I'm hoping somebody can help with some info. I'm scanning 5x7 negs on a Microtek 1800f, placing the negs emulsion side down directly on the scanner glass. Sometimes the scans are perfect, other times there are lots of Newton Rings. I've been wet-mounting negs on the scanner glass with mixed results - the main problem being small bubbles in the liquid. I've read that some people use a sheet of anti-newton ring glass on top of the neg. How exactly does this work? I understand that between the neg and the AN glass there should be no rings, but wouldn't there still be rings between the scanner's glass and the negative? How does putting a piece of AN glass on top of the neg help - or am I missing something?
Thanks in advance!
Dave
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