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I don't know what is it. The definition is valid for DIN degrees.
I don't know what it is either. Let's scrap it unless we find someone who can cite a source. The only points I know of are color correction (CC) points, which are hundredths of a decade. E.g. a CC +5M filter is magenta, by attenuating green light, dividing its intensity by 10 to the power 5/100.
The DIN/ISO speed steps are not points, but degrees, I think. Dicklyon 05:33, 28 April 2006 (UTC)
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I don't know what is it. The definition is valid for DIN degrees.
I don't know what it is either. Let's scrap it unless we find someone who can cite a source. The only points I know of are color correction (CC) points, which are hundredths of a decade. E.g. a CC +5M filter is magenta, by attenuating green light, dividing its intensity by 10 to the power 5/100.
The DIN/ISO speed steps are not points, but degrees, I think. Dicklyon 05:33, 28 April 2006 (UTC)