[pure-silver] Re: newton ring problem figured out

Maybe the top glass should be on bottom?   ---Harry
> -----Original Message-----
> From: pure-silver-bounce@xxxxxxxxxxxxx
> [mailto:pure-silver-bounce@xxxxxxxxxxxxx] On Behalf Of Shannon Stoney
> Sent: Friday, July 20, 2007 12:09 PM
> To: pure-silver@xxxxxxxxxxxxx
> Subject: [pure-silver] newton ring problem figured out
> 
> 
> A few months ago I posted a question about what was causing a weird
> white ring on my prints. It was diagnosed as a symptom of Newton Rings,
> and then the question was:  why did the Newton rings form?  I had to
> leave Houston where my darkroom is for a few months, but last weekend I
> was back in Houston and I investigated the problem further. I found
> that the glass carrier does have anti-newton glass on top, but the
> glass is beveled so that the rough side is up!
> 
> The discussion on this list made me understand that the rough side
> should be in contact with the film base side of the negative.  But, in
> my carrier, the way it is beveled forces you to put the top glass in so
> that the smooth side touches the film base.
> 
> I guess the only solution is to have the glass re-beveled so that the
> rough side is in contact with the film base side of the negative,
> correct?
> 
> --shannon
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