Re: Speed point of photosensitive materials

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From: Judy Seigel (jseigel@panix.com)
Date: 10/30/01-10:53:57 PM Z


On Tue, 30 Oct 2001, Jeffrey D. Mathias wrote:
> The key is to select the exposure that gives a dark enough black, but is
> close enough to having good discrimination from the shorter exposures of
> Zone I. When this test strip is exposed through a film with base plus
> fog of the image negative, this black will be the maximum possible black
> that can be produced in the print. That is: if more exposure is given,
> the print will look too dark, and if less exposure is given, the print
> will have a lighter maximum black.

Now you remind me -- I think it was Carl Weese said the idea is to get the
tone a bit up off the toe by making it 90% black. (It's all this digital,
drives the other stuff off the screen.)

Judy


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