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5nm vs 3nm narrowband filters
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22-03-2012, 10:56 PM
troypiggo
(Troy)
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Join Date: Nov 2008
Location: Brisbane, Australia
Posts: 4,846
From what I read on that Astrodon link I gave above, it's because of the high transmission of those filters. For both 3nm and 5nm the transmission is same percentage at the relevant wavelength.
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