On Wednesday 22 June 2016 10:29:39 Saint Germain wrote: > On Wed, 22 Jun 2016 10:22:19 +0200, Tobias Ellinghaus <[email protected]> > > wrote : > > > I haven't managed to take a correct picture, even though I > > > have followed the requested constraints : > > > - direct sunlight at noon > > > - 35mm objective (equivalent 50mm) > > > - deactivate all "enhance" options (except lens distortion) > > > - ISO 100 > > > - aperture between f/8 and f/11 > > > - bracketing 1/3 > > > > > > I'm using Gimp to sample the GS0 and GS23 patch, and I am always > > > either above 97% for the GS0 patch or under 3% for the GS23 patch > > > but never at the same time ! > > > > I never tried this myself for lack of such a target, but did you set > > your camera to shoot sRGB images? > > No I set it to Adobe RGB as it was specified : > - Set camera to Adobe RGB colorspace
Ah, you were following Pascal's thing. Well, with current versions of GIMP I am not sure if the color picker is useful for non-sRGB images. But as I never even read that colormatch page I am not aware of the details required. Sorry, maybe someone else has an idea. You could also try writing a mail to Pascal directly, he isn't on the mailing lists. Tobias
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