From: garimo (omirag@cruzio.com)
Date: 10/28/01-11:47:01 AM Z
>he different lights that was observed and reported for
>carbon and Van Dyke. The speed point of gum was virtually identical
>to that of carbon, which I would have expected, while cyanotype was
>about two full stops slower.
Hello,
I'm confused by your use of the word "stops". I have a understanding
of the word when used with measuring/limiting the amount of light that
passes through a aperture. But I am not understanding how you use it
for measuring speeds of exposure.
garimo
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