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Old 06-02-2014, 11:25 AM
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AG Hybrid (Adrian)
A Friendly Nyctophiliac

AG Hybrid is offline
 
Join Date: Nov 2009
Location: Toongabbie, NSW
Posts: 1,597
I have both the fringe killer and semi-apo filters from Baader Planetarium. I would recommend the semi-apo. It reduces CA on Sirus by about 80%. Your version of the AR102 is even faster than mine . The semi-apo does reduce light throughput very slightly where the fringe killer doesn't. However, the yellow tint introduced is much more pronounced in the fringe killer than the semi-apo. Its very slight in the semi-apo filter.
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