/>
            <vignetting model="pa" focal="25" aperture="2.8" distance="1000" k1="-0.8068" k2="0.3793" k3="-0.1003"/>
            <vignetting model="pa" focal="25" aperture="3.2" distance="10" k1="-0.7914" k2="0.3992" k3="-0.1236"/>
            <vignetting model="pa" focal="25" aperture="3.2" distance="1000" k1="-0.7914" k2="0.3992" k3="-0.1236"/>
            <vignetting model="pa" focal="25" aperture="3.5" distance="10" k1="-0.8243" k2="0.4168" k3="-0.1076"/>
            <vignetting model="pa" focal="25" aperture="3.5" distance="1000" k1="-0.8243" k2="0.4168" k3="-0.1076"/>
            <vignetting model="pa" focal="25" aperture="4" distance="10" k1="-0.8256" k2="0.3920" k3="-0.0733"/>
            <vignetting model="pa" focal="25" aperture="4" distance="1000" k1="-0.8256" k2="0.3920" k3="-0.0733"/>
            <vignetting model="pa" focal="25" aperture="4.5" distance="10" k1="-0.8200" k2="0.3486" k3="-0.0395"/>
            <vignetting model="pa" focal="25" aperture="4.5" distance="1000" k1="-0.8200" k2="0.3486" k3="-0.0395"/>
            <vignetting model="pa" focal="25" aperture="5" distance="10" k1="-0.7887" k2="0.2225" k3="0.0559"/>
            <vignetting model="pa" focal="25" aperture="5" distance="1000" k1="-0.7887" k2="0.2225" k3="0.0559"/>
            <vignetting model="pa" focal="25" aperture="5.6" distance="10" k1="-0.7793" k2="0.2049" k3="0.0600"/>
            <vignetting model="pa" focal="25" aperture="5.6" distance="1000" k1="-0.7793" k2="0.2049" k3="0.0600"/>
            <vignetting model="pa" focal="25" aperture="6.3" distance="10" k1="-0.7779" k2="0.2160" k3="0.0361"/>
            <vignetting model="pa" focal="25" aperture="6.3" distance="1000" k1="-0.7779" k2="0.2160" k3="0.0361"/>
            <vignetting model="pa" focal="25" aperture="7.1" distance="10" k1="-0.7759" k2="0.2166" k3="0.0253"/>
            <vignetting model="pa" focal="25" aperture="7.1" distance="1000" k1="-0.7759" k2="0.2166" k3="0.0253"/>
            <vignetting model="pa" focal="25" aperture="8" distance="10" k1="-0.7698" k2="0.2065" k3="0.0287"/>
            <vignetting model="pa" focal="25" aperture="8" distance="1000" k1="-0.7698" k2="0.2065" k3="0.0287"/>
            <vignetting model="pa" focal="25" aperture="9" distance="10" k1="-0.7606" k2="0.1789" k3="0.0503"/>
            <vignetting model="pa" focal="25" aperture="9" distance="1000" k1="-0.7606" k2="0.1789" k3="0.0503"/>
            <vignetting model="pa" focal="25" aperture="10" distance="10" k1="-0.7590" k2="0.1795" k3="0.0459"/>
            <vignetting model="pa" focal="25" aperture="10" distance="1000" k1="-0.7590" k2="0.1795" k3="0.0459"/>
            <vignetting model="pa" focal="25" aperture="11" distance="10" k1="-0.7566" k2="0.1734" k3="0.0498"/>
            <vignetting model="pa" focal="25" aperture="11" distance="1000" k1="-0.7566" k2="0.1734" k3="0.0498"/>
            <vignetting model="pa" focal="25" aperture="13" distance="10" k1="-0.7519" k2="0.1614" k3="0.0571"/>
            <vignetting model="pa" focal="25" aperture="13" distance="1000" k1="-0.7519" k2="0.1614" k3="0.0571"/>
            <vignetting model="pa" focal="25" aperture="14" distance="10" k1="-0.7479" k2="0.1499" k3="0.0644"/>
            <vignetting model="pa" focal="25" aperture="14" distance="1000" k1="-0.7479" k2="0.1499" k3="0.0644"/>
            <vignetting model="pa" focal="25" aperture="16" distance="10" k1="-0.7426" k2="0.1364" k3="0.0728"/>
            <vignetting model="pa" focal="25" aperture="16" distance="1000" k1="-0.7426" k2="0.1364" k3="0.0728"/>
            <vignetting model="pa" focal="25" aperture="18" distance="10" k1="-0.7405" k2="0.1285" k3="0.0783"/>
            <vignetting model="pa" focal="25" aperture="18" distance="1000" k1="-0.7405" k2="0.1285" k3="0.0783"/>
            <vignetting model="pa" focal="25" aperture="20" distance="10" k1="-0.7392" k2="0.1229" k3="0.0829"/>
            <vignetting model="pa" focal="25" aperture="20" distance="1000" k1="-0.7392" k2="0.1229" k3="0.0829"/>
            <vignetting model="pa" focal="25" aperture="22" distance="10" k1="-0.7379" k2="0.1186" k3="0.0860"/>
            <vignetting model="pa" focal="25" aperture="22" distance="1000" k1="-0.7379" k2="0.1186" k3="0.0860"/>
        </calibration>
    </lens>
    <lens>
        <maker>Zeiss</maker>
        <model>E 85mm F1.8</model>
        <model lang="en">Batis 85mm f/1.8</model>
        <mount>Sony E</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <!-- Taken with Sony Alpha a7 II (ILCE-7M2) -->
            <distortion model="ptlens" focal="85" a="-0.000588" b="-0.00021" c="0.024475"/>
        </calibration>
    </lens>
    <lens>
        <maker>Zeiss</maker>
        <model>E 50mm F2</model>
        <model lang="en">Loxia 50mm f/2 Planar T*</model>
        <mount>Sony E</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <!-- Taken with Sony Alpha 7 II (ILCE-7M2) -->
            <distortion model="ptlens" focal="50" a="-0.00093" b="-0.00216" c="-0.0024"/>
        </calibration>
    </lens>
    <lens>
        <maker>Zeiss</maker>
        <model>E 21mm F2.8</model>
        <model lang="en">Loxia 21mm f/2.8</model>
        <mount>Sony E</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <!-- Taken with Sony Alpha 7 II (ILCE-7M2) -->
            <distortion model="ptlens" focal="21" a="0.02059" b="-0.05856" c="0.0302"/>
            <tca model="poly3" focal="21" vr="1.0000849" vb="1.0000258"/>
        </calibration>
    </lens>
    <lens>
        <maker>Zeiss</maker>
        <model>Zeiss Batis 2.8/18</model>
        <model lang="en">Batis 18mm f/2.8</model>
        <mount>Sony E</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <!-- Taken with Sony Alpha 7S -->
            <distortion model="ptlens" focal="18" a="0.03666" b="-0.0936845" c="0.0413531"/>
            <tca model="poly3" focal="18" br="-0.0000385" vr="1.0001447" bb="0.0000468" vb="0.9999362"/>
        </calibration>
    </lens>
    <lens>
        <maker>Zeiss</maker>
        <model>Touit 2.8/12</model>
        <mount>Fujifilm X</mount>
        <mount>Sony E</mount>
        <cropfactor>1.53</cropfactor>
        <calibration>
            <!-- Taken with Fujifilm X-T3 -->
            <distortion model="ptlens" focal="12.0" a="0.007" b="-0.029" c="0.01"/>
            <tca model="poly3" focal="12.0" br="-0.0001138" vr="1.0003426" bb="0.0001549" vb="0.9998049"/>
            <vignetting model="pa" focal="12.0" aperture="2.8" distance="10" k1="-1.3491751" k2="0.7310271" k3="-0.1549161"/>
            <vignetting model="pa" focal="12.0" aperture="2.8" distance="1000" k1="-1.3491751" k2="0.7310271" k3="-0.1549161"/>
            <vignetting model="pa" focal="12.0" aperture="4.0" distance="10" k1="-0.6416400" k2="-0.3021986" k3="0.2974415"/>
            <vignetting model="pa" focal="12.0" aperture="4.0" distance="1000" k1="-0.6416400" k2="-0.3021986" k3="0.2974415"/>
            <vignetting model="pa" focal="12.0" aperture="5.6" distance="10" k1="-0.7861321" k2="0.2537078" k3="-0.0397094"/>
            <vignetting model="pa" focal="12.0" aperture="5.6" distance="1000" k1="-0.7861321" k2="0.2537078" k3="-0.0397094"/>
            <vignetting model="pa" focal="12.0" aperture="8.0" distance="10" k1="-0.7960000" k2="0.2570996" k3="-0.0266323"/>
            <vignetting model="pa" focal="12.0" aperture="8.0" distance="1000" k1="-0.7960000" k2="0.2570996" k3="-0.0266323"/>
            <vignetting model="pa" focal="12.0" aperture="11.0" distance="10" k1="-0.8137004" k2="0.2778998" k3="-0.0333833"/>
            <vignetting model="pa" focal="12.0" aperture="11.0" distance="1000" k1="-0.8137004" k2="0.2778998" k3="-0.0333833"/>
            <vignetting model="pa" focal="12.0" aperture="16.0" distance="10" k1="-0.8274779" k2="0.3209522" k3="-0.0638800"/>
            <vignetting model="pa" focal="12.0" aperture="16.0" distance="1000" k1="-0.8274779" k2="0.3209522" k3="-0.0638800"/>
            <vignetting model="pa" focal="12.0" aperture="22.0" distance="10" k1="-0.8710585" k2="0.3162095" k3="-0.0329601"/>
            <vignetting model="pa" focal="12.0" aperture="22.0" distance="1000" k1="-0.8710585" k2="0.3162095" k3="-0.0329601"/>
        </calibration>
    </lens>
    <lens>
        <maker>Zeiss</maker>
        <model>Distagon 18mm f/4</model>
        <mount>Sony E</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <!-- taken with Sony ILCE-7 -->
            <distortion model="ptlens" focal="18" a="0.02239" b="-0.04274" c="-0.00669"/>
        </calibration>
    </lens>
    <lens>
        <maker>Zeiss</maker>
        <model>Distagon 28mm f/2.8 MMJ</model>
        <mount>Sony E</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <!-- taken with Sony ILCE-7 -->
            <distortion model="ptlens" focal="28" a="0" b="-0.00366" c="0"/>
        </calibration>
    </lens>
    <lens>
        <maker>Zeiss</maker>
        <model>Planar 50mm f/1.7 AEJ</model>
        <mount>Sony E</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <!-- taken with Sony ILCE-7 -->
            <distortion model="ptlens" focal="50" a="0" b="-0.00497" c="0"/>
        </calibration>
    </lens>
    <lens>
        <maker>Zeiss</maker>
        <model>Sonnar 85mm f/2.8 AEJ</model>
        <mount>Sony E</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <!-- taken with Sony ILCE-7 -->
            <distortion model="ptlens" focal="85" a="0" b="0.00298" c="0"/>
        </calibration>
    </lens>
</lensdatabase>
