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Old 18-09-2008, 05:22 AM
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pmrid (Peter)
Ageing badly.

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Join Date: May 2008
Location: Cloudy, light-polluted Bribie Is.
Posts: 3,762
concentric rainbow artifact

I have a Meade Super Plossl 32mm eyepiece that exhibits an odd (and seems fatal) flaw - in the image there are two or possibly more concentric rainbows. Is it the coating that is flawed or what?
Peter
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