DJ - When you say you see a difference, do you mean you've made a series of identically exposed negatives, developed one set in PMK for the "correct" PMK time for the contrast range of the scenes in that series of negatives as determined from proper testing, and the other set in a "normal" developer for the "correct" time for that developer as determined from proper testing, made the best print you can make of the PMK negative, and then were unable to duplicate that print from the "normal" negative? (i.e. your PMK prints were visibly different in some way from your "normal" prints despite your best efforts to make them appear identical). If that's what you're saying I'd like very much to see several of the comparison prints you used. If you're agreeable let me know by e mail and I'll send you an envelope with the postage prepaid so that you can send the prints to me and I'll return them to you in a couple days. I don't mean this sarcastically or as a snide "I dare you" challenge, I'm seriously interested in seeing your results because three people, two of us reasonably knowledgeable photographers and the third a photography teacher, tried to do this and we were unable to do it (i.e. we could always make a print from the "normal" negative that duplicated the print from the PMK negative). OTOH, if this isn't what you've done, and if instead you're just looking at some negatives developed in PMK and concluding that they look "sharper" or "better" than some entirely different negatives developed in other developers, then I don't think your observations are very significant or valid. Even assuming you can draw valid conclusions about two developers by looking at a random bunch of entirely different negatives (which I don't think you can do), if the differences in the negatives don't translate into differences in the prints, then who cares what the negatives look like?
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