Tenolian Bell Posted April 22, 2004 Share Posted April 22, 2004 A friend of mine and I were looking at photo scanners. We saw one that had 3.1 DMax he thought a scanner under 4.0 DMax wasn't worth it, but I said a desity of 1.2 is about 7 stops, 3.1 doesn't seem bad at all. I know in motion film scanning 2.0 is very dense negative, but I don't know much about scanning stills. Can someone enlighten me. Link to comment Share on other sites More sharing options...
Premium Member John Pytlak RIP Posted April 22, 2004 Premium Member Share Posted April 22, 2004 The characteristic curves (sensitometry) of Kodak motion picture films is published in each film's technical information, and posted on the Kodak website: http://www.kodak.com/US/en/motion/products...0.1.4.4.4&lc=en In general, the contrast of a camera negative film is approximately 0.6 , so if you have a 1000:1 brightness range in the original scene (3.0 log exposure), the density range you need to handle on the negative is approximately 3.0 x 0.6 = 1.8, plus the added density of the d-min (colored masking). Link to comment Share on other sites More sharing options...
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