Comments: 6
Darvia123 [2013-01-04 19:28:15 +0000 UTC]
Cool! Why is there a big dark spot in the sky?
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xAgNO3x In reply to Darvia123 [2013-01-22 12:20:56 +0000 UTC]
I think it's due a circular polarizer, probably an Hoya HD one. I have one, and it has that tendency. I don't know what about polarizers of others brands/models.
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