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[filmscanners] Re: Avoiding Newton rings
>One way that this has been dealt with is by using a glass which has a
>very fine etched surface which creates very small "contact points"
>between the two surfaces. Another method is to use a very fine powder
>(talc is sometimes used) to again create this "airpace" with minimal
>contact points.
I have read about the fine powder technique before. But wouldn't this
degrade the scanned image (kind of act like dust particles)?
Brian P.
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