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Thanks for that Simon - I'm off to read it now.
Paul
PS So after having read the article in Simon's link it looks as though the correct choice for the 60Da would be the CLS-CCD filter.
+ve's: 1.Reduces LP significantly.
2. Reduces star 'bloating' by cutting out the IR and UV.
-ve's: 1. Longer exposures required to collect data.
Have I missed or misinterpreted anything?
Last edited by pfitzgerald; 06-03-2014 at 06:16 PM.
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