Opticallimits > Forums > Just Talk > What is this optical phenomenon? Donut-shaped focus/blur?
Opticallimits > Forums > Just Talk > What is this optical phenomenon? Donut-shaped focus/blur?

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What is this optical phenomenon? Donut-shaped focus/blur?
Scythels
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#5
02-12-2015, 07:42 PM
It's an optical characteristic of the lens if changing focus a bit doesn't alleviate it.  No idea what it is specifically in that case.

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What is this optical phenomenon? Donut-shaped focus/blur? - by Scythels - 02-12-2015, 07:42 PM

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