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Old 13-12-2013, 04:55 PM
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Merlin66 (Ken)
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Merlin66 is offline
 
Join Date: Oct 2005
Location: Junortoun Vic
Posts: 8,927
I agree!
A plain parallel glass plate (ie a filter) can't introduce CA.
Must be as a result, as said, of the bandwidth(s) and focal ratio....
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