[Digikam-devel] [Bug 182013] sensitivity is not shown for rw2 files

[Matthias Welwarsky]

http://bugs.kde.org/show_bug.cgi?id=182013





--- Comment #16 from Matthias Welwarsky <matze welwarsky de>  2009-02-02 17:51:26 ---
(In reply to comment #15)
> The latest revision in the Exiv2 repository improves RW2 decoding:
> http://dev.exiv2.org/repositories/revision/exiv2/1740
> + there is now a dedicated tag table for the IFD0 tags in these images
> + additional Exif data from the embedded preview image is decoded
> 
> The ISO speed is now labeled but there is still no lens information. Chances
> are that it's there somewhere just not yet reverse-engineered.

I didn't find any lens information inside the RW2 tags (not in clear text
anyway), but since you are fetching Exif data from the embedded preview image
anyway, chances are you'll find it there. For the Lumix G1, the lens model and
serial number are encoded in the maker notes, tag 0x0051 and 0x0052.

There are of course chances the lens information is also available in some
binary encoded format. Also, there is still that rumor about lens defect
correction data embedded in the RW2 files...


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