<lensdatabase version="1">
    <camera>
        <maker>Sigma</maker>
        <model>Sigma fp</model>
        <model lang="en">fp</model>
        <mount>Leica L</mount>
        <cropfactor>1</cropfactor>
    </camera>
    <camera>
        <maker>Sigma</maker>
        <model>Sigma fp L</model>
        <model lang="en">fp L</model>
        <mount>Leica L</mount>
        <cropfactor>1</cropfactor>
    </camera>
    <camera>
        <maker>Sigma</maker>
        <model>sd Quattro</model>
        <mount>Sigma SA</mount>
        <cropfactor>1.523</cropfactor>
    </camera>
    <camera>
        <maker>Sigma</maker>
        <model>sd Quattro H</model>
        <mount>Sigma SA</mount>
        <cropfactor>1.346</cropfactor>
    </camera>
    <lens>
        <maker>Sigma</maker>
        <model>E 30mm f/2.8</model>
        <model lang="en">Sigma 30mm f/2.8 EX DN</model>
        <mount>Sony E</mount>
        <mount>Micro 4/3 System</mount>
        <cropfactor>1.534</cropfactor>
        <calibration>
            <!-- Taken with NEX-C3 -->
            <distortion model="poly3" focal="30" k1="-0.00329"/>
            <tca model="poly3" focal="30" br="-0.0000696" vr="1.0003379" bb="0.0001188" vb="0.9998102"/>
            <vignetting model="pa" focal="30" aperture="2.8" distance="10" k1="-0.7946" k2="0.5729" k3="-0.1713"/>
            <vignetting model="pa" focal="30" aperture="2.8" distance="1000" k1="-0.7946" k2="0.5729" k3="-0.1713"/>
            <vignetting model="pa" focal="30" aperture="4" distance="10" k1="-0.3097" k2="-0.3089" k3="0.2307"/>
            <vignetting model="pa" focal="30" aperture="4" distance="1000" k1="-0.3097" k2="-0.3089" k3="0.2307"/>
            <vignetting model="pa" focal="30" aperture="5.6" distance="10" k1="-0.6172" k2="0.5891" k3="-0.2868"/>
            <vignetting model="pa" focal="30" aperture="5.6" distance="1000" k1="-0.6172" k2="0.5891" k3="-0.2868"/>
        </calibration>
    </lens>
    <lens>
        <maker>Sigma</maker>
        <model>Sigma 30mm f/2.8 EX DN</model>
        <mount>Sony E</mount>
        <mount>Micro 4/3 System</mount>
        <cropfactor>2</cropfactor>
        <aspect-ratio>4:3</aspect-ratio>
        <calibration>
            <!-- Taken with OMD E-M5 -->
            <distortion model="poly3" focal="30" k1="-0.00454"/>
        </calibration>
    </lens>
    <lens>
        <maker>Sigma</maker>
        <model>Sigma 19mm f/2.8 EX DN</model>
        <mount>Sony E</mount>
        <mount>Micro 4/3 System</mount>
        <cropfactor>2</cropfactor>
        <aspect-ratio>4:3</aspect-ratio>
        <calibration>
            <!-- Taken with OMD E-M5 -->
            <distortion model="ptlens" focal="19" a="0.00475" b="-0.01706" c="0.00298"/>
        </calibration>
    </lens>
    <lens>
        <maker>Sigma</maker>
        <model>Sigma 19mm f/2.8 EX DN</model>
        <mount>Sony E</mount>
        <mount>Micro 4/3 System</mount>
        <cropfactor>1.534</cropfactor>
        <calibration>
            <!-- Taken with Sony A6000 -->
            <distortion model="ptlens" focal="19" a="0.02766" b="-0.0877" c="0.06882"/>
            <tca model="poly3" focal="19" br="-0.0000466" vr="1.0003817" bb="0.0000346" vb="1.0000194"/>
        </calibration>
    </lens>
    <lens>
        <maker>Sigma</maker>
        <model>Sigma 56mm F1.4 DC DN | C 018</model>
        <mount>Micro 4/3 System</mount>
        <cropfactor>2.0</cropfactor>
        <calibration>
            <!-- Taken with DMC-G81 -->
            <distortion model="ptlens" focal="56.0" a="-0.002" b="0.017" c="-0.005"/>
        </calibration>
    </lens>
    <lens>
        <maker>Sigma</maker>
        <model>Sigma 56mm F1.4 DC DN | Contemporary 018</model>
        <model lang="en">Sigma 56 mm F1.4 DC DN | C 018</model>
        <mount>Sony E</mount>
        <mount>Fujifilm X</mount>
        <mount>Leica L</mount>
        <mount>Canon EF-M</mount>
        <mount>Nikon Z</mount>
        <cropfactor>1.534</cropfactor>
        <calibration>
            <!-- Taken with Sony ILCE-6500 -->
            <distortion model="ptlens" focal="56.0" a="0.012824" b="-0.02162" c="0.033466"/>
            <tca model="poly3" focal="56.0" vr="1.0000748" vb="1.0000989"/>
            <vignetting model="pa" focal="56.0" aperture="1.4" distance="0.5" k1="-0.7617915" k2="-0.2842566" k3="0.3517673"/>
            <vignetting model="pa" focal="56.0" aperture="1.4" distance="1.0" k1="-1.2599018" k2="0.6688509" k3="-0.1574066"/>
            <vignetting model="pa" focal="56.0" aperture="1.4" distance="3.0" k1="-1.4304379" k2="1.0297080" k3="-0.3609099"/>
            <vignetting model="pa" focal="56.0" aperture="1.4" distance="1000" k1="-1.5310806" k2="1.2353243" k3="-0.4740154"/>
            <vignetting model="pa" focal="56.0" aperture="2.0" distance="0.5" k1="-0.4545413" k2="-0.0555093" k3="-0.0582896"/>
            <vignetting model="pa" focal="56.0" aperture="2.0" distance="1.0" k1="-0.1751893" k2="-0.8499541" k3="0.4167819"/>
            <vignetting model="pa" focal="56.0" aperture="2.0" distance="3.0" k1="-0.1051689" k2="-1.1044908" k3="0.5964616"/>
            <vignetting model="pa" focal="56.0" aperture="2.0" distance="1000" k1="-0.0850261" k2="-1.2336482" k3="0.7029672"/>
            <vignetting model="pa" focal="56.0" aperture="2.8" distance="0.5" k1="-0.5476358" k2="0.1865556" k3="-0.1089188"/>
            <vignetting model="pa" focal="56.0" aperture="2.8" distance="1.0" k1="-0.4632029" k2="0.2794120" k3="-0.3442801"/>
            <vignetting model="pa" focal="56.0" aperture="2.8" distance="3.0" k1="-0.3849199" k2="0.1365138" k3="-0.2983158"/>
            <vignetting model="pa" focal="56.0" aperture="2.8" distance="1000" k1="-0.3152439" k2="-0.0197118" k3="-0.2179661"/>
            <vignetting model="pa" focal="56.0" aperture="4.0" distance="0.5" k1="-0.5142415" k2="0.0504497" k3="0.0163124"/>
            <vignetting model="pa" focal="56.0" aperture="4.0" distance="1.0" k1="-0.4879529" k2="0.2565874" k3="-0.1991817"/>
            <vignetting model="pa" focal="56.0" aperture="4.0" distance="3.0" k1="-0.4959135" k2="0.4156037" k3="-0.3667059"/>
            <vignetting model="pa" focal="56.0" aperture="4.0" distance="1000" k1="-0.4801974" k2="0.4540767" k3="-0.4177425"/>
            <vignetting model="pa" focal="56.0" aperture="5.6" distance="0.5" k1="-0.5092325" k2="0.0427672" k3="0.0198384"/>
            <vignetting model="pa" focal="56.0" aperture="5.6" distance="1.0" k1="-0.4264325" k2="0.0174252" k3="0.0147301"/>
            <vignetting model="pa" focal="56.0" aperture="5.6" distance="3.0" k1="-0.3997585" k2="0.0152437" k3="0.0103796"/>
            <vignetting model="pa" focal="56.0" aperture="5.6" distance="1000" k1="-0.3831971" k2="0.0543898" k3="-0.0338622"/>
            <vignetting model="pa" focal="56.0" aperture="8.0" distance="0.5" k1="-0.5069897" k2="0.0324196" k3="0.0282197"/>
            <vignetting model="pa" focal="56.0" aperture="8.0" distance="1.0" k1="-0.4227668" k2="0.0085514" k3="0.0195588"/>
            <vignetting model="pa" focal="56.0" aperture="8.0" distance="3.0" k1="-0.3969181" k2="0.0098946" k3="0.0120176"/>
            <vignetting model="pa" focal="56.0" aperture="8.0" distance="1000" k1="-0.3673955" k2="0.0001789" k3="0.0089726"/>
            <vignetting model="pa" focal="56.0" aperture="11.0" distance="0.5" k1="-0.5074353" k2="0.0356608" k3="0.0248106"/>
            <vignetting model="pa" focal="56.0" aperture="11.0" distance="1.0" k1="-0.4266252" k2="0.0130895" k3="0.0178332"/>
            <vignetting model="pa" focal="56.0" aperture="11.0" distance="3.0" k1="-0.3982989" k2="0.0071010" k3="0.0145134"/>
            <vignetting model="pa" focal="56.0" aperture="11.0" distance="1000" k1="-0.3687077" k2="0.0044141" k3="0.0062580"/>
            <vignetting model="pa" focal="56.0" aperture="16.0" distance="0.5" k1="-0.5111051" k2="0.0422885" k3="0.0216736"/>
            <vignetting model="pa" focal="56.0" aperture="16.0" distance="1.0" k1="-0.4281609" k2="0.0140769" k3="0.0170270"/>
            <vignetting model="pa" focal="56.0" aperture="16.0" distance="3.0" k1="-0.3994304" k2="0.0067149" k3="0.0158997"/>
            <vignetting model="pa" focal="56.0" aperture="16.0" distance="1000" k1="-0.3633150" k2="-0.0160139" k3="0.0199640"/>
        </calibration>
    </lens>
    <lens>
        <maker>Sigma</maker>
        <model>Sigma 60mm f/2.8 DN</model>
        <mount>Sony E</mount>
        <mount>Micro 4/3 System</mount>
        <cropfactor>2</cropfactor>
        <aspect-ratio>4:3</aspect-ratio>
        <calibration>
            <!-- Taken with OMD E-M5 -->
            <distortion model="poly3" focal="60" k1="0.00275"/>
            <!-- No measurable TCA -->
            <tca model="poly3" focal="60"/>
        </calibration>
    </lens>
    <lens>
        <!-- Identifies itself at Sony cameras as “E 60mm F2.8”. -->
        <maker>Sigma</maker>
        <model>Sigma 60mm f/2.8 DN</model>
        <mount>Sony E</mount>
        <mount>Micro 4/3 System</mount>
        <cropfactor>1.534</cropfactor>
        <calibration>
            <!-- Taken with ILCE-6000 Alpha 6000 -->
            <distortion model="ptlens" focal="60" a="-0.00009308" b="-0.000526315" c="0.0120559"/>
            <tca model="poly3" focal="60" vr="0.9999531" vb="1.0000223"/>
            <vignetting model="pa" focal="60" aperture="2.8" distance="10" k1="-0.6640" k2="0.3253" k3="-0.0355"/>
            <vignetting model="pa" focal="60" aperture="2.8" distance="1000" k1="-0.6640" k2="0.3253" k3="-0.0355"/>
            <vignetting model="pa" focal="60" aperture="3.2" distance="10" k1="-0.3209" k2="-0.2241" k3="0.2368"/>
            <vignetting model="pa" focal="60" aperture="3.2" distance="1000" k1="-0.3209" k2="-0.2241" k3="0.2368"/>
            <vignetting model="pa" focal="60" aperture="3.5" distance="10" k1="-0.1184" k2="-0.5010" k3="0.3303"/>
            <vignetting model="pa" focal="60" aperture="3.5" distance="1000" k1="-0.1184" k2="-0.5010" k3="0.3303"/>
            <vignetting model="pa" focal="60" aperture="4" distance="10" k1="-0.1262" k2="-0.2162" k3="0.1169"/>
            <vignetting model="pa" focal="60" aperture="4" distance="1000" k1="-0.1262" k2="-0.2162" k3="0.1169"/>
            <vignetting model="pa" focal="60" aperture="4.5" distance="10" k1="-0.2177" k2="0.2018" k3="-0.1577"/>
            <vignetting model="pa" focal="60" aperture="4.5" distance="1000" k1="-0.2177" k2="0.2018" k3="-0.1577"/>
            <vignetting model="pa" focal="60" aperture="5" distance="10" k1="-0.2179" k2="0.2126" k3="-0.2123"/>
            <vignetting model="pa" focal="60" aperture="5" distance="1000" k1="-0.2179" k2="0.2126" k3="-0.2123"/>
            <vignetting model="pa" focal="60" aperture="5.6" distance="10" k1="-0.2117" k2="0.1512" k3="-0.1221"/>
            <vignetting model="pa" focal="60" aperture="5.6" distance="1000" k1="-0.2117" k2="0.1512" k3="-0.1221"/>
            <vignetting model="pa" focal="60" aperture="6.3" distance="10" k1="-0.1922" k2="0.0544" k3="-0.0240"/>
            <vignetting model="pa" focal="60" aperture="6.3" distance="1000" k1="-0.1922" k2="0.0544" k3="-0.0240"/>
            <vignetting model="pa" focal="60" aperture="7.1" distance="10" k1="-0.2025" k2="0.0653" k3="-0.0249"/>
            <vignetting model="pa" focal="60" aperture="7.1" distance="1000" k1="-0.2025" k2="0.0653" k3="-0.0249"/>
            <vignetting model="pa" focal="60" aperture="8" distance="10" k1="-0.2134" k2="0.0830" k3="-0.0355"/>
            <vignetting model="pa" focal="60" aperture="8" distance="1000" k1="-0.2134" k2="0.0830" k3="-0.0355"/>
            <vignetting model="pa" focal="60" aperture="9" distance="10" k1="-0.2114" k2="0.0690" k3="-0.0256"/>
            <vignetting model="pa" focal="60" aperture="9" distance="1000" k1="-0.2114" k2="0.0690" k3="-0.0256"/>
            <vignetting model="pa" focal="60" aperture="10" distance="10" k1="-0.1979" k2="0.0283" k3="-0.0013"/>
            <vignetting model="pa" focal="60" aperture="10" distance="1000" k1="-0.1979" k2="0.0283" k3="-0.0013"/>
            <vignetting model="pa" focal="60" aperture="11" distance="10" k1="-0.1825" k2="-0.0147" k3="0.0267"/>
            <vignetting model="pa" focal="60" aperture="11" distance="1000" k1="-0.1825" k2="-0.0147" k3="0.0267"/>
            <vignetting model="pa" focal="60" aperture="22" distance="10" k1="-0.0984" k2="-0.2008" k3="0.1171"/>
            <vignetting model="pa" focal="60" aperture="22" distance="1000" k1="-0.0984" k2="-0.2008" k3="0.1171"/>
        </calibration>
    </lens>
    <lens>
        <!-- Identifies itself at Sony cameras as “E 19mm F2.8”. -->
        <maker>Sigma</maker>
        <model>Sigma 19mm f/2.8 DN</model>
        <mount>Sony E</mount>
        <mount>Micro 4/3 System</mount>
        <cropfactor>1.534</cropfactor>
        <calibration>
            <!-- Taken with Sony A6000 -->
            <distortion model="ptlens" focal="19" a="0.015" b="-0.046" c="0.024"/>
            <tca model="poly3" focal="19" br="-0.0000429" vr="1.0002002" bb="0.0000600" vb="0.9999543"/>
            <vignetting model="pa" focal="19" aperture="2.8" distance="10" k1="-0.9506" k2="0.8975" k3="-0.3905"/>
            <vignetting model="pa" focal="19" aperture="2.8" distance="1000" k1="-0.9506" k2="0.8975" k3="-0.3905"/>
            <vignetting model="pa" focal="19" aperture="4" distance="10" k1="-0.4777" k2="-0.1800" k3="0.2351"/>
            <vignetting model="pa" focal="19" aperture="4" distance="1000" k1="-0.4777" k2="-0.1800" k3="0.2351"/>
            <vignetting model="pa" focal="19" aperture="8" distance="10" k1="-0.4955" k2="0.3092" k3="-0.1559"/>
            <vignetting model="pa" focal="19" aperture="8" distance="1000" k1="-0.4955" k2="0.3092" k3="-0.1559"/>
            <vignetting model="pa" focal="19" aperture="13" distance="10" k1="-0.4758" k2="0.2070" k3="-0.0488"/>
            <vignetting model="pa" focal="19" aperture="13" distance="1000" k1="-0.4758" k2="0.2070" k3="-0.0488"/>
            <vignetting model="pa" focal="19" aperture="18" distance="10" k1="-0.4840" k2="0.2244" k3="-0.0602"/>
            <vignetting model="pa" focal="19" aperture="18" distance="1000" k1="-0.4840" k2="0.2244" k3="-0.0602"/>
            <vignetting model="pa" focal="19" aperture="22" distance="10" k1="-0.4849" k2="0.2236" k3="-0.0597"/>
            <vignetting model="pa" focal="19" aperture="22" distance="1000" k1="-0.4849" k2="0.2236" k3="-0.0597"/>
        </calibration>
    </lens>
    <lens>
        <maker>Sigma</maker>
        <model>Sigma 19mm f/2.8 DN</model>
        <mount>Micro 4/3 System</mount>
        <mount>Sony E</mount>
        <cropfactor>2</cropfactor>
        <aspect-ratio>4:3</aspect-ratio>
        <calibration>
            <!-- Taken with OMD E-PL3 -->
            <distortion model="poly3" focal="19" k1="-0.00656"/>
            <tca model="poly3" focal="19" br="0.0000179" vr="1.0004833" bb="0.0000497" vb="0.9999659"/>
            <vignetting model="pa" focal="19" aperture="2.8" distance="10" k1="-0.8505" k2="0.7338" k3="-0.3257"/>
            <vignetting model="pa" focal="19" aperture="2.8" distance="1000" k1="-0.8505" k2="0.7338" k3="-0.3257"/>
            <vignetting model="pa" focal="19" aperture="3.2" distance="10" k1="-0.8111" k2="0.5574" k3="-0.2042"/>
            <vignetting model="pa" focal="19" aperture="3.2" distance="1000" k1="-0.8111" k2="0.5574" k3="-0.2042"/>
            <vignetting model="pa" focal="19" aperture="3.5" distance="10" k1="-0.4141" k2="-0.2053" k3="0.2060"/>
            <vignetting model="pa" focal="19" aperture="3.5" distance="1000" k1="-0.4141" k2="-0.2053" k3="0.2060"/>
            <vignetting model="pa" focal="19" aperture="4" distance="10" k1="-0.2906" k2="-0.2445" k3="0.1612"/>
            <vignetting model="pa" focal="19" aperture="4" distance="1000" k1="-0.2906" k2="-0.2445" k3="0.1612"/>
            <vignetting model="pa" focal="19" aperture="4.5" distance="10" k1="-0.3708" k2="0.0713" k3="-0.0506"/>
            <vignetting model="pa" focal="19" aperture="4.5" distance="1000" k1="-0.3708" k2="0.0713" k3="-0.0506"/>
            <vignetting model="pa" focal="19" aperture="5" distance="10" k1="-0.4144" k2="0.1900" k3="-0.0941"/>
            <vignetting model="pa" focal="19" aperture="5" distance="1000" k1="-0.4144" k2="0.1900" k3="-0.0941"/>
            <vignetting model="pa" focal="19" aperture="5.6" distance="10" k1="-0.3772" k2="0.0907" k3="-0.0155"/>
            <vignetting model="pa" focal="19" aperture="5.6" distance="1000" k1="-0.3772" k2="0.0907" k3="-0.0155"/>
            <vignetting model="pa" focal="19" aperture="6.3" distance="10" k1="-0.3456" k2="0.0248" k3="0.0258"/>
            <vignetting model="pa" focal="19" aperture="6.3" distance="1000" k1="-0.3456" k2="0.0248" k3="0.0258"/>
            <vignetting model="pa" focal="19" aperture="22" distance="10" k1="-0.4123" k2="0.1070" k3="-0.0016"/>
            <vignetting model="pa" focal="19" aperture="22" distance="1000" k1="-0.4123" k2="0.1070" k3="-0.0016"/>
        </calibration>
    </lens>
    <lens>
        <maker>Sigma</maker>
        <model>SIGMA 30mm f/1.4 DC DN | Contemporary C 016</model>
        <model lang="en">30mm f/1.4 DC DN</model>
        <mount>Sony E</mount>
        <mount>Micro 4/3 System</mount>
        <mount>Nikon Z</mount>
        <cropfactor>1.534</cropfactor>
        <calibration>
            <!-- Taken with Sony 6000 (ILCE-6000) -->
            <distortion model="ptlens" focal="30" a="-0.00399" b="-0.00701" c="-0.00069"/>
            <tca model="poly3" focal="30" br="-0.0000662" vr="1.0002242" bb="0.0001122" vb="0.9999295"/>
            <vignetting model="pa" focal="30" aperture="1.4" distance="10" k1="-0.7397" k2="0.2898" k3="-0.0725"/>
            <vignetting model="pa" focal="30" aperture="1.4" distance="1000" k1="-0.7397" k2="0.2898" k3="-0.0725"/>
            <vignetting model="pa" focal="30" aperture="2" distance="10" k1="-0.0294" k2="-0.7454" k3="0.3732"/>
            <vignetting model="pa" focal="30" aperture="2" distance="1000" k1="-0.0294" k2="-0.7454" k3="0.3732"/>
            <vignetting model="pa" focal="30" aperture="2.8" distance="10" k1="-0.2530" k2="0.3830" k3="-0.3861"/>
            <vignetting model="pa" focal="30" aperture="2.8" distance="1000" k1="-0.2530" k2="0.3830" k3="-0.3861"/>
            <vignetting model="pa" focal="30" aperture="4" distance="10" k1="-0.2194" k2="0.1395" k3="-0.0720"/>
            <vignetting model="pa" focal="30" aperture="4" distance="1000" k1="-0.2194" k2="0.1395" k3="-0.0720"/>
            <vignetting model="pa" focal="30" aperture="8" distance="10" k1="-0.2137" k2="0.1051" k3="-0.0333"/>
            <vignetting model="pa" focal="30" aperture="8" distance="1000" k1="-0.2137" k2="0.1051" k3="-0.0333"/>
            <vignetting model="pa" focal="30" aperture="13" distance="10" k1="-0.2189" k2="0.1170" k3="-0.0418"/>
            <vignetting model="pa" focal="30" aperture="13" distance="1000" k1="-0.2189" k2="0.1170" k3="-0.0418"/>
            <vignetting model="pa" focal="30" aperture="16" distance="10" k1="-0.2179" k2="0.1129" k3="-0.0401"/>
            <vignetting model="pa" focal="30" aperture="16" distance="1000" k1="-0.2179" k2="0.1129" k3="-0.0401"/>
        </calibration>
    </lens>
    <lens>
        <maker>Sigma</maker>
        <model>Sigma 16mm f/1.4 DC DN | Contemporary C 017</model>
        <model lang="en">Sigma 16mm f/1.4 DC DN C</model>
        <mount>Micro 4/3 System</mount>
        <mount>Sony E</mount>
        <cropfactor>2</cropfactor>
        <aspect-ratio>4:3</aspect-ratio>
        <calibration>
            <!-- taken with Olympus E-M1 mkII -->
            <distortion model="poly3" focal="16" k1="-0.010858"/>
            <tca model="poly3" focal="16" vr="1.0002659" vb="0.9999555"/>
        </calibration>
    </lens>
    <lens>
        <maker>Sigma</maker>
        <model>Sigma 16mm f/1.4 DC DN | Contemporary 017</model>
        <model lang="en">Sigma 16mm f/1.4 DC DN Contemporary</model>
        <mount>Micro 4/3 System</mount>
        <mount>Sony E</mount>
        <mount>Fujifilm X</mount>
        <mount>Leica L</mount>
        <mount>Canon EF-M</mount>
        <mount>Nikon Z</mount>
        <cropfactor>1.534</cropfactor>
        <calibration>
            <!-- Taken with Fujifilm X-M1 -->
            <distortion model="ptlens" focal="16.0" a="0.013" b="-0.039" c="0.003"/>
            <tca model="poly3" focal="16.0" vr="1.0003234" vb="0.9999389"/>
            <!-- Taken with Sony 6000 (ILCE-6000) -->
            <vignetting model="pa" focal="16.0" aperture="1.4" distance="0.25" k1="-1.3351298" k2="1.0079795" k3="-0.3630246"/>
            <vignetting model="pa" focal="16.0" aperture="1.4" distance="0.5" k1="-1.1789405" k2="0.7793190" k3="-0.2749864"/>
            <vignetting model="pa" focal="16.0" aperture="1.4" distance="1.0" k1="-1.2062450" k2="0.8384845" k3="-0.3171608"/>
            <vignetting model="pa" focal="16.0" aperture="1.4" distance="2.0" k1="-1.1754789" k2="0.7601230" k3="-0.2663880"/>
            <vignetting model="pa" focal="16.0" aperture="1.4" distance="1000" k1="-1.1712570" k2="0.6027091" k3="-0.1399442"/>
            <vignetting model="pa" focal="16.0" aperture="2.0" distance="0.25" k1="-0.5660198" k2="0.2466625" k3="-0.1733296"/>
            <vignetting model="pa" focal="16.0" aperture="2.0" distance="0.5" k1="-0.3939919" k2="0.1081809" k3="-0.1657648"/>
            <vignetting model="pa" focal="16.0" aperture="2.0" distance="1.0" k1="-0.3497846" k2="-0.0781690" k3="-0.0335128"/>
            <vignetting model="pa" focal="16.0" aperture="2.0" distance="2.0" k1="-0.3909396" k2="0.0551684" k3="-0.1267538"/>
            <vignetting model="pa" focal="16.0" aperture="2.0" distance="1000" k1="-0.5260863" k2="0.1708677" k3="-0.1630780"/>
            <vignetting model="pa" focal="16.0" aperture="2.8" distance="0.25" k1="-0.5439924" k2="0.1407328" k3="-0.0111768"/>
            <vignetting model="pa" focal="16.0" aperture="2.8" distance="0.5" k1="-0.4052626" k2="0.0670818" k3="-0.0237506"/>
            <vignetting model="pa" focal="16.0" aperture="2.8" distance="1.0" k1="-0.4259883" k2="0.0461216" k3="0.0093171"/>
            <vignetting model="pa" focal="16.0" aperture="2.8" distance="2.0" k1="-0.4215825" k2="0.0697201" k3="-0.0185600"/>
            <vignetting model="pa" focal="16.0" aperture="2.8" distance="1000" k1="-0.5227635" k2="0.0867790" k3="0.0192422"/>
            <vignetting model="pa" focal="16.0" aperture="4.0" distance="0.25" k1="-0.3727854" k2="0.0308962" k3="0.0052934"/>
            <vignetting model="pa" focal="16.0" aperture="4.0" distance="0.5" k1="-0.4435620" k2="0.1069480" k3="-0.0378320"/>
            <vignetting model="pa" focal="16.0" aperture="4.0" distance="1.0" k1="-0.4781851" k2="0.1420835" k3="-0.0457931"/>
            <vignetting model="pa" focal="16.0" aperture="4.0" distance="2.0" k1="-0.4694624" k2="0.1182855" k3="-0.0317389"/>
            <vignetting model="pa" focal="16.0" aperture="4.0" distance="1000" k1="-0.3693579" k2="0.0527461" k3="-0.0191890"/>
            <vignetting model="pa" focal="16.0" aperture="16.0" distance="0.25" k1="-0.3262812" k2="-0.0858100" k3="0.0779208"/>
            <vignetting model="pa" focal="16.0" aperture="16.0" distance="0.5" k1="-0.4701992" k2="0.1366412" k3="-0.0522549"/>
            <vignetting model="pa" focal="16.0" aperture="16.0" distance="1.0" k1="-0.4331538" k2="0.0540982" k3="-0.0050641"/>
            <vignetting model="pa" focal="16.0" aperture="16.0" distance="2.0" k1="-0.4592304" k2="0.1110624" k3="-0.0376296"/>
            <vignetting model="pa" focal="16.0" aperture="16.0" distance="1000" k1="-0.3579104" k2="-0.0124186" k3="0.0314276"/>
        </calibration>
    </lens>
    <lens>
        <maker>Sigma</maker>
        <model>105mm F1.4 DG HSM | Art 018</model>
        <model lang="en">Sigma 105 mm F1.4 DG HSM Art</model>
        <mount>Sony E</mount>
        <mount>Canon EF</mount>
        <mount>Leica L</mount>
        <mount>Nikon F AF</mount>
        <mount>Sigma SA</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="105" a="0.0014406142874951258" b="-0.00614583454138938" c="0.0127487278055209"/>
            <tca model="poly3" focal="105" vr="0.9999963" vb="1.0000321"/>
            <vignetting model="pa" focal="105" aperture="1.4" distance="0.94" k1="-0.6216" k2="0.2295" k3="-0.0333"/>
            <vignetting model="pa" focal="105" aperture="1.4" distance="1.24" k1="-0.7525" k2="0.3478" k3="-0.0853"/>
            <vignetting model="pa" focal="105" aperture="1.4" distance="1.86" k1="-0.9692" k2="0.6186" k3="-0.2043"/>
            <vignetting model="pa" focal="105" aperture="1.4" distance="3.32" k1="-1.2254" k2="1.0427" k3="-0.4294"/>
            <vignetting model="pa" focal="105" aperture="1.4" distance="10.47" k1="-1.3994" k2="1.3324" k3="-0.5880"/>
            <vignetting model="pa" focal="105" aperture="1.4" distance="1000" k1="-1.4603" k2="1.3914" k3="-0.6134"/>
            <vignetting model="pa" focal="105" aperture="2" distance="0.94" k1="-0.1032" k2="-0.1026" k3="-0.0040"/>
            <vignetting model="pa" focal="105" aperture="2" distance="1.24" k1="-0.1242" k2="-0.0799" k3="-0.0255"/>
            <vignetting model="pa" focal="105" aperture="2" distance="1.86" k1="-0.1390" k2="-0.0582" k3="-0.0885"/>
            <vignetting model="pa" focal="105" aperture="2" distance="3.32" k1="-0.0949" k2="-0.2848" k3="0.0315"/>
            <vignetting model="pa" focal="105" aperture="2" distance="10.47" k1="-0.0734" k2="-0.5248" k3="0.1920"/>
            <vignetting model="pa" focal="105" aperture="2" distance="1000" k1="-0.1010" k2="-0.6476" k3="0.2937"/>
            <vignetting model="pa" focal="105" aperture="2.8" distance="0.94" k1="-0.1403" k2="-0.0137" k3="0.0203"/>
            <vignetting model="pa" focal="105" aperture="2.8" distance="1.24" k1="-0.1526" k2="-0.0205" k3="0.0263"/>
            <vignetting model="pa" focal="105" aperture="2.8" distance="1.86" k1="-0.1660" k2="-0.0276" k3="0.0317"/>
            <vignetting model="pa" focal="105" aperture="2.8" distance="3.32" k1="-0.1794" k2="-0.0370" k3="0.0391"/>
            <vignetting model="pa" focal="105" aperture="2.8" distance="10.47" k1="-0.2220" k2="0.0677" k3="-0.0582"/>
            <vignetting model="pa" focal="105" aperture="2.8" distance="1000" k1="-0.2466" k2="0.1354" k3="-0.1548"/>
            <vignetting model="pa" focal="105" aperture="4" distance="0.94" k1="-0.1260" k2="-0.0460" k3="0.0430"/>
            <vignetting model="pa" focal="105" aperture="4" distance="1.24" k1="-0.1443" k2="-0.0355" k3="0.0354"/>
            <vignetting model="pa" focal="105" aperture="4" distance="1.86" k1="-0.1606" k2="-0.0361" k3="0.0379"/>
            <vignetting model="pa" focal="105" aperture="4" distance="3.32" k1="-0.1771" k2="-0.0374" k3="0.0403"/>
            <vignetting model="pa" focal="105" aperture="4" distance="10.47" k1="-0.1942" k2="-0.0346" k3="0.0387"/>
            <vignetting model="pa" focal="105" aperture="4" distance="1000" k1="-0.2091" k2="-0.0378" k3="0.0433"/>
            <vignetting model="pa" focal="105" aperture="5.6" distance="0.94" k1="-0.1078" k2="-0.0813" k3="0.0621"/>
            <vignetting model="pa" focal="105" aperture="5.6" distance="1.24" k1="-0.1260" k2="-0.0712" k3="0.0565"/>
            <vignetting model="pa" focal="105" aperture="5.6" distance="1.86" k1="-0.1461" k2="-0.0596" k3="0.0495"/>
            <vignetting model="pa" focal="105" aperture="5.6" distance="3.32" k1="-0.1641" k2="-0.0574" k3="0.0500"/>
            <vignetting model="pa" focal="105" aperture="5.6" distance="10.47" k1="-0.1827" k2="-0.0521" k3="0.0479"/>
            <vignetting model="pa" focal="105" aperture="5.6" distance="1000" k1="-0.1957" k2="-0.0546" k3="0.0494"/>
            <vignetting model="pa" focal="105" aperture="8" distance="0.94" k1="-0.0942" k2="-0.1076" k3="0.0776"/>
            <vignetting model="pa" focal="105" aperture="8" distance="1.24" k1="-0.1139" k2="-0.0899" k3="0.0656"/>
            <vignetting model="pa" focal="105" aperture="8" distance="1.86" k1="-0.1319" k2="-0.0766" k3="0.0553"/>
            <vignetting model="pa" focal="105" aperture="8" distance="3.32" k1="-0.1481" k2="-0.0865" k3="0.0666"/>
            <vignetting model="pa" focal="105" aperture="8" distance="10.47" k1="-0.1640" k2="-0.0894" k3="0.0705"/>
            <vignetting model="pa" focal="105" aperture="8" distance="1000" k1="-0.1822" k2="-0.0811" k3="0.0657"/>
            <vignetting model="pa" focal="105" aperture="16" distance="0.94" k1="-0.0756" k2="-0.1476" k3="0.1028"/>
            <vignetting model="pa" focal="105" aperture="16" distance="1.24" k1="-0.0975" k2="-0.1165" k3="0.0769"/>
            <vignetting model="pa" focal="105" aperture="16" distance="1.86" k1="-0.1088" k2="-0.1287" k3="0.0870"/>
            <vignetting model="pa" focal="105" aperture="16" distance="3.32" k1="-0.1233" k2="-0.1373" k3="0.0969"/>
            <vignetting model="pa" focal="105" aperture="16" distance="10.47" k1="-0.1476" k2="-0.1114" k3="0.0795"/>
            <vignetting model="pa" focal="105" aperture="16" distance="1000" k1="-0.1649" k2="-0.1053" k3="0.0771"/>
        </calibration>
    </lens>
    <lens>
        <maker>Sigma</maker>
        <model>35mm F1.2 DG DN | Art 019</model>
        <mount>Sony E</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="35" a="-0.00036252595632404257" b="-0.010365850618003318" c="0.00024978328908901364"/>
            <tca model="poly3" focal="35" vr="1.0000559" vb="1.0000748"/>
            <vignetting model="pa" focal="35" aperture="1.2" distance="0.21" k1="-1.1670" k2="0.5109" k3="-0.0680"/>
            <vignetting model="pa" focal="35" aperture="1.2" distance="0.24" k1="-1.3674" k2="0.8452" k3="-0.2326"/>
            <vignetting model="pa" focal="35" aperture="1.2" distance="0.33" k1="-1.5691" k2="1.2082" k3="-0.4215"/>
            <vignetting model="pa" focal="35" aperture="1.2" distance="0.51" k1="-1.7405" k2="1.5250" k3="-0.5894"/>
            <vignetting model="pa" focal="35" aperture="1.2" distance="0.65" k1="-1.8030" k2="1.6391" k3="-0.6495"/>
            <vignetting model="pa" focal="35" aperture="1.2" distance="1.15" k1="-1.8742" k2="1.7627" k3="-0.7120"/>
            <vignetting model="pa" focal="35" aperture="1.2" distance="2" k1="-1.9086" k2="1.8253" k3="-0.7464"/>
            <vignetting model="pa" focal="35" aperture="1.2" distance="5.36" k1="-1.9334" k2="1.8661" k3="-0.7668"/>
            <vignetting model="pa" focal="35" aperture="1.2" distance="1000" k1="-1.9857" k2="1.9445" k3="-0.8027"/>
            <vignetting model="pa" focal="35" aperture="1.4" distance="0.21" k1="-0.9376" k2="0.1167" k3="0.1193"/>
            <vignetting model="pa" focal="35" aperture="1.4" distance="0.24" k1="-0.8986" k2="-0.0878" k3="0.2684"/>
            <vignetting model="pa" focal="35" aperture="1.4" distance="0.33" k1="-1.0164" k2="0.0360" k3="0.2350"/>
            <vignetting model="pa" focal="35" aperture="1.4" distance="0.51" k1="-1.0669" k2="0.0547" k3="0.2486"/>
            <vignetting model="pa" focal="35" aperture="1.4" distance="0.65" k1="-1.2177" k2="0.3384" k3="0.1002"/>
            <vignetting model="pa" focal="35" aperture="1.4" distance="1.15" k1="-1.2258" k2="0.3174" k3="0.1212"/>
            <vignetting model="pa" focal="35" aperture="1.4" distance="2" k1="-1.2556" k2="0.3614" k3="0.1012"/>
            <vignetting model="pa" focal="35" aperture="1.4" distance="5.36" k1="-1.2569" k2="0.3487" k3="0.1119"/>
            <vignetting model="pa" focal="35" aperture="1.4" distance="1000" k1="-1.3524" k2="0.5151" k3="0.0276"/>
            <vignetting model="pa" focal="35" aperture="2" distance="0.21" k1="-0.3247" k2="-0.1500" k3="-0.0226"/>
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            <vignetting model="pa" focal="35" aperture="2" distance="1.15" k1="-0.2835" k2="-0.5836" k3="0.2468"/>
            <vignetting model="pa" focal="35" aperture="2" distance="2" k1="-0.2758" k2="-0.6597" k3="0.3042"/>
            <vignetting model="pa" focal="35" aperture="2" distance="5.36" k1="-0.2814" k2="-0.6705" k3="0.3157"/>
            <vignetting model="pa" focal="35" aperture="2" distance="1000" k1="-0.2973" k2="-0.7438" k3="0.3857"/>
            <vignetting model="pa" focal="35" aperture="2.8" distance="0.21" k1="-0.4098" k2="0.1106" k3="-0.0700"/>
            <vignetting model="pa" focal="35" aperture="2.8" distance="0.24" k1="-0.4322" k2="0.1255" k3="-0.0726"/>
            <vignetting model="pa" focal="35" aperture="2.8" distance="0.33" k1="-0.4559" k2="0.1408" k3="-0.0743"/>
            <vignetting model="pa" focal="35" aperture="2.8" distance="0.51" k1="-0.4943" k2="0.2230" k3="-0.1386"/>
            <vignetting model="pa" focal="35" aperture="2.8" distance="0.65" k1="-0.5130" k2="0.2674" k3="-0.1775"/>
            <vignetting model="pa" focal="35" aperture="2.8" distance="1.15" k1="-0.5306" k2="0.3036" k3="-0.2128"/>
            <vignetting model="pa" focal="35" aperture="2.8" distance="2" k1="-0.5393" k2="0.3210" k3="-0.2319"/>
            <vignetting model="pa" focal="35" aperture="2.8" distance="5.36" k1="-0.5435" k2="0.3225" k3="-0.2359"/>
            <vignetting model="pa" focal="35" aperture="2.8" distance="1000" k1="-0.5572" k2="0.3304" k3="-0.2585"/>
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            <vignetting model="pa" focal="35" aperture="16" distance="1000" k1="-0.4839" k2="0.0012" k3="0.0945"/>
        </calibration>
    </lens>
    <lens>
        <maker>Sigma</maker>
        <model>14-24mm F2.8 DG DN | Art 019</model>
        <mount>Sony E</mount>
        <mount>Leica L</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="14" a="0.0494500274128515" b="-0.176286257666241" c="0.158087525693153"/>
            <distortion model="ptlens" focal="14.6" a="0.024836080969686855" b="-0.0822062660046383" c="0.04972960282491836"/>
            <distortion model="ptlens" focal="16" a="0.010514195238123338" b="-0.035679771218967905" c="0.016938129485502187"/>
            <distortion model="ptlens" focal="17.9" a="0.005548001903397407" b="-0.01887339254425693" c="0.01585699409776917"/>
            <distortion model="ptlens" focal="19.9" a="0.011883331239485933" b="-0.04080268066113266" c="0.04855184618564448"/>
            <distortion model="ptlens" focal="21.9" a="-0.005293138624273413" b="0.022010634763157018" c="-0.019051723157141976"/>
            <distortion model="ptlens" focal="23" a="0.010020343161953861" b="-0.03128807282211671" c="0.04294403444774262"/>
            <distortion model="ptlens" focal="24" a="-0.0010068611828681" b="0.0088256386174715" c="-0.00475936480430048"/>
            <tca model="poly3" focal="14" vr="1.0000598" vb="0.9999737"/>
            <tca model="poly3" focal="14.6" vr="1.0000815" vb="0.9999614"/>
            <tca model="poly3" focal="16" vr="1.0000615" vb="0.9999934"/>
            <tca model="poly3" focal="17.9" vr="1.0000464" vb="1.0000169"/>
            <tca model="poly3" focal="17.9" vr="1.0000522" vb="1.0000190"/>
            <tca model="poly3" focal="19.9" vr="1.0000563" vb="1.0000095"/>
            <tca model="poly3" focal="21.9" vr="1.0000667" vb="0.9999975"/>
            <tca model="poly3" focal="23" vr="1.0000778" vb="0.9999804"/>
            <!-- Taken with Sony ILCE-7RM4 -->
            <vignetting model="pa" focal="14" aperture="2.8" distance="10" k1="-1.9470" k2="1.7903" k3="-0.6810"/>
            <vignetting model="pa" focal="14" aperture="2.8" distance="1000" k1="-1.9470" k2="1.7903" k3="-0.6810"/>
            <vignetting model="pa" focal="14" aperture="4" distance="10" k1="-1.2381" k2="0.3091" k3="0.1456"/>
            <vignetting model="pa" focal="14" aperture="4" distance="1000" k1="-1.2381" k2="0.3091" k3="0.1456"/>
            <vignetting model="pa" focal="14" aperture="5.6" distance="10" k1="-0.9754" k2="0.1049" k3="0.0986"/>
            <vignetting model="pa" focal="14" aperture="5.6" distance="1000" k1="-0.9754" k2="0.1049" k3="0.0986"/>
            <vignetting model="pa" focal="14" aperture="8" distance="10" k1="-1.1454" k2="0.9128" k3="-0.5264"/>
            <vignetting model="pa" focal="14" aperture="8" distance="1000" k1="-1.1454" k2="0.9128" k3="-0.5264"/>
            <vignetting model="pa" focal="14" aperture="22" distance="10" k1="-1.2929" k2="1.3535" k3="-0.6851"/>
            <vignetting model="pa" focal="14" aperture="22" distance="1000" k1="-1.2929" k2="1.3535" k3="-0.6851"/>
            <vignetting model="pa" focal="16" aperture="22" distance="10" k1="-1.1632" k2="1.0574" k3="-0.4591"/>
            <vignetting model="pa" focal="16" aperture="22" distance="1000" k1="-1.1632" k2="1.0574" k3="-0.4591"/>
            <vignetting model="pa" focal="16" aperture="2.8" distance="10" k1="-1.6584" k2="1.2676" k3="-0.4015"/>
            <vignetting model="pa" focal="16" aperture="2.8" distance="1000" k1="-1.6584" k2="1.2676" k3="-0.4015"/>
            <vignetting model="pa" focal="16" aperture="5.6" distance="10" k1="-0.9639" k2="0.4454" k3="-0.1793"/>
            <vignetting model="pa" focal="16" aperture="5.6" distance="1000" k1="-0.9639" k2="0.4454" k3="-0.1793"/>
            <vignetting model="pa" focal="16" aperture="8" distance="10" k1="-1.1602" k2="1.1415" k3="-0.6423"/>
            <vignetting model="pa" focal="16" aperture="8" distance="1000" k1="-1.1602" k2="1.1415" k3="-0.6423"/>
            <vignetting model="pa" focal="16" aperture="4" distance="10" k1="-1.0077" k2="0.0741" k3="0.2093"/>
            <vignetting model="pa" focal="16" aperture="4" distance="1000" k1="-1.0077" k2="0.0741" k3="0.2093"/>
            <vignetting model="pa" focal="18" aperture="5.6" distance="10" k1="-0.9351" k2="0.6236" k3="-0.2975"/>
            <vignetting model="pa" focal="18" aperture="5.6" distance="1000" k1="-0.9351" k2="0.6236" k3="-0.2975"/>
            <vignetting model="pa" focal="18" aperture="8" distance="10" k1="-1.0382" k2="0.8964" k3="-0.4068"/>
            <vignetting model="pa" focal="18" aperture="8" distance="1000" k1="-1.0382" k2="0.8964" k3="-0.4068"/>
            <vignetting model="pa" focal="18" aperture="2.8" distance="10" k1="-1.4400" k2="0.8704" k3="-0.1784"/>
            <vignetting model="pa" focal="18" aperture="2.8" distance="1000" k1="-1.4400" k2="0.8704" k3="-0.1784"/>
            <vignetting model="pa" focal="18" aperture="4" distance="10" k1="-0.8548" k2="-0.0222" k3="0.2185"/>
            <vignetting model="pa" focal="18" aperture="4" distance="1000" k1="-0.8548" k2="-0.0222" k3="0.2185"/>
            <vignetting model="pa" focal="18" aperture="22" distance="10" k1="-1.0125" k2="0.7799" k3="-0.2896"/>
            <vignetting model="pa" focal="18" aperture="22" distance="1000" k1="-1.0125" k2="0.7799" k3="-0.2896"/>
            <vignetting model="pa" focal="20" aperture="4" distance="10" k1="-0.7625" k2="0.0290" k3="0.1177"/>
            <vignetting model="pa" focal="20" aperture="4" distance="1000" k1="-0.7625" k2="0.0290" k3="0.1177"/>
            <vignetting model="pa" focal="20" aperture="5.6" distance="10" k1="-0.9060" k2="0.7236" k3="-0.3667"/>
            <vignetting model="pa" focal="20" aperture="5.6" distance="1000" k1="-0.9060" k2="0.7236" k3="-0.3667"/>
            <vignetting model="pa" focal="20" aperture="8" distance="10" k1="-0.9081" k2="0.6606" k3="-0.2630"/>
            <vignetting model="pa" focal="20" aperture="8" distance="1000" k1="-0.9081" k2="0.6606" k3="-0.2630"/>
            <vignetting model="pa" focal="20" aperture="22" distance="10" k1="-0.9194" k2="0.6831" k3="-0.2774"/>
            <vignetting model="pa" focal="20" aperture="22" distance="1000" k1="-0.9194" k2="0.6831" k3="-0.2774"/>
            <vignetting model="pa" focal="20" aperture="2.8" distance="10" k1="-1.4230" k2="0.9125" k3="-0.2202"/>
            <vignetting model="pa" focal="20" aperture="2.8" distance="1000" k1="-1.4230" k2="0.9125" k3="-0.2202"/>
            <vignetting model="pa" focal="22" aperture="22" distance="10" k1="-0.8207" k2="0.5161" k3="-0.1753"/>
            <vignetting model="pa" focal="22" aperture="22" distance="1000" k1="-0.8207" k2="0.5161" k3="-0.1753"/>
            <vignetting model="pa" focal="22" aperture="4" distance="10" k1="-0.6798" k2="-0.0064" k3="0.1252"/>
            <vignetting model="pa" focal="22" aperture="4" distance="1000" k1="-0.6798" k2="-0.0064" k3="0.1252"/>
            <vignetting model="pa" focal="22" aperture="5.6" distance="10" k1="-0.8035" k2="0.5210" k3="-0.1993"/>
            <vignetting model="pa" focal="22" aperture="5.6" distance="1000" k1="-0.8035" k2="0.5210" k3="-0.1993"/>
            <vignetting model="pa" focal="22" aperture="2.8" distance="10" k1="-1.6316" k2="1.4408" k3="-0.5283"/>
            <vignetting model="pa" focal="22" aperture="2.8" distance="1000" k1="-1.6316" k2="1.4408" k3="-0.5283"/>
            <vignetting model="pa" focal="22" aperture="8" distance="10" k1="-0.8078" k2="0.4941" k3="-0.1621"/>
            <vignetting model="pa" focal="22" aperture="8" distance="1000" k1="-0.8078" k2="0.4941" k3="-0.1621"/>
            <vignetting model="pa" focal="24" aperture="2.8" distance="10" k1="-1.8435" k2="1.9792" k3="-0.8569"/>
            <vignetting model="pa" focal="24" aperture="2.8" distance="1000" k1="-1.8435" k2="1.9792" k3="-0.8569"/>
            <vignetting model="pa" focal="24" aperture="4" distance="10" k1="-0.6367" k2="-0.0467" k3="0.1444"/>
            <vignetting model="pa" focal="24" aperture="4" distance="1000" k1="-0.6367" k2="-0.0467" k3="0.1444"/>
            <vignetting model="pa" focal="24" aperture="5.6" distance="10" k1="-0.7436" k2="0.4012" k3="-0.1157"/>
            <vignetting model="pa" focal="24" aperture="5.6" distance="1000" k1="-0.7436" k2="0.4012" k3="-0.1157"/>
            <vignetting model="pa" focal="24" aperture="8" distance="10" k1="-0.7561" k2="0.4093" k3="-0.1141"/>
            <vignetting model="pa" focal="24" aperture="8" distance="1000" k1="-0.7561" k2="0.4093" k3="-0.1141"/>
            <vignetting model="pa" focal="24" aperture="22" distance="10" k1="-0.7635" k2="0.4221" k3="-0.1206"/>
            <vignetting model="pa" focal="24" aperture="22" distance="1000" k1="-0.7635" k2="0.4221" k3="-0.1206"/>
        </calibration>
    </lens>
    <lens>
        <maker>Sigma</maker>
        <model>85mm F1.4 DG DN | Art 020</model>
        <mount>Sony E</mount>
        <mount>Leica L</mount>
        <cropfactor>1</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="85.0" a="0.008" b="-0.01" c="0.018"/>
            <tca model="poly3" focal="85.0" br="-0.0000417" vr="1.0001211" bb="0.0000458" vb="0.9999134"/>
            <vignetting model="pa" focal="85.0" aperture="1.4" distance="0.8" k1="-0.7197315" k2="-0.1509542" k3="0.2219056"/>
            <vignetting model="pa" focal="85.0" aperture="1.4" distance="1.4" k1="-0.9930474" k2="0.3399367" k3="-0.0477317"/>
            <vignetting model="pa" focal="85.0" aperture="1.4" distance="5.3" k1="-1.1782254" k2="0.7088875" k3="-0.2600048"/>
            <vignetting model="pa" focal="85.0" aperture="1.4" distance="1000" k1="-1.1900195" k2="0.7316514" k3="-0.2763880"/>
            <vignetting model="pa" focal="85.0" aperture="2.0" distance="0.8" k1="-0.0708748" k2="-0.8930291" k3="0.4304307"/>
            <vignetting model="pa" focal="85.0" aperture="2.0" distance="1.4" k1="-0.0686608" k2="-1.1592348" k3="0.6518603"/>
            <vignetting model="pa" focal="85.0" aperture="2.0" distance="5.3" k1="-0.1296457" k2="-1.1474534" k3="0.6803059"/>
            <vignetting model="pa" focal="85.0" aperture="2.0" distance="1000" k1="-0.2159690" k2="-1.0053022" k3="0.6181676"/>
            <vignetting model="pa" focal="85.0" aperture="2.8" distance="0.8" k1="-0.2559231" k2="0.0404000" k3="-0.2350695"/>
            <vignetting model="pa" focal="85.0" aperture="2.8" distance="1.4" k1="-0.0702323" k2="-0.4692967" k3="0.0167289"/>
            <vignetting model="pa" focal="85.0" aperture="2.8" distance="5.3" k1="0.0508025" k2="-0.8512973" k3="0.2489595"/>
            <vignetting model="pa" focal="85.0" aperture="2.8" distance="1000" k1="0.1082025" k2="-1.1149298" k3="0.4403543"/>
            <vignetting model="pa" focal="85.0" aperture="4.0" distance="0.8" k1="-0.3087969" k2="0.1720632" k3="-0.2205243"/>
            <vignetting model="pa" focal="85.0" aperture="4.0" distance="1.4" k1="-0.3063991" k2="0.4198256" k3="-0.5545202"/>
            <vignetting model="pa" focal="85.0" aperture="4.0" distance="5.3" k1="-0.2024764" k2="0.2084012" k3="-0.5055338"/>
            <vignetting model="pa" focal="85.0" aperture="4.0" distance="1000" k1="-0.1335720" k2="0.0473155" k3="-0.4273018"/>
            <vignetting model="pa" focal="85.0" aperture="16.0" distance="0.8" k1="-0.2594819" k2="-0.0287080" k3="-0.0234239"/>
            <vignetting model="pa" focal="85.0" aperture="16.0" distance="1.4" k1="-0.2298448" k2="0.0277708" k3="-0.0590122"/>
            <vignetting model="pa" focal="85.0" aperture="16.0" distance="5.3" k1="-0.2091164" k2="0.0626894" k3="-0.0851185"/>
            <vignetting model="pa" focal="85.0" aperture="16.0" distance="1000" k1="-0.2262919" k2="0.1951203" k3="-0.1994702"/>
        </calibration>
    </lens>
    <lens>
        <maker>Sigma</maker>
        <model>105mm F2.8 DG DN MACRO | Art 020</model>
        <mount>Sony E</mount>
        <mount>Leica L</mount>
        <cropfactor>1.0</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="105.0" a="-0.0107846" b="0.0380454" c="-0.0300196"/>
            <tca model="poly3" focal="105.0" br="-0.0000217" vr="0.9999701" bb="-0.0000442" vb="1.0000044"/>
            <vignetting model="pa" focal="105.0" aperture="2.8" distance="10" k1="-0.8377153" k2="0.6378643" k3="-0.3040553"/>
            <vignetting model="pa" focal="105.0" aperture="2.8" distance="1000" k1="-0.8377153" k2="0.6378643" k3="-0.3040553"/>
            <vignetting model="pa" focal="105.0" aperture="4.0" distance="10" k1="-0.1370010" k2="-0.5850685" k3="0.2889905"/>
            <vignetting model="pa" focal="105.0" aperture="4.0" distance="1000" k1="-0.1370010" k2="-0.5850685" k3="0.2889905"/>
            <vignetting model="pa" focal="105.0" aperture="5.6" distance="10" k1="-0.1335553" k2="-0.0131960" k3="-0.2414712"/>
            <vignetting model="pa" focal="105.0" aperture="5.6" distance="1000" k1="-0.1335553" k2="-0.0131960" k3="-0.2414712"/>
            <vignetting model="pa" focal="105.0" aperture="8.0" distance="10" k1="-0.2948278" k2="0.5328033" k3="-0.5502205"/>
            <vignetting model="pa" focal="105.0" aperture="8.0" distance="1000" k1="-0.2948278" k2="0.5328033" k3="-0.5502205"/>
            <vignetting model="pa" focal="105.0" aperture="22.0" distance="10" k1="-0.1716489" k2="-0.0098372" k3="0.0108144"/>
            <vignetting model="pa" focal="105.0" aperture="22.0" distance="1000" k1="-0.1716489" k2="-0.0098372" k3="0.0108144"/>
        </calibration>
    </lens>
    <lens>
        <maker>Sigma</maker>
        <model>18-50mm F2.8 DC DN | Contemporary 021</model>
        <mount>Sony E</mount>
        <mount>Leica L</mount>
        <cropfactor>1.534</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="18" a="0.02179" b="-0.06976" c="0.00503"/>
            <distortion model="ptlens" focal="24" a="0.00309" b="-0.01385" c="0.02"/>
            <distortion model="ptlens" focal="28.4" a="0.01602" b="-0.03101" c="0.01928"/>
            <distortion model="ptlens" focal="35.1" a="0.00926" b="-0.00013" c="-0.00806"/>
            <distortion model="ptlens" focal="50" a="0.00941" b="-0.00339" c="-0.00339"/>
            <tca model="poly3" focal="18.0" br="-0.0001025" vr="1.0004361" bb="0.0000820" vb="0.9999845"/>
            <tca model="poly3" focal="24.0" br="-0.0000832" vr="1.0002892" bb="0.0000550" vb="0.9999200"/>
            <tca model="poly3" focal="28.4" br="-0.0001107" vr="1.0002018" bb="0.0000836" vb="0.9999138"/>
            <tca model="poly3" focal="35.1" br="-0.0001473" vr="1.0002087" bb="0.0001168" vb="0.9998238"/>
            <tca model="poly3" focal="50.0" br="-0.0001037" vr="1.0000722" bb="0.0001120" vb="0.9996541"/>
            <!-- Taken with Sony ILCE-6400 -->
            <vignetting model="pa" focal="18" aperture="2.8" distance="10" k1="-0.2485" k2="-1.3111" k3="0.8166"/>
            <vignetting model="pa" focal="18" aperture="2.8" distance="1000" k1="-0.2485" k2="-1.3111" k3="0.8166"/>
            <vignetting model="pa" focal="18" aperture="3.2" distance="10" k1="-0.1427" k2="-1.1361" k3="0.5792"/>
            <vignetting model="pa" focal="18" aperture="3.2" distance="1000" k1="-0.1427" k2="-1.1361" k3="0.5792"/>
            <vignetting model="pa" focal="18" aperture="3.5" distance="10" k1="-0.1675" k2="-0.7934" k3="0.2937"/>
            <vignetting model="pa" focal="18" aperture="3.5" distance="1000" k1="-0.1675" k2="-0.7934" k3="0.2937"/>
            <vignetting model="pa" focal="18" aperture="4" distance="10" k1="-0.2952" k2="-0.1556" k3="-0.1615"/>
            <vignetting model="pa" focal="18" aperture="4" distance="1000" k1="-0.2952" k2="-0.1556" k3="-0.1615"/>
            <vignetting model="pa" focal="18" aperture="4.5" distance="10" k1="-0.4056" k2="0.2546" k3="-0.4125"/>
            <vignetting model="pa" focal="18" aperture="4.5" distance="1000" k1="-0.4056" k2="0.2546" k3="-0.4125"/>
            <vignetting model="pa" focal="18" aperture="5" distance="10" k1="-0.4749" k2="0.4672" k3="-0.4961"/>
            <vignetting model="pa" focal="18" aperture="5" distance="1000" k1="-0.4749" k2="0.4672" k3="-0.4961"/>
            <vignetting model="pa" focal="18" aperture="11" distance="10" k1="-0.3992" k2="0.0801" k3="-0.0391"/>
            <vignetting model="pa" focal="18" aperture="11" distance="1000" k1="-0.3992" k2="0.0801" k3="-0.0391"/>
            <vignetting model="pa" focal="18" aperture="20" distance="10" k1="-0.4081" k2="0.1004" k3="-0.0531"/>
            <vignetting model="pa" focal="18" aperture="20" distance="1000" k1="-0.4081" k2="0.1004" k3="-0.0531"/>
            <vignetting model="pa" focal="18" aperture="22" distance="10" k1="-0.4063" k2="0.0966" k3="-0.0501"/>
            <vignetting model="pa" focal="18" aperture="22" distance="1000" k1="-0.4063" k2="0.0966" k3="-0.0501"/>
            <vignetting model="pa" focal="24" aperture="2.8" distance="10" k1="-0.4914" k2="-0.4023" k3="0.2690"/>
            <vignetting model="pa" focal="24" aperture="2.8" distance="1000" k1="-0.4914" k2="-0.4023" k3="0.2690"/>
            <vignetting model="pa" focal="24" aperture="3.2" distance="10" k1="-0.3709" k2="-0.4626" k3="0.2509"/>
            <vignetting model="pa" focal="24" aperture="3.2" distance="1000" k1="-0.3709" k2="-0.4626" k3="0.2509"/>
            <vignetting model="pa" focal="24" aperture="3.5" distance="10" k1="-0.2672" k2="-0.4352" k3="0.1866"/>
            <vignetting model="pa" focal="24" aperture="3.5" distance="1000" k1="-0.2672" k2="-0.4352" k3="0.1866"/>
            <vignetting model="pa" focal="24" aperture="4" distance="10" k1="-0.2561" k2="-0.2928" k3="0.0815"/>
            <vignetting model="pa" focal="24" aperture="4" distance="1000" k1="-0.2561" k2="-0.2928" k3="0.0815"/>
            <vignetting model="pa" focal="24" aperture="4.5" distance="10" k1="-0.3055" k2="-0.0583" k3="-0.0611"/>
            <vignetting model="pa" focal="24" aperture="4.5" distance="1000" k1="-0.3055" k2="-0.0583" k3="-0.0611"/>
            <vignetting model="pa" focal="24" aperture="5" distance="10" k1="-0.3752" k2="0.1810" k3="-0.1970"/>
            <vignetting model="pa" focal="24" aperture="5" distance="1000" k1="-0.3752" k2="0.1810" k3="-0.1970"/>
            <vignetting model="pa" focal="24" aperture="5.6" distance="10" k1="-0.4027" k2="0.2404" k3="-0.1875"/>
            <vignetting model="pa" focal="24" aperture="5.6" distance="1000" k1="-0.4027" k2="0.2404" k3="-0.1875"/>
            <vignetting model="pa" focal="24" aperture="8" distance="10" k1="-0.3689" k2="0.0789" k3="-0.0193"/>
            <vignetting model="pa" focal="24" aperture="8" distance="1000" k1="-0.3689" k2="0.0789" k3="-0.0193"/>
            <vignetting model="pa" focal="24" aperture="20" distance="10" k1="-0.3766" k2="0.0939" k3="-0.0280"/>
            <vignetting model="pa" focal="24" aperture="20" distance="1000" k1="-0.3766" k2="0.0939" k3="-0.0280"/>
            <vignetting model="pa" focal="24" aperture="22" distance="10" k1="-0.3793" k2="0.0981" k3="-0.0298"/>
            <vignetting model="pa" focal="24" aperture="22" distance="1000" k1="-0.3793" k2="0.0981" k3="-0.0298"/>
            <vignetting model="pa" focal="28.2" aperture="2.8" distance="10" k1="-0.4660" k2="-0.3207" k3="0.0015"/>
            <vignetting model="pa" focal="28.2" aperture="2.8" distance="1000" k1="-0.4660" k2="-0.3207" k3="0.0015"/>
            <vignetting model="pa" focal="28.2" aperture="3.2" distance="10" k1="-0.3321" k2="-0.4245" k3="0.0040"/>
            <vignetting model="pa" focal="28.2" aperture="3.2" distance="1000" k1="-0.3321" k2="-0.4245" k3="0.0040"/>
            <vignetting model="pa" focal="28.2" aperture="3.5" distance="10" k1="-0.2709" k2="-0.1530" k3="-0.2641"/>
            <vignetting model="pa" focal="28.2" aperture="3.5" distance="1000" k1="-0.2709" k2="-0.1530" k3="-0.2641"/>
            <vignetting model="pa" focal="28.2" aperture="5.6" distance="10" k1="-0.5504" k2="0.9278" k3="-0.8453"/>
            <vignetting model="pa" focal="28.2" aperture="5.6" distance="1000" k1="-0.5504" k2="0.9278" k3="-0.8453"/>
            <vignetting model="pa" focal="28.2" aperture="6.3" distance="10" k1="-0.5226" k2="0.7718" k3="-0.6567"/>
            <vignetting model="pa" focal="28.2" aperture="6.3" distance="1000" k1="-0.5226" k2="0.7718" k3="-0.6567"/>
            <vignetting model="pa" focal="28.2" aperture="7.1" distance="10" k1="-0.4653" k2="0.5385" k3="-0.4349"/>
            <vignetting model="pa" focal="28.2" aperture="7.1" distance="1000" k1="-0.4653" k2="0.5385" k3="-0.4349"/>
            <vignetting model="pa" focal="28.2" aperture="8" distance="10" k1="-0.4246" k2="0.3768" k3="-0.2879"/>
            <vignetting model="pa" focal="28.2" aperture="8" distance="1000" k1="-0.4246" k2="0.3768" k3="-0.2879"/>
            <vignetting model="pa" focal="28.2" aperture="20" distance="10" k1="-0.3580" k2="0.1035" k3="-0.0374"/>
            <vignetting model="pa" focal="28.2" aperture="20" distance="1000" k1="-0.3580" k2="0.1035" k3="-0.0374"/>
            <vignetting model="pa" focal="28.2" aperture="22" distance="10" k1="-0.3605" k2="0.1101" k3="-0.0423"/>
            <vignetting model="pa" focal="28.2" aperture="22" distance="1000" k1="-0.3605" k2="0.1101" k3="-0.0423"/>
            <vignetting model="pa" focal="35.8" aperture="2.8" distance="10" k1="-0.4600" k2="-0.7569" k3="0.4065"/>
            <vignetting model="pa" focal="35.8" aperture="2.8" distance="1000" k1="-0.4600" k2="-0.7569" k3="0.4065"/>
            <vignetting model="pa" focal="35.8" aperture="3.2" distance="10" k1="-0.2350" k2="-1.0208" k3="0.4794"/>
            <vignetting model="pa" focal="35.8" aperture="3.2" distance="1000" k1="-0.2350" k2="-1.0208" k3="0.4794"/>
            <vignetting model="pa" focal="35.8" aperture="3.5" distance="10" k1="-0.0731" k2="-0.8332" k3="0.1973"/>
            <vignetting model="pa" focal="35.8" aperture="3.5" distance="1000" k1="-0.0731" k2="-0.8332" k3="0.1973"/>
            <vignetting model="pa" focal="35.8" aperture="5" distance="10" k1="-0.4147" k2="0.6893" k3="-0.8368"/>
            <vignetting model="pa" focal="35.8" aperture="5" distance="1000" k1="-0.4147" k2="0.6893" k3="-0.8368"/>
            <vignetting model="pa" focal="35.8" aperture="5.6" distance="10" k1="-0.4936" k2="0.9055" k3="-0.9101"/>
            <vignetting model="pa" focal="35.8" aperture="5.6" distance="1000" k1="-0.4936" k2="0.9055" k3="-0.9101"/>
            <vignetting model="pa" focal="35.8" aperture="6.3" distance="10" k1="-0.4999" k2="0.8635" k3="-0.7989"/>
            <vignetting model="pa" focal="35.8" aperture="6.3" distance="1000" k1="-0.4999" k2="0.8635" k3="-0.7989"/>
            <vignetting model="pa" focal="35.8" aperture="7.1" distance="10" k1="-0.4827" k2="0.7595" k3="-0.6690"/>
            <vignetting model="pa" focal="35.8" aperture="7.1" distance="1000" k1="-0.4827" k2="0.7595" k3="-0.6690"/>
            <vignetting model="pa" focal="35.8" aperture="20" distance="10" k1="-0.3299" k2="0.1054" k3="-0.0367"/>
            <vignetting model="pa" focal="35.8" aperture="20" distance="1000" k1="-0.3299" k2="0.1054" k3="-0.0367"/>
            <vignetting model="pa" focal="35.8" aperture="22" distance="10" k1="-0.3303" k2="0.1056" k3="-0.0368"/>
            <vignetting model="pa" focal="35.8" aperture="22" distance="1000" k1="-0.3303" k2="0.1056" k3="-0.0368"/>
            <vignetting model="pa" focal="50" aperture="2.8" distance="10" k1="-0.8047" k2="-0.0467" k3="0.0673"/>
            <vignetting model="pa" focal="50" aperture="2.8" distance="1000" k1="-0.8047" k2="-0.0467" k3="0.0673"/>
            <vignetting model="pa" focal="50" aperture="3.2" distance="10" k1="-0.6228" k2="-0.3664" k3="0.2192"/>
            <vignetting model="pa" focal="50" aperture="3.2" distance="1000" k1="-0.6228" k2="-0.3664" k3="0.2192"/>
            <vignetting model="pa" focal="50" aperture="3.5" distance="10" k1="-0.2374" k2="-0.8644" k3="0.3949"/>
            <vignetting model="pa" focal="50" aperture="3.5" distance="1000" k1="-0.2374" k2="-0.8644" k3="0.3949"/>
            <vignetting model="pa" focal="50" aperture="4" distance="10" k1="-0.0443" k2="-0.7449" k3="0.1642"/>
            <vignetting model="pa" focal="50" aperture="4" distance="1000" k1="-0.0443" k2="-0.7449" k3="0.1642"/>
            <vignetting model="pa" focal="50" aperture="4.5" distance="10" k1="-0.1402" k2="-0.1566" k3="-0.2706"/>
            <vignetting model="pa" focal="50" aperture="4.5" distance="1000" k1="-0.1402" k2="-0.1566" k3="-0.2706"/>
            <vignetting model="pa" focal="50" aperture="5.6" distance="10" k1="-0.3987" k2="0.7408" k3="-0.7784"/>
            <vignetting model="pa" focal="50" aperture="5.6" distance="1000" k1="-0.3987" k2="0.7408" k3="-0.7784"/>
            <vignetting model="pa" focal="50" aperture="6.3" distance="10" k1="-0.4205" k2="0.7572" k3="-0.7118"/>
            <vignetting model="pa" focal="50" aperture="6.3" distance="1000" k1="-0.4205" k2="0.7572" k3="-0.7118"/>
            <vignetting model="pa" focal="50" aperture="7.1" distance="10" k1="-0.4052" k2="0.6499" k3="-0.5698"/>
            <vignetting model="pa" focal="50" aperture="7.1" distance="1000" k1="-0.4052" k2="0.6499" k3="-0.5698"/>
            <vignetting model="pa" focal="50" aperture="8" distance="10" k1="-0.3869" k2="0.5492" k3="-0.4504"/>
            <vignetting model="pa" focal="50" aperture="8" distance="1000" k1="-0.3869" k2="0.5492" k3="-0.4504"/>
            <vignetting model="pa" focal="50" aperture="9" distance="10" k1="-0.3480" k2="0.3903" k3="-0.3008"/>
            <vignetting model="pa" focal="50" aperture="9" distance="1000" k1="-0.3480" k2="0.3903" k3="-0.3008"/>
            <vignetting model="pa" focal="50" aperture="20" distance="10" k1="-0.2833" k2="0.1160" k3="-0.0469"/>
            <vignetting model="pa" focal="50" aperture="20" distance="1000" k1="-0.2833" k2="0.1160" k3="-0.0469"/>
            <vignetting model="pa" focal="50" aperture="22" distance="10" k1="-0.2791" k2="0.1079" k3="-0.0439"/>
            <vignetting model="pa" focal="50" aperture="22" distance="1000" k1="-0.2791" k2="0.1079" k3="-0.0439"/>
        </calibration>
    </lens>
    <lens>
        <maker>Sigma</maker>
        <model>45mm F2.8 DG DN | Contemporary 019</model>
        <mount>Sony E</mount>
        <mount>Leica L</mount>
        <cropfactor>1.0</cropfactor>
        <calibration>
            <!-- Taken with Sony ILCE-7M3 -->
            <distortion model="ptlens" focal="45.0" a="0.015" b="-0.031" c="0.028"/>
            <vignetting model="pa" focal="45.0" aperture="2.8" distance="10" k1="-1.3239846" k2="0.8156832" k3="-0.1881222"/>
            <vignetting model="pa" focal="45.0" aperture="2.8" distance="1000" k1="-1.3239846" k2="0.8156832" k3="-0.1881222"/>
            <vignetting model="pa" focal="45.0" aperture="4.0" distance="10" k1="-1.1338622" k2="0.5291869" k3="-0.0378475"/>
            <vignetting model="pa" focal="45.0" aperture="4.0" distance="1000" k1="-1.1338622" k2="0.5291869" k3="-0.0378475"/>
            <vignetting model="pa" focal="45.0" aperture="5.6" distance="10" k1="-0.8140855" k2="0.0679551" k3="0.1351243"/>
            <vignetting model="pa" focal="45.0" aperture="5.6" distance="1000" k1="-0.8140855" k2="0.0679551" k3="0.1351243"/>
            <vignetting model="pa" focal="45.0" aperture="8.0" distance="10" k1="-1.0907148" k2="0.8901916" k3="-0.3348887"/>
            <vignetting model="pa" focal="45.0" aperture="8.0" distance="1000" k1="-1.0907148" k2="0.8901916" k3="-0.3348887"/>
            <vignetting model="pa" focal="45.0" aperture="11.0" distance="10" k1="-1.1445136" k2="0.9512657" k3="-0.2516280"/>
            <vignetting model="pa" focal="45.0" aperture="11.0" distance="1000" k1="-1.1445136" k2="0.9512657" k3="-0.2516280"/>
            <vignetting model="pa" focal="45.0" aperture="16.0" distance="10" k1="-1.0104908" k2="0.4211725" k3="0.2162403"/>
            <vignetting model="pa" focal="45.0" aperture="16.0" distance="1000" k1="-1.0104908" k2="0.4211725" k3="0.2162403"/>
            <vignetting model="pa" focal="45.0" aperture="22.0" distance="10" k1="-0.9958242" k2="0.4281057" k3="0.2073025"/>
            <vignetting model="pa" focal="45.0" aperture="22.0" distance="1000" k1="-0.9958242" k2="0.4281057" k3="0.2073025"/>
        </calibration>
    </lens>
    <lens>
        <maker>Sigma</maker>
        <model>40mm F1.4 DG HSM | Art 018</model>
        <model lang="en">Sigma 40mm F1.4 DG HSM | Art</model>
        <mount>Canon EF</mount>
        <mount>Leica L</mount>
        <mount>Sony E</mount>
        <mount>Nikon F AF</mount>
        <mount>Sigma SA</mount>
        <cropfactor>1.0</cropfactor>
        <calibration>
            <vignetting model="pa" focal="40.0" aperture="1.4" distance="10" k1="-1.4519074" k2="1.0540364" k3="-0.3872737"/>
            <vignetting model="pa" focal="40.0" aperture="1.4" distance="1000" k1="-1.4519074" k2="1.0540364" k3="-0.3872737"/>
            <vignetting model="pa" focal="40.0" aperture="2.0" distance="10" k1="-0.0260262" k2="-1.0502213" k3="0.5278884"/>
            <vignetting model="pa" focal="40.0" aperture="2.0" distance="1000" k1="-0.0260262" k2="-1.0502213" k3="0.5278884"/>
            <vignetting model="pa" focal="40.0" aperture="2.8" distance="10" k1="-0.3277486" k2="0.2971532" k3="-0.2857414"/>
            <vignetting model="pa" focal="40.0" aperture="2.8" distance="1000" k1="-0.3277486" k2="0.2971532" k3="-0.2857414"/>
            <vignetting model="pa" focal="40.0" aperture="4.0" distance="10" k1="-0.2665493" k2="0.0077069" k3="0.0293840"/>
            <vignetting model="pa" focal="40.0" aperture="4.0" distance="1000" k1="-0.2665493" k2="0.0077069" k3="0.0293840"/>
            <vignetting model="pa" focal="40.0" aperture="5.6" distance="10" k1="-0.2709089" k2="0.0195872" k3="0.0227277"/>
            <vignetting model="pa" focal="40.0" aperture="5.6" distance="1000" k1="-0.2709089" k2="0.0195872" k3="0.0227277"/>
            <vignetting model="pa" focal="40.0" aperture="16.0" distance="10" k1="-0.2878019" k2="0.0453093" k3="0.0104123"/>
            <vignetting model="pa" focal="40.0" aperture="16.0" distance="1000" k1="-0.2878019" k2="0.0453093" k3="0.0104123"/>
        </calibration>
    </lens>
    <lens>
        <maker>Sigma</maker>
        <model>20mm F2 DG DN | Contemporary 022</model>
        <mount>Sony E</mount>
        <mount>Leica L</mount>
        <cropfactor>1.0</cropfactor>
        <calibration>
            <!-- Taken with ILCE-7M3, coefficients fitted from exif data by lf_fitexif_se -->
            <distortion model="ptlens" focal="20" a="0.0268937" b="-0.0982549" c="0.0452197"/>
            <tca model="poly3" focal="20" vr="1.0003052" cr="-0.0000000" br="0.0000000" vb="1.0000539" cb="-0.0000762" bb="0.0000259"/>
        </calibration>
    </lens>
    <lens>
        <maker>Sigma</maker>
        <model>24mm F2 DG DN | Contemporary 021</model>
        <mount>Sony E</mount>
        <mount>Leica L</mount>
        <cropfactor>1.0</cropfactor>
        <calibration>
            <!-- Taken with ILCE-7M3, coefficients fitted from exif data by lf_fitexif_se -->
            <distortion model="ptlens" focal="24" a="0.0178656" b="-0.0739538" c="0.0316300"/>
            <tca model="poly3" focal="24" vr="1.0001423" cr="-0.0002125" br="0.0001224" vb="0.9999575" cb="0.0004025" bb="-0.0002176"/>
        </calibration>
    </lens>
    <lens>
        <maker>Sigma</maker>
        <model>24-70mm F2.8 DG DN | Art 019</model>
        <mount>Sony E</mount>
        <mount>Leica L</mount>
        <cropfactor>1.0</cropfactor>
        <calibration>
            <!-- Taken with ILCE-7M3, coefficients fitted from exif data by lf_fitexif_se -->
            <distortion model="ptlens" focal="24" a="0.0404125" b="-0.1209515" c="0.0644292"/>
            <distortion model="ptlens" focal="25" a="0.0403228" b="-0.1182433" c="0.0617783"/>
            <distortion model="ptlens" focal="35" a="0.0147573" b="-0.0365721" c="0.0191533"/>
            <distortion model="ptlens" focal="50" a="0.0045391" b="-0.0036531" c="0.0029056"/>
            <distortion model="ptlens" focal="68" a="0.0021856" b="0.0032284" c="0.0010074"/>
            <distortion model="ptlens" focal="70" a="0.0019947" b="0.0035263" c="0.0005016"/>
            <tca model="poly3" focal="24" vr="1.0005342" cr="-0.0002711" br="0.0000398" vb="0.9996054" cb="0.0005987" bb="-0.0002003"/>
            <tca model="poly3" focal="25" vr="1.0005129" cr="-0.0002837" br="0.0000533" vb="0.9996054" cb="0.0006082" bb="-0.0002067"/>
            <tca model="poly3" focal="35" vr="1.0002061" cr="-0.0001585" br="0.0000425" vb="0.9998415" cb="0.0003393" bb="-0.0001299"/>
            <tca model="poly3" focal="50" vr="0.9999515" cr="-0.0001598" br="0.0000759" vb="1.0000140" cb="0.0001543" bb="-0.0001076"/>
            <tca model="poly3" focal="68" vr="0.9998294" cr="-0.0001602" br="0.0000763" vb="0.9998365" cb="0.0004045" bb="-0.0002209"/>
            <tca model="poly3" focal="70" vr="0.9998021" cr="-0.0002518" br="0.0001364" vb="0.9999319" cb="0.0002817" bb="-0.0001728"/>
        </calibration>
    </lens>
    <lens>
        <maker>Sigma</maker>
        <model>35mm F2 DG DN | Contemporary 020</model>
        <mount>Sony E</mount>
        <mount>Leica L</mount>
        <cropfactor>1.0</cropfactor>
        <calibration>
            <!-- Taken with ILCE-7M3, coefficients fitted from exif data by lf_fitexif_se -->
            <distortion model="ptlens" focal="35" a="0.0025850" b="-0.0188551" c="0.0065550"/>
            <tca model="poly3" focal="35" vr="1.0001744" cr="0.0000553" br="-0.0000480" vb="1.0000087" cb="-0.0000553" bb="0.0000480"/>
        </calibration>
    </lens>
    <lens>
        <maker>Sigma</maker>
        <model>65mm F2 DG DN | Contemporary 020</model>
        <mount>Sony E</mount>
        <mount>Leica L</mount>
        <cropfactor>1.0</cropfactor>
        <calibration>
            <!-- Taken with ILCE-7M3, coefficients fitted from exif data by lf_fitexif_se -->
            <distortion model="ptlens" focal="65" a="-0.0013239" b="0.0100205" c="-0.0016762"/>
            <tca model="poly3" focal="65" vr="1.0003439" cr="-0.0001381" br="0.0000462" vb="0.9998513" cb="-0.0000247" bb="0.0000400"/>
        </calibration>
    </lens>
    <lens>
        <maker>Sigma</maker>
        <model>90mm F2.8 DG DN | Contemporary 021</model>
        <mount>Sony E</mount>
        <mount>Leica L</mount>
        <cropfactor>1.0</cropfactor>
        <calibration>
            <!-- Taken with ILCE-7M3, coefficients fitted from exif data by lf_fitexif_se -->
            <distortion model="ptlens" focal="90" a="0.0007308" b="0.0133346" c="0.0007317"/>
            <tca model="poly3" focal="90" vr="0.9996588" cr="0.0000772" br="0.0000596" vb="1.0002673" cb="-0.0000573" bb="-0.0001346"/>
        </calibration>
    </lens>
    <lens>
        <maker>Sigma</maker>
        <model>28-70mm F2.8 DG DN | Contemporary 021</model>
        <mount>Sony E</mount>
        <mount>Leica L</mount>
        <cropfactor>1.0</cropfactor>
        <calibration>
            <!-- Taken with Panasonic Lumix DC-S5 -->
            <distortion model="ptlens" focal="28.0" a="0.0231531" b="-0.0602009" c="0.00137773"/>
            <distortion model="ptlens" focal="32.0" a="0.019141" b="-0.0437372" c="0.00220297"/>
            <distortion model="ptlens" focal="42.0" a="0.0106437" b="-0.011167" c="-0.00572176"/>
            <distortion model="ptlens" focal="50.0" a="0.01185" b="-0.0154665" c="0.0156092"/>
            <distortion model="ptlens" focal="56.0" a="0.0124585" b="-0.0180694" c="0.0237966"/>
            <distortion model="ptlens" focal="70.0" a="0.0143533" b="-0.0188212" c="0.0189676"/>
        </calibration>
    </lens>
    <lens>
        <maker>Sigma</maker>
        <model>16-28mm F2.8 DG DN | Contemporary 022</model>
        <mount>Sony E</mount>
        <mount>Leica L</mount>
        <cropfactor>1.0</cropfactor>
        <calibration>
            <!-- Taken with ILCE-7M3, coefficients fitted from exif data by lf_fitexif_se -->
            <distortion model="ptlens" focal="16" a="0.0178440" b="-0.0567002" c="0.0100099"/>
            <distortion model="ptlens" focal="18" a="0.0155075" b="-0.0359606" c="0.0028970"/>
            <distortion model="ptlens" focal="20" a="0.0115102" b="-0.0123447" c="-0.0074466"/>
            <distortion model="ptlens" focal="22" a="0.0104768" b="-0.0031034" c="-0.0104740"/>
            <distortion model="ptlens" focal="24" a="0.0090294" b="0.0019607" c="-0.0094744"/>
            <distortion model="ptlens" focal="25" a="0.0075718" b="0.0030619" c="-0.0080573"/>
            <distortion model="ptlens" focal="28" a="0.0075484" b="-0.0005776" c="-0.0016986"/>
            <tca model="poly3" focal="16" vr="0.9999489" cr="0.0001941" br="-0.0000349" vb="1.0002733" cb="-0.0001981" bb="0.0000582"/>
            <tca model="poly3" focal="18" vr="1.0000296" cr="-0.0000836" br="0.0000838" vb="1.0002159" cb="-0.0000726" bb="-0.0000237"/>
            <tca model="poly3" focal="20" vr="0.9999919" cr="-0.0000733" br="0.0000872" vb="1.0001960" cb="-0.0000522" bb="-0.0000477"/>
            <tca model="poly3" focal="22" vr="0.9998577" cr="0.0000968" br="0.0000119" vb="1.0002321" cb="-0.0000991" bb="-0.0000319"/>
            <tca model="poly3" focal="24" vr="0.9998377" cr="0.0000343" br="0.0000347" vb="1.0001713" cb="0.0000777" bb="-0.0001132"/>
            <tca model="poly3" focal="25" vr="0.9999188" cr="-0.0001395" br="0.0001148" vb="1.0002245" cb="-0.0000686" bb="-0.0000502"/>
            <tca model="poly3" focal="28" vr="0.9998829" cr="-0.0000617" br="0.0000871" vb="1.0001462" cb="0.0000433" bb="-0.0001147"/>
        </calibration>
    </lens>
    <lens>
        <maker>Sigma</maker>
        <model>10-18mm F2.8 DC DN | Contemporary 023</model>
        <mount>Sony E</mount>
        <cropfactor>1.534</cropfactor>
        <calibration>
            <!-- Taken with ILCE-6400, coeffients fitted from exif data by lf_fitexif_se -->
            <distortion model="ptlens" focal="10" a="0.0121299" b="-0.0481622" c="0.0044258"/>
            <distortion model="ptlens" focal="12" a="0.0093819" b="-0.0289556" c="0.0024353"/>
            <distortion model="ptlens" focal="15" a="0.0058474" b="-0.0101494" c="0.0003513"/>
            <distortion model="ptlens" focal="18" a="0.0043317" b="-0.0036526" c="-0.0003477"/>
        </calibration>
    </lens>
    <lens>
        <maker>Sigma</maker>
        <model>24mm F3.5 DG DN | Contemporary 021</model>
        <mount>Leica L</mount>
        <mount>Sony E</mount>
        <cropfactor>1.0</cropfactor>
        <calibration>
            <!-- Taken with Lumix S5 high res mode, 2024-08-21 -->
            <distortion model="ptlens" focal="24" a="0.0187798" b="-0.0331216" c="0.0146341"/>
            <tca model="poly3" focal="24" br="0.0000007" cr="-0.0000901" vr="1.0003918" bb="-0.0001195" cb="0.0003470" vb="0.9997972"/>
        </calibration>
    </lens>
</lensdatabase>
