Purple flare: Causes and remedies

Started Mar 1, 2013 | Discussions thread
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Anders W OP Forum Pro • Posts: 21,466
Re: Purple flare: Causes and remedies

Prokyon wrote:

they are used in astronomy to reduce purple halo

http://cs.astronomy.com/asy/equipment/f/12/t/36802.aspx

OK. I have yet to try my old green filter. But, given my ideas of what the cause of the purpleness is, I have little reason to think it would work in this case.

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