Re: What's the deal with the anti-Newton FH869G that causes Newton rings?

--- In coolscan8000-9000%40yahoogroups.com">coolscan8000-9000yahoogroups.com, "David J. Littleboy"
<;davidjl...> wrote:
&gt;
>
> From: "Alan" <alan.browne...>
>
>
> > After an excruciatingly long wait I finally get the FH869G for my
9000.
> >
>; > Nikon site says: anti-Newton.
> >
>; > Anti-Newton what? 'cause I get Newton rings.
&gt;
> The _top_ glass is anti-newton. The bottom glass isn't.
&gt;
> The _theory_ is that the unevenness in the emulsion side should
break up
> Newton's rings. But it doesn't.
>
> So you use masks (either the provided ones or cut your own out of
something
> appropriate) to hold the film off the lower glass. The AN upper
glass pushes
> the film flat.

With the mask + strips I still get some Newton rings, and maybe I
misclosed the holder (flare on left).

http://www.aliasimages.com/images/DafStonesStripCRP.jpg
http://www.aliasimages.com/images/DafStonesStripSect.jpg

I'll do another one later... gotta go get more memory for the
computer. It's thrashing like crazy with CS3 and 2 GB.

Cheers,
Alan

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