Making scans of color negatives [was: Is there a profile with inverted values for soft proofing color negatives?]
Making scans of color negatives [was: Is there a profile with inverted values for soft proofing color negatives?]
- Subject: Making scans of color negatives [was: Is there a profile with inverted values for soft proofing color negatives?]
- From: Marco Ugolini <email@hidden>
- Date: Sat, 19 Sep 2009 19:31:01 -0400 (EDT)
Joel Mark wrote:
> Try Ian Lyons' method at this link:
> http://www.computer-darkroom.com/tutorials/tutorial_6_1.htm .
I agree that starting off by scanning a color negative as positive (and always in 16 bits!) is a good way to do it. I have done it that way myself, with more-than-decent results.
But one thing is left untouched in Lyons' otherwise good tutorial: which RGB color space (ICC profile) should one assign to the scan?
That is not a trivial question, since it affects both the tonal distribution and the color gamut of the resulting image.
It's a step for which I myself have not yet found a completely satisfactory formula. I would be curious to see how others tackle this specific challenge (the one of determining which RGB profile to assign to the positive scan of a color negative).
Marco Ugolini
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