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Old 06-01-2009, 08:34 AM
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johnfreeman johnfreeman is offline
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Join Date: Nov 2007
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Default To borax: vignetting

Hi Stephane,
I was actually surprised by the vignetting with the Canon 17-40, at least at 17 mm. In this case I corrected the falloff in luminosity in the bottom corners but decided to leave it in the sky as I quite liked the effect for precisely the reason you mentioned. I noticed that the Mk II has a function to automatically correct for falloff in luminosity at corners so I'll have to check that out.
Thanks for your critique.
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