Thread: Bi wavelength filter!
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  #7  
Old 04-03-2019, 03:48 PM
gb44 (Glenn)
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gb44 is offline 		 
Join Date: Jul 2012
Location: Gold Coast
Posts: 275
Ok thanks.

I also found this $300 filter.
https://www.cyclopsoptics.com/filter...pectra-filter/

GlennB
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