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[filmscanners] Re: grain

  • To: lexa@www.lexa.ru
  • Subject: [filmscanners] Re: grain
  • From: "Steve Woolfenden" <swoolf@global.co.za>
  • Date: Fri, 15 Feb 2002 11:13:55 +0200
  • References: <memo.20020213153709.49275B@tsphoto.cix.co.uk>
  • Unsubscribe: mailto:listserver@halftone.co.uk

> My negs are developed commercially - they use Ilfotech so they're not>
especially grainy at all . I dont understand the term "grain aliasing"?

Aliasing products caused by grain size and distribution
interfering(optically) with pixel size and distribution. The effect is
exageratedapparent grain, much worse than seen in the film

> The> scans , unless I'm missing something [in Nikon scan] , are done
without> any> fiddling.......

Check. Some versions of NS had sharpening turned on by default. I don'tknow
about 2.5 on.

> If it turns out that theirs not much to be done , which B&W films do give>
good results with this scanner??

Chromagenic B&W (XP2, TMax400CN) are pretty much immune to the
effectcompared to silver images. The ODR is kinder too.

Thanks for the info Tony , Bob and Mark - I'm using NS 3 and have checked
that sharpening is turned off . Strangely enough I was about to try a roll
of the new Portra 400 B&W which everyones going on about - will have to see
how it scans.....

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