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[OM] vignetting

Subject: [OM] vignetting
From: Mike Johnston <michaeljohnston@xxxxxxxxxxxxx>
Date: Thu, 06 Jan 2000 15:56:49 +0000
>>>The vignetting could be a little disconcerting, but at F8/F11 (where
I
typically shoot) is it apparent?<<<

Vignetting with the XA I had was apparent at ALL apertures with slide
film, less a problem with neg film (either b&w or color). Generally, the
thinner the emulsion, the more apparent vignetting will be; I use Delta
100 to test for vignetting as it is a very thin single-layer emulsion
and it will show vignetting that Tri-X de-emphasizes. Overexposure also
tneds to de-emphasize optical vignetting.

--Mike


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