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How much vignetting is normal?
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16-08-2015, 02:12 PM
Shiraz
(Ray)
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Join Date: Apr 2010
Location: ardrossan south australia
Posts: 4,918
that looks fine to me Colin. After flat fielding, you will have a very slight reduction in SNR in the corners (about 10%) but that will be right on the edge of visibility, so forget it.
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