From: Sandy King (sanking@clemson.edu)
Date: 09/22/02-09:00:02 PM Z
Jeffrey D. Mathias wrote:
>
>I do not agree with Bob Herbst's inference that pyro gives the best
>separation of highlight values, linear contrast or longer scale
>negatives than all other film/developer combinations (I am sure it does
>with some). However, with the Tri-X HC-110 I have been able to
>reproduce N-4 to N+4 developments with great consistency and
>occasionally N+5 (These are for Pt/Pd printing which would be even
>higher contrast adjustments for Ag). These are very linear and
>certainly can be the longest of scale. I get great highlight separation
>and if I want to take full advantage of it print in Pd or "build" a new
>negative.
Are you adjusting development for N+ situations with TRI-X and HC-110
by varying the dilution of the developer, or by varying time? Or both?
Sandy King
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