pyro, N, N+1, and N-1

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jbrodkey

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Sep 30, 2003
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I've been using TMax 100 with TMaxRS and Pyro for every other film. Thinking of doing the TMax with pyro as well. With the TMax I have been adjusting EI as well as development time to get N+1 and N-1. But the change in EI is less than a one stop difference and I am concerned that this small difference is not very important considering all the other variables involved. I am wondering how many people change the EI as well as the development time to adjust CI or whether most people just change the development time to change contrast. I'm particu;larly interested in your experiences with pyro.....
 

Jorge

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As a rule of thumb when you are doing development adjustements you should change the EI if you have done the necesary testing. In my experience I have seen the EI changes with the zone system to be lower than when you do the BTZS.

EI changes are also different for Tmx films than for regular films. Seems the Tmx films require smaller changes than a "regular" film.

In any case I do change EI depending on the SBR.
 
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