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Re: filmscanners: Anti-Newton Rings powder



Thanks I've always wondered what the big deal with glass carriers was
because I figured dust would be a hassle, and any glass between the negative
and the sensor (be it CCD or PhotoPaper) simply serves to decrease contrast.
----- Original Message -----
From: "Tony Sleep" <TonySleep@halftone.co.uk>
To: <filmscanners@halftone.co.uk>
Sent: Friday, August 31, 2001 7:12 AM
Subject: Re: filmscanners: Anti-Newton Rings powder


> On Thu, 30 Aug 2001 21:46:48 -0400  Jim Snyder (jimsnyder@insight.rr.com)
> wrote:
>
> > Note that I never mentioned "powder".
>
> It does exist though, and is (or was) something weird like lycopodium
> spores I think. Glycerin is useable as a liquid, but washing and drying
> will be required afterwards.
>
> Best solution in enlargers is a half-glass carrier with Anti-NR glass in
> the top, IME. This is enough to flatten the film against the glassless
> lower carrier frame, without trapping dust against the emulsion.
>
> Regards
>
> Tony Sleep
> http://www.halftone.co.uk - Online portfolio & exhibit; + film scanner
info
> & comparisons




 




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