Pyrocat-HD Report

I finally got around to doing a comparison test between Sandy King's Pyrocat-HD (phenidone and pyrocatechin) formula and PMK (metol and pyrogallol). Check out the results at http://unblinkingeye.com/Articles/Pyrocat/pyrocat.html. You may remember that Mr. King claimed equal quality with PMK, less toxicity, slightly greater speed, and more consistent staining action with Pyrocat. The Pyrocat stain is definitely more brown than PMK, but the two negatives print almost identically. Pyrocat seems to render a tad more shadow detail. I'm sufficiently pleased with the results to try some other films with this developer.

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