>Many observations lead me to accept Ctein's criterion of 30 lp/mm as necessary for "perfect sharpness" in a print.
Sal, Ctein's test, it must have been 10 years ago, really rocked me. You are the first person who ever referenced it! Of course, other than contact prints, there is no chance of getting this level of detail into a print. I applaud your high standards!!
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