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Old 03-09-2006, 10:13 PM
tornado33
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tornado33 is offline
 
Join Date: Jan 2005
Location: Newcastle, NSW, Australia
Posts: 4,116
Howdy Eric, the darkening could be a mix of vignetting and also darkening due to atmospheric extinction. I dont think its vignetting alone as it isnt perfectly even in all 4 corners.
Scott
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