Thread: Filters for f1.9 use??
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Old 30-01-2013, 01:18 AM
originaltrilogy (Petr)
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originaltrilogy is offline 		 
Join Date: Oct 2011
Location: Bathurst, NSW
Posts: 116
Filters for f1.9 use??
I want to get set of very narrow filters (3nm) for use with hyperstar at f1.9

I see some filters not rated for use at less than f3, why is this? How does it affect?
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