[filmscanners] RE: Avoiding Newton rings

["Paul D. DeRocco" <pderocco@ix.netcom.com>]

If the only texture is behind the image, it would add grain, but at least it
wouldn't blur the image. I find that an anti-Newton slide mount, which has
textured glass on both sides, does blur the image a bit.

--

Ciao,               Paul D. DeRocco
Paul                mailto:pderocco@ix.netcom.com

> From: Arthur Entlich
>
> I'm not sure I accept this statement.  If the texture is visible in
> scans, it would show up on either side, unless the depth of focus/field
> had a very fast drop off to limit the ability to have the texture in
> focus. With the surface of the anti-newton glass being literally
> contacting the film surface, I would expect any texture would be
> recordable regardless of which side it appeared on, relative to the
> scanning mechanism, being that the scan is a transmissive type, not
> reflective.

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