It will be important whether this is just a name mismatch or whether there
is, or ever has been, a non-pro version of the M.Zuiko Digital ED 12-40mm
F2.8.  If the latter then it is not simply a matter of renaming the lens in
lensfun - the lens will have to be characterised as a new lens and added to
lensfun that way.

On 25 September 2015 at 17:35, Frank J. <newslet...@fotodrachen.de> wrote:

> Am 25.09.2015 um 18:01 schrieb thokster:
> > Probably you meant 12-40mm?  ;-)
> >
>
> Uups,
>  you're right.
>
>
> $ exiv2 -pt 0300.ORF | grep -ai lens
>
> Exif.OlympusEq.LensType                      Byte
> 6  Olympus M.Zuiko Digital ED 12-40mm F2.8 Pro
>
> Exif.OlympusEq.LensModel                     Ascii
> 32  OLYMPUS M.12-40mm F2.8
>
> Exif.OlympusEq.LensProperties                Short
> 1  49472
>
> Exif.Photo.LensModel                         Ascii
> 32  OLYMPUS M.12-40mm F2.8
>
> $
>
> DT shows the "LensType"-Value.
>
> Following
> http://www.darktable.org/2015/02/on-lens-detection-and-correction/
> to
>
> http://dev.exiv2.org/projects/exiv2/repository/entry/trunk/src/olympusmn.cpp#L1254
> I think that exiv2 is correct.
>
> But lensfun is missing the "Pro" in its list:
> http://lensfun.sourceforge.net/lenslist/
>
> So exiv2 and lensfun didn't match.
>
> --
> Frank
>
>
>
>
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