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Achromatic scopes are bad for imaging at all?
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27-02-2020, 08:51 PM
Merlin66
(Ken)
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Join Date: Oct 2005
Location: Junortoun Vic
Posts: 8,907
Tareq,
Not all AP guys are just using just narrowband filters - you have to consider the use of L filters and RGB filters if you're really "serious"
This puts extra demands on the already very good ED type achromats.
Merlin66
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