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 [email protected]
GPG-ID: 8DFF53E18F2ABC8D8F3C92237EE0FC4DCC014E3D
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