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Forums > Back > What is this optical phenomenon? Donut-shaped focus/blur?
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#7
02-20-2015, 01:14 PM
Second the vote for constructive/destructive interference.

 

What happens if you move the star chart away from the centre of the lens?

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What is this optical phenomenon? Donut-shaped focus/blur? - by Guest - 02-20-2015, 01:14 PM

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