> From: Johnny Eades [mailto:jeades1@...] > > There has been something I have noticed when I changed from Gray > Gamma 2.2 to Gray Gamma 1.8. When I have the 21 step grayscale which > has the density marked in percentages,and I pass the eyedropper tool > over the 50% square and am using GG 1.8; the number of the percentage > is 58% and the number relative to 0 to 255 is 148. If I reset the > Gray Gamma to 2.2 the numbers match the grayscale markings.I have > come to realize the grayscale was intended to be viewed at GG 2.2. > Does anyone have a grayscale that is calibrated with the numbers to > be viewed at GG 1.8. Even the grayscale from PiezographyBW is marked > like the GG 2.2 scale and Jon Cones recommends the monitor and the > workspace of Photoshop both be GG 1.8. Has anyone else dealt with > this question and resolved it to their satisfaction yet? If so please > share with this group. I wouldn't think I was the only one noticing > this anomaly. Just assign the 1.8 profile, instead of converting to it. -- Ciao, Paul D. DeRocco Paul mailto:pderocco@...
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RE: [Digital BW] difference in Gamma 1.8 and Gamma 2.2 numbers
2004-03-24 by Paul D. DeRocco
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