from Stouffers. Should be interesting. I am starting with what I had come up with by scratching an exposed negative with a razor blade and straight edge. Will see what this yields as my base. Not only for focus, but for resolving power. All files are wet scanned using Kami scan fluid and optical mylar on ANR glass from Betterscanning and the better scanning variable height holder. My determined height initially is .125mm or 3.048mm.
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