Hallöchen!

Jan Niklas Fingerle writes:

> Am 22.01.2014 07:52, schrieb Torsten Bronger:
>
>> Three lenses are convincing to me.  I prepended "Olympus" to all
>> Four-Third lens model names in lensfun.  For Lensfun <= 0.2.8,
>> install the tarball http://lensfun.berlios.de/db/version_0.tar.bz2
>> at the appropriate place.  Alternatively, install current SVN Lensfun.
>
> so, lensfun will match the Exif.OlympusEq.Lens*Type* against its
> *<model>* data? If it matches on Exif.OlympusEq.Lens*Model*, I don't
> see, how it selects
> <model>Olympus Zuiko Digital ED 40-150mm f/4.0-5.6</model>
> over
> <model>Olympus Zuiko Digital 40-150mm f/3.5-4.5</model> using "OLYMPUS
> 40-150mm Lens" as search string, or what am I missing?

Lensfun uses a scoring algorithm that measures the similarity(tm) of
the lens names.  In this case, the non-ED variant would win, because
fewer additional words.  But isn't Darktable reporting a longer lens
model name?

Tschö,
Torsten.

-- 
Torsten Bronger    Jabber ID: torsten.bron...@jabber.rwth-aachen.de
                                  or http://bronger-jmp.appspot.com


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