Archived posting to the Leica Users Group, 2020/04/23
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Identical in Edge or Firefox, Dell calibrated monitor On 4/23/2020 12:01 PM, Brian Reid wrote: > I've been looking into complaints that the LUG gallery is muddying > many images that Bill Clough is posting. They don't look muddy to me, > but I believe the people who say that they see mud. > > After some research, I determined that the majority of his images in > the gallery are tagged with the ICC profile "Gray gamma 2.2", which is > put there by his film scanner. I have a profile by that name on my > computer, so when I clicked on his images, the conversion was done > correctly by my image viewing software and I saw what he intended. > > I wonder how many LUG people are seeing mud. Do you see any > significant difference between the image quality of these two images: > > A: > http://gallery.leica-users.org/d/486424-2/Harvest_+Estes+Park_+1987.jpg > > B: http://reid.org/~brian/images/Estes%20Park%20with%20sRGB%20profile.jpg > > On my screen, those images look very similar but not totally > identical. I guess it depends on which software component is doing the > color transformation. > > If you don't see much of a difference, that means that your computer > is dealing successfully with the unusual but not illegal profile "Gray > gamma 2.2", which is intended as a Photoshop preview-mode > pseudo-profile and not an imbedded profile. I guess nobody told this > to the manufacturer of Bill's scanner. > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information