Deal opened this issue on Mar 24, 2000 ยท 19 posts
arcady posted Sun, 26 March 2000 at 3:47 AM
Jim: Nothing in the physical world has a 1.0 Gamma. 1.0 Gamma means perfect color reproduction with no dot gain. It's physically impossible. Dot gain exists on all substrates with all inks. Gamma 1.8 is still the standard for print work. You can set a monitor to 1.0 Gamma with the right software, but it will look artifical as it will be too even toned compared with the physical world. See p. 84 of the Photoshop 5/5.5 manual. Also see the book "Scanning the Professional Way" if you have a graphic design book store nearby which recommends 1.8 for low-key images, 1.2for low-key, and 1.5 for balanced midtone images (also on p84 of this book). See also: http://www.vtiscan.com/~rwb/gamma.html http://www.cgsd.com/papers/gamma.html JeffH sees a 2.2 Gamma as acceptable because while PCs are supposed to have 2-2.2 they often end up in the 2.5 or worse range. Compared to that and with images made under that setup a 2.2 might actually seem bright enough.
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