Sigma 30 strange effect? Or what is going on here? An optical puzzle.

Started Oct 26, 2012 | Questions thread
JamF
New MemberPosts: 8
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Re: Sigma 30 strange effect? Or what is going on here? An optical puzzle.
In reply to cwinte, Oct 26, 2012

I think it is the ghosting effect from lens flare. I have seen it in pictures taken with my Sigma 30 when pointed towards a strong light source. My eye glasses have that effect too. At certain angle it can cast a detailed image of the light. It's like an x-ray image of the light source in blue or green.

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