Thread: I’ve been wondering...
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Old 15-09-2020, 04:36 PM
MarkInSpace (Mark)
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MarkInSpace is offline 		 
Join Date: Jul 2020
Location: Melbourne
Posts: 221
I’ve been wondering...
If I am doing narrow band imaging - is there any value in buying an APO? As long as I use very narrow narrow band filters and refocus between filters, does APO help me? If so, how?
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