/usr/share/lensfun/version_1/slr-vivitar.xml is in liblensfun-data-v1 0.3.2-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 | <lensdatabase version="1">
<lens>
<maker>Vivitar</maker>
<model>Vivitar 100mm f/3.5 AF Macro</model>
<mount>Canon EF</mount>
<mount>Sony Alpha</mount>
<mount>Nikon F AF</mount>
<cropfactor>1.523</cropfactor>
<calibration>
<!-- Taken with Sony Alpha 55V -->
<distortion model="poly3" focal="100" k1="0.00072" />
<!-- No measurable TCA -->
<tca model="poly3" focal="100" />
</calibration>
</lens>
<lens>
<!-- This lens is available in five variants, see
<http://www.robertstech.com/vivitar.htm>. This web site suggests
that variants 4 and 5 are optically equivalent. The other
versions must definitely be considered different from each
other. -->
<maker>Vivitar</maker>
<!-- FixMe: "One" should be "1" once
https://sourceforge.net/p/lensfun/bugs/35 is fixed. -->
<model>Vivitar Series One 70-210mm 1:3.5 SN 22...</model>
<model lang="en">Vivitar Series 1 70-210mm 1:3.5 SN 22…</model>
<mount>Nikon F</mount>
<mount>Pentax K</mount>
<mount>Canon FD</mount>
<mount>Canon FL</mount>
<mount>Olympus OM</mount>
<mount>M42</mount>
<cropfactor>1.534</cropfactor>
<focal min="70" max="210" />
<aperture min="3.5" max="22" />
<calibration>
<!-- Taken with Sony A6000 -->
<distortion model="poly3" focal="70" k1="-0.00183" />
<distortion model="poly3" focal="85" k1="-0.00025" />
<distortion model="poly3" focal="210" k1="0.00324" />
<tca model="poly3" focal="70" vr="1.0001457" vb="0.9998911" />
<tca model="poly3" focal="85" vr="1.0000626" vb="0.9999076" />
<tca model="poly3" focal="135" vr="0.9998391" vb="0.9999724" />
<tca model="poly3" focal="180" vr="0.9995820" vb="1.0000310" />
<tca model="poly3" focal="210" vr="0.9994685" vb="1.0000417" />
</calibration>
</lens>
</lensdatabase>
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