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PMK Pyro Development of Ilford Pan F


paul_brenner1

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I shot a roll of Ilford Pan F recently for the first time in a long

time. In checking development times, Gordon Hutchings (in his first

edition) indicates a time at 70 degrees of 12 minutes (??!??). In

the "Film Developing Cookbook", the time is indicated as 7.5 minutes.

 

After 30 years doing B&W, and 15 years of pursuing fine art B&W

seriously, I've found that absolute precision is not as important as

some folks might believe. However, we have a fairly big gap here!

 

Based upon my experience with FP4+, the "Cookbook" time seems a lot

closer to what I think is right. However, I'd be interested in

thoughts.

 

Thanks,

 

Paul

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Every time I've tried a new film in pmk, Gordon Hutchings times have been pretty much on the mark.

 

Is the pmk formula in the "Film Developing Cookbook" the same concentration and combination of chemicals as GH recommends? If so, then I am at a loss for the huge difference.

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Thanks for the feedback.

 

Since I posted my question, I went to web sources, including the Formulary. It indicates 9 minutes @ 70 degrees. That makes a lot of sense in relation to FP4+, listed as 10 minutes @ 70 degrees. I don't have a revised copy of Hutchings book, just the original (I really have been meaning to get a new copy!) I know that he revised several of his times recommendations, especially with Ilford film as it changed. 12 minutes was probably either a simple mis-print or for an earlier version of the film.

 

Paul

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