Has not been there some change regarding the lens matching algorithm? As
far as i remember, some heuristic has been used before and i think it
has been disabled/removed because of false positives?

For this reason i recently created an own, local subsbset of the lensfun
db containing the lenses i am owning, and matched the lens names to the
exact strings printed by exiftool (or exiv2? i do not remember this
detail any more). Voila, it works!

Regards,
Markus

Am 06.10.2013 19:32, schrieb Torsten Bronger:
> Hallöchen!
> 
> Frank Fesevur writes:
> 
>> [...]
>>
>> So now my questions are:
>> Why are there two entries for the same lens?
> 
> No idea.  I removed one of them.  But this duplication is very, very
> old (from SVN version 1 on).  It can only be seen with Canon
> cameras.
> 
>> Which one should I choose?
> 
> I removed the one for cropfactor 1.6 because crop 1.5 works also for
> non-Canon APS-C.  Other than that, there is no difference unless one
> of the calibration contributors did something wrong.
> 
>> Although very likely related to the above, why did 1.1.2 recognize
>> the lens and 1.2.3 not anymore?
> 
> Probably an exiv2 issue.  But I am no expert on this.
> 
> Tschö,
> Torsten.
> 


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