Originally Posted by
big_ben_blue
There's a little back story to my asking. I am doing a lot of photoshopping for a large museum, and lately they are digging out slides from their archive (nothing antique or spectacular, just regular stuff done over the years). However the drum scans they got done by a pro-lab look not exactly awe inspiring to put it mildly. I was rather surprised to find the images in 8 bit CMYK mode (about 60mb in size) with questionable tonality (contrast and sharpness all the way up, clipped highlights and shadows, topped with an very noticeable cyan cast). The pics also contained a number of weird scanning artifacts (some looked like tartan squares in a regular pattern; other pics had a distinct halo like "glowing" of the subjects against a dark background).
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