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[filmscanners] Re: Shadow speckling



on 4/1/03 6:40 PM, Peter Klein at pklein@2alpha.net wrote:

> I love CN Black and White film.  It has a beautiful look and tonal range,
> and it scans well.  But there's one problem.  Take a look at the following
> picture, a crop of a larger scan, reduced 50%.  It's a picture a friend
> took of me with strong sidelight, on Kodak Portra 400 B&W.  It's 138K, no
> adjustments besides the size and conversion to Jpeg.
>
> http://www.2alpha.com/~pklein/temp/25PeterSidelightSummilux.jpg
>
> See how the shadow side of my face is all speckled?  Instead of fading to
> black, the scan fades to grit.  I used to think that this problem was just
> grain aliasing with my 2700 dpi Nikon LS-2000 scanner.  But this shot was
> scanned with my friend's 4000 dpi Poloroid (the one that takes both 35mm
> and 120 film).
>
> I've been plagued with these grungy shadows whenever I use CN film in
> available-light situaitons.  Can I get the expertise of the group on how
> to avoid them?  If I have to expose supposedly 400 ISO film at 200, that
> limits the usefulness of CN film.  I loved printing for rich, black
> shadows in the wet darkroom.  I'd like to get them out of scans as well.
>
> Thanks,
> --Peter Klein
> Seattle
>
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Have you printed the same image in a traditional darkroom?  It would be
worth a try.  It does look like underexposure, as you suggested.

Berry

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