JezK
Edit File: slr-samyang.xml
<lensdatabase> <lens> <maker>Samyang</maker> <model>Samyang 14mm f/2.8 ED AS IF UMC</model> <mount>Canon EF</mount> <cropfactor>1.0</cropfactor> <calibration> <distortion model="ptlens" focal="14" a="0.04015" b="-0.07043" c="-0.05466" /> <tca model="poly3" focal="14" br="0.0000198" vr="0.9999690" bb="-0.0001334" vb="1.0003226" /> </calibration> </lens> <lens> <maker>Samyang</maker> <model>Samyang 500mm f/6.3 MC IF Mirror Lens</model> <mount>T2</mount> <focal value="500" /> <aperture value="6.3" /> <!-- FixMe: Actually cropfactor 1.534 --> <cropfactor>1.5</cropfactor> <calibration> <!-- Taken with NEX-7 --> <distortion model="poly3" focal="500" k1="0" /> <tca model="linear" focal="500" kr="1" kb="1" /> <vignetting model="pa" focal="500" aperture="6.3" distance="10" k1="-0.7756" k2="0.8291" k3="-0.3723" /> <vignetting model="pa" focal="500" aperture="6.3" distance="1000" k1="-0.7756" k2="0.8291" k3="-0.3723" /> </calibration> </lens> </lensdatabase>