I opened photos taken by Nikon D7100 @iso 400, 800, 1600, 3200, 6400, 12800 and 25600 with LibRaw.
The problem is, the iso_speed values for photos @iso12800 and @iso25600 are '3.0000'.
How can I get the right iso values?
LibRaw
raw image decoder
Looking for FastRawViewer? It is HERE!
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Nikon's HIGH-ISOs are
Nikon's HIGH-ISOs are specified not in 'common EXIF' tag (tag id=2), but in special tag (tag id = 37).
LibRaw 0.16-beta1 already contains this change, so it should work fine).
Could you please upload sample file to somewhere (Dropbox or so)?
-- Alex Tutubalin @LibRaw LLC
Oh, you react really fast.
Oh, you react really fast. Very much thanks.
So, can I get the right iso values from LibRaw?
I don't have a dropbox account, I upload 2 files to baidu and the link is below.
http://pan.baidu.com/share/link?shareid=1813243432&uk=1865652979
These 2 files are taken by Nikon D7100 @iso12800 and iso25600. Hope they are helpful.