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#1
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18% grey point on a film curve
given a characteristic curve of a slide ( netgative ), what density
value corresponds to 18% grey? some one said it is the D1.0, some others said it is D0.75, which one is right and where these magic numbers come from ? thanks. |
#2
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18% grey point on a film curve
In article .com,
"Steven Woody" wrote: given a characteristic curve of a slide ( netgative ), what density value corresponds to 18% grey? some one said it is the D1.0, some others said it is D0.75, which one is right and where these magic numbers come from ? thanks. They aren't magic just based on sensitometry. If you get books written by Phil Davis "BTZS" or various books by Zakia and Todd you should have a better understanding. BTW I opt for .75 -- The things we hate most in life often turn out to be a mirror image of ourselves. But if your going to hate someone Matt Clara says its ok to hate him. Findmedirectly - "infoatgregblankphoto.com" |
#3
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18% grey point on a film curve
Greg "Blank" - Lizard King. wrote: In article .com, "Steven Woody" wrote: given a characteristic curve of a slide ( netgative ), what density value corresponds to 18% grey? some one said it is the D1.0, some others said it is D0.75, which one is right and where these magic numbers come from ? thanks. They aren't magic just based on sensitometry. If you get books written by Phil Davis "BTZS" or various books by Zakia and Todd you should have a better understanding. BTW I opt for .75 in my country, i can not find the book :-( can anyone please to explain the original question for me ? -- The things we hate most in life often turn out to be a mirror image of ourselves. But if your going to hate someone Matt Clara says its ok to hate him. Findmedirectly - "infoatgregblankphoto.com" |
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