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5nm vs 3nm Ha Filters- the NII question
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05-08-2016, 11:11 AM
Merlin66
(Ken)
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Join Date: Oct 2005
Location: Junortoun Vic
Posts: 8,907
Another option is to double stack a couple of 5nm filters.
This will result in a bandwidth of 2.5nm and about a 50% reduction in transmission.
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