Thread: Which Filters
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Old 09-10-2011, 04:29 PM
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avandonk
avandonk

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Join Date: Aug 2005
Location: Melbourne
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All is explained here Mike.

http://www.astrodon.com/Orphan/astro...arrowband/#h11

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What About Using Narrowband Filters with Faster Optics?



Bert
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