thanks very much for the info !

On Fri, 3 Apr 2020 at 17:55, Andreas Schneider <a...@cryptomilk.org> wrote:

> On Friday, 3 April 2020 11:16:40 CEST Mikael Puhakka wrote:
> > EXIF information is a messy business. The FLOSS "de-facto" standard
> > library used by everyone is Phil Harvey's  exiftool. Recently I used
> > it to study some of my images; a Sigma 35mm f/1.4 ART was rendered as
> > Canon 17-40 by the tool.
>
> The problem is that some manufacturers use lens ids in the EXIF and not
> strings. So you need a database which maps the id (integer) to a human
> readable string. Looks like Sigma is using the same id as canon for that
> lens
> ...
>
> The mappin is coming from libexiv2 which darktable uses. So your bug
> report
> should go to the exiv2 project :-)
>
> However, you can setup your own mappings:
>
> man exiv2 -> CONFIGURATION FILE
>
>
>
>         Andreas
>
> --
> Andreas Schneider                 a...@cryptomilk.org
> GPG-ID:     8DFF53E18F2ABC8D8F3C92237EE0FC4DCC014E3D
>
>
>

-- 
-VINCENT AGUDELO

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