> Contrast is the slope of the tonal curve not the >number of tones, so there is no particular reason >that BO printing should be more or less contrasty > than any other method. They are related . . . Think of it this way - at maximum printer resolution it can only represent 46 distinct tonal values in the surface area of the paper where the pixel might have any value from 0-255. That means that if you have two pixels next to each other that are closer together in value than 2% it will either render them with the same value (zero contrast) or it will render them 2% different - (exaggerated contrast). Since your eye won't see ANY different in the former case it won't notice it (although if you look closely you'll see loss of detail), but in the latter case it will see exaggerated contrast, so that's what people will notice about the print.
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[Digital BW] Re: Myth: was Any New 2200 BW for PC's?
2003-07-27 by Peter Nelson
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