Archived posting to the Leica Users Group, 2003/10/31

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Subject: [Leica] OT Funny rings on digital image
From: "Aram Langhans" <langhans@compwrx.com>
Date: Fri, 31 Oct 2003 12:37:37 -0800

A friend of mine with a Canon D10 took some shots of the northern lights 
yesterday.  He had the camera set to ISO 400 when this was done.  There 
are some funny concentric rings in the image.  He thought they might be 
because of a UV filter, but I told him I didn't thing so. He mentioned 
that he asked on dpreview.com and someone with the same camera had the 
same problem.

Here is the shot in question.  One version is full frame and the other in 
an enlarged center portion.  If anyone has a good explanation for this, 
please comment either on or off list. 

http://www.compwrx.com/langhans/full_shot.jpg
http://www.compwrx.com/langhans/enlarged_shot_with_rings.jpg

Aram

langhans@compwrx.com

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Replies: Reply from Henning Wulff <henningw@archiphoto.com> (Re: [Leica] OT Funny rings on digital image)
Reply from Mark Rabiner <mark@rabinergroup.com> (Re: [Leica] OT Funny rings on digital image)
Reply from "Richard Ogden" <richard@ogdenonline.co.uk> (Re: [Leica] OT Funny rings on digital image)
Reply from "Sonny Carter" <sonc@sonc.com> (Re: [Leica] OT Funny rings on digital image)
Reply from Tina Manley <images@InfoAve.Net> (RE: [Leica] OT Funny rings on digital image)