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Re: filmscanners: Vignetting?
Rob Geraghty wrote:
> Apologies to those who are using the digest, because the attached picture
> will appear as encoded ascii. A while back I was in touch with a guy from a
> stock photo company and I sent a low res jpeg of a photo of mine, which he
> claimed showed vignetting. Now to me, vignetting in the camera is caused by
> a wide-angle lens "seeing" the edges of a filter. Years ago I did make the
> mistake of putting a polariser on the end of a lens which already had a UV
> filter on it, and this certainly caused vignetting. But the effect I
> believe he was attributing to vignetting is caused by a polariser - the sky
> tends to be darker at the edge of the photo, sometimes on one side,
> sometimes both depending on the angle to the sun.
>
> Would anyone on the list call the variation in the sky in the attached jpeg
> vignetting? I don't find the effect objectionable, but are publishers
> really likely to?
>
It is vignetting, but can also be caused by light falloff at the edges of the
lens.
Jim Snyder
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