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Old 13-12-2016, 02:54 PM
GSO
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GSO is offline
 
Join Date: Dec 2016
Location: Oxley QLD
Posts: 5
Baader semi apo filter

Hi all, newbie here, I did try a search on the topic but couldn't see any results...?

Has anyone used this Baader filter - I'm wondering if it would improve the performance of an achro?

Thanks
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