[filmscanners] Avoiding Newton rings

["Anthony Atkielski" <anthony@atkielski.com>]

I use the glass 120 film holder on my LS-8000ED because I need to be able to
hold the film flat, however, I have a lot of trouble with Newton rings.  The
weird thing, though, is that some images have multiple instances of the
rings, and others have none.  This implies that the rings are not inevitable
when scanning, only common ... so there must be a way to avoid them.  What
causes the rings on some images but not on others, and what can I do to
avoid them when preparing and loading the film?



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