<!DOCTYPE lensdatabase SYSTEM "lensfun-database.dtd">
<!--
    This file contains some of the cameras and lenses from:
    "Krasnogorsky zavod" JSC (http://www.zenit-foto.ru/english/index.htm)
    "Belarusian Optical and Mechanical Associtaion" (http://www.belomo.by/)
-->
<lensdatabase version="2">

    <camera>
        <maker>KMZ</maker>
        <maker lang="ru">КМЗ</maker>
        <model>Zenit 122</model>
        <model lang="ru">Зенит 122</model>
        <mount>M42</mount>
        <cropfactor>1</cropfactor>
    </camera>

    <camera>
        <maker>KMZ</maker>
        <maker lang="ru">КМЗ</maker>
        <model>Zenit 122K</model>
        <model lang="ru">Зенит 122K</model>
        <mount>Pentax K</mount>
        <cropfactor>1</cropfactor>
    </camera>

    <camera>
        <maker>KMZ</maker>
        <maker lang="ru">КМЗ</maker>
        <model>Zenit 212K</model>
        <model lang="ru">Зенит 212K</model>
        <mount>Pentax K</mount>
        <cropfactor>1</cropfactor>
    </camera>

    <camera>
        <maker>KMZ</maker>
        <maker lang="ru">КМЗ</maker>
        <model>Zenit 312K</model>
        <model lang="ru">Зенит 312K</model>
        <mount>Pentax K</mount>
        <cropfactor>1</cropfactor>
    </camera>

    <camera>
        <maker>KMZ</maker>
        <maker lang="ru">КМЗ</maker>
        <model>Zenit 412LS</model>
        <model lang="ru">Зенит 412LS</model>
        <mount>M42</mount>
        <cropfactor>1</cropfactor>
    </camera>

    <camera>
        <maker>KMZ</maker>
        <maker lang="ru">КМЗ</maker>
        <model>Zenit KM</model>
        <model lang="ru">Зенит KM</model>
        <mount>Pentax K</mount>
        <cropfactor>1</cropfactor>
    </camera>

    <lens>
        <maker>KMZ</maker>
        <maker lang="ru">КМЗ</maker>
        <model>MC Mir-20M 3.5/20</model>
        <model lang="ru">МС Мир-20М 3.5/20</model>
        <mount>M42</mount>
        <cropfactor>1</cropfactor>
    </lens>

    <lens>
        <maker>KMZ</maker>
        <maker lang="ru">КМЗ</maker>
        <model>MC Zenitar 2.8/16</model>
        <model lang="ru">МС Зенитар 2.8/16</model>
        <mount>M42</mount>
        <mount>Pentax K</mount>
        <mount>Nikon F</mount>
        <type>fisheye</type>
        <cropfactor>1</cropfactor>
    </lens>

    <lens>
        <maker>KMZ</maker>
        <maker lang="ru">КМЗ</maker>
        <model>MC Zenitar 2/50</model>
        <model lang="ru">МС Зенитар 2/50</model>
        <mount>M42</mount>
        <mount>Pentax K</mount>
        <cropfactor>1</cropfactor>
    </lens>

    <lens>
        <maker>KMZ</maker>
        <maker lang="ru">КМЗ</maker>
        <model>MC APO Telezenitar 2.8/135</model>
        <model lang="ru">МС АПО Телезенитар 2.8/135</model>
        <mount>M42</mount>
        <cropfactor>1</cropfactor>
    </lens>

    <lens>
        <maker>KMZ</maker>
        <maker lang="ru">КМЗ</maker>
        <model>MC APO Telezenitar 4.5/300</model>
        <model lang="ru">МС АПО Телезенитар 4.5/300</model>
        <mount>M42</mount>
        <cropfactor>1</cropfactor>
    </lens>

    <lens>
        <maker>KMZ</maker>
        <maker lang="ru">КМЗ</maker>
        <model>MC Variozenitar-K 2.8-3.5/25-45</model>
        <model lang="ru">МС Вариозенитар-К 2.8-3.5/25-45</model>
        <mount>M42</mount>
        <focal min="25" max="45"/>
        <aperture min="2.8"/>
        <cropfactor>1</cropfactor>
    </lens>

    <lens>
        <maker>BelOMO</maker>
        <maker lang="ru">БелОМО</maker>
        <model>MC Peleng 3.5/8</model>
        <model lang="ru">МС Пеленг 3.5/8</model>
        <mount>M42</mount>
        <mount>Pentax K</mount>
        <mount>Nikon F</mount>
        <mount>Canon EF</mount>
        <aperture min="3.5" max="16"/>
        <type>fisheye</type>
        <cropfactor>1</cropfactor>
    </lens>

    <lens>
        <maker>KMZ</maker>
        <maker lang="ru">КМЗ</maker>
        <model>MC MTO 11CA 10/1000</model>
        <mount>M42</mount>
        <focal value="1000"/>
        <aperture value="10"/>
        <cropfactor>1.531</cropfactor>
        <calibration>
            <distortion model="poly3" focal="1000" k1="0.00451"/>
        </calibration>
    </lens>

    <lens>
        <maker>KMZ</maker>
        <model>MC Helios-44M-4 58mm 1:2</model>
        <mount>M42</mount>
        <cropfactor>1.538</cropfactor>
        <calibration>
            <!-- Taken with Pentax K20D -->
            <distortion model="poly3" focal="58" k1="0.00131"/>
            <tca model="poly3" focal="58" vr="1.0000037" vb="0.9999377"/>
            <vignetting model="pa" focal="58" aperture="2" distance="10" k1="-0.7541" k2="0.5658" k3="-0.2168"/>
            <vignetting model="pa" focal="58" aperture="2" distance="1000" k1="-0.7541" k2="0.5658" k3="-0.2168"/>
            <vignetting model="pa" focal="58" aperture="2.8" distance="10" k1="-0.1611" k2="0.0829" k3="-0.0613"/>
            <vignetting model="pa" focal="58" aperture="2.8" distance="1000" k1="-0.1611" k2="0.0829" k3="-0.0613"/>
            <vignetting model="pa" focal="58" aperture="4" distance="10" k1="-0.1624" k2="0.0504" k3="-0.0082"/>
            <vignetting model="pa" focal="58" aperture="4" distance="1000" k1="-0.1624" k2="0.0504" k3="-0.0082"/>
            <vignetting model="pa" focal="58" aperture="5.6" distance="10" k1="-0.1559" k2="0.0218" k3="0.0096"/>
            <vignetting model="pa" focal="58" aperture="5.6" distance="1000" k1="-0.1559" k2="0.0218" k3="0.0096"/>
            <vignetting model="pa" focal="58" aperture="8" distance="10" k1="-0.1870" k2="0.0627" k3="-0.0081"/>
            <vignetting model="pa" focal="58" aperture="8" distance="1000" k1="-0.1870" k2="0.0627" k3="-0.0081"/>
            <vignetting model="pa" focal="58" aperture="11" distance="10" k1="-0.2473" k2="0.1722" k3="-0.0667"/>
            <vignetting model="pa" focal="58" aperture="11" distance="1000" k1="-0.2473" k2="0.1722" k3="-0.0667"/>
            <vignetting model="pa" focal="58" aperture="16" distance="10" k1="-0.3149" k2="0.2956" k3="-0.1347"/>
            <vignetting model="pa" focal="58" aperture="16" distance="1000" k1="-0.3149" k2="0.2956" k3="-0.1347"/>
        </calibration>
    </lens>

    <lens>
        <maker>MTO</maker>
        <model>MTO-500 500mm f/8 mirror lens</model>
        <mount>M39/1</mount>
        <cropfactor>1.529</cropfactor>
        <calibration>
            <!-- Taken with Fujifilm X-M1 -->
            <vignetting model="pa" focal="500" aperture="8" distance="10" k1="-1.0017" k2="1.0513" k3="-0.4818"/>
            <vignetting model="pa" focal="500" aperture="8" distance="1000" k1="-1.0017" k2="1.0513" k3="-0.4818"/>
        </calibration>
    </lens>

    <lens>
        <maker>KMZ</maker>
        <model>MIR-1B 37mm f/2.8</model>
        <mount>M42</mount>
        <cropfactor>1.523</cropfactor>
        <calibration>
            <!-- Taken with Sony SLT-A58 -->
            <distortion model="ptlens" focal="37" a="0" b="-0.00255" c="0"/>
            <tca model="poly3" focal="37" br="-0.0000478" vr="1.0001743" bb="0.0000122" vb="0.9999205"/>
            <vignetting model="pa" focal="37" aperture="2.8" distance="10" k1="-0.8874" k2="0.7393" k3="-0.2944"/>
            <vignetting model="pa" focal="37" aperture="2.8" distance="1000" k1="-0.8874" k2="0.7393" k3="-0.2944"/>
            <vignetting model="pa" focal="37" aperture="4" distance="10" k1="-0.4144" k2="0.4004" k3="-0.2103"/>
            <vignetting model="pa" focal="37" aperture="4" distance="1000" k1="-0.4144" k2="0.4004" k3="-0.2103"/>
            <vignetting model="pa" focal="37" aperture="5.6" distance="10" k1="-0.4470" k2="0.4967" k3="-0.2583"/>
            <vignetting model="pa" focal="37" aperture="5.6" distance="1000" k1="-0.4470" k2="0.4967" k3="-0.2583"/>
            <vignetting model="pa" focal="37" aperture="8" distance="10" k1="-0.2922" k2="0.1496" k3="-0.0531"/>
            <vignetting model="pa" focal="37" aperture="8" distance="1000" k1="-0.2922" k2="0.1496" k3="-0.0531"/>
            <vignetting model="pa" focal="37" aperture="11" distance="10" k1="-0.3862" k2="0.2091" k3="-0.0361"/>
            <vignetting model="pa" focal="37" aperture="11" distance="1000" k1="-0.3862" k2="0.2091" k3="-0.0361"/>
            <vignetting model="pa" focal="37" aperture="16" distance="10" k1="-0.3301" k2="0.1592" k3="-0.0901"/>
            <vignetting model="pa" focal="37" aperture="16" distance="1000" k1="-0.3301" k2="0.1592" k3="-0.0901"/>
        </calibration>
    </lens>

</lensdatabase>
