Either you found the silver bullet that can give optimal results for every film, shot every way, with no variatons in development technique....or...you're not that picky.
I started developing with D76, but as I'm in a small apartment, mixing up a gallon of chemical is a bit of a pain.
Take Prescysol EF (or absolutely any developer).
Any method of using it with any given film that gives what any individual would qualify as an optimized result (by any criteria, ZS, BTZS, measured desitometry, you name it) to produce a tonal match for any given paper, generic "grade two," whatever you like...for this same methodology to produce the same result with any other film would be something beyond coincidence.
For one scheme to come up "trumps" for even two films, let alone all films begs the question of how tightly one defines "trumps."
There is a lot of latitude for defining "latitude" and it could mean anything up to and including the abillity to manage to make acceptible prints with VC paper and the whole box of filters.
I'm not prepared to believe that there is a developer in existance that can eliminate the emulsion of the film itself as a variable.
I'm not prepared to believe that there is a developer in existance that can eliminate the emulsion of the film itself as a variable.
Michael - have you used precysol and/or do you understand the chemistry? If not, I think your scepticism might be a bit more guarded. I haven't, but when I looked into it a while ago there were plenty of data sheets and testimonials online to support the single development time for different films. I was a bit sceptical myself but like Stoo and the OP I like to leave the testing to others and follow the advice of reliable and proven practitioners. Seems to me Stoo's suggestion was more than suitable for the challenge issued by the OP.
RELAX! Your tone feels like a finger poking in the chest....
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