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Old Jan 31, 2008, 10:43 AM   #1
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Hi guys,

As you can see on the picture below, sometimes I get very questionable spots on images I take with my S3IS. Sometimes I see a bunch of rings scattered all over the picture, according to my observation always appearing when I shoot in dark backgrounds. Sometimes they are there and sometimes not. What could possibly cause them? I inspected the lens (at least what I could see of it) thoroughly but couldn't see any dirty spots, not anything that could cause so many rings as on the picture. I'll include in a following post an image taken at very similar light conditions but with very few spots, barely noticeable in one corner. Could it be a light reflexion issue? A friend of mine also suggested that the matrix inside needs cleaning.
Any help or hints will be appreciated, thanks!

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Old Jan 31, 2008, 10:45 AM   #2
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Here is the second image...

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Old Jan 31, 2008, 11:03 AM   #3
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It's caused by dust particles in the air. The light from the flash reflects from them causing the spots you're seeing.



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Old Jan 31, 2008, 11:20 AM   #4
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Thanks a lot, I was afraid there was something wrong with my camera.
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