Originally Posted by
mdm
One can argue ad infinitum about fancy scans on fancy scanners. For an idiot like me scanning 5x7 negatives at 800spi or making contact prints, f64 is not a problem. You need a small aperture to get enough dof sometimes, and it has taken me more than a year to work it out.
Two examples attached scanned at 800spi. Shanghai 100 in Pyrocat M. I used the fp4 reciprocity chart and ended up with 2 to 3 1/2 minute exposures. Identical window light. 210mm Sironar S. Theese are at 1:1. No sharpening. Used a dof calculator to work out that I only had 5cm of dof to work with, even at f64.
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