Ags Posted August 18, 2022 Share Posted August 18, 2022 https://www.firstlightoptics.com/light-pollution-reduction-imaging/optolong-3nm-dual-band-l-ultimate-light-pollution-filter.html Looks great. I wonder if you can use it with a mono sensor by simply stacking it with a dichroic red or green filter? Link to comment Share on other sites More sharing options...
michael8554 Posted August 20, 2022 Share Posted August 20, 2022 Hi Ags You'll have to explain what you hope this will achieve. Michael Link to comment Share on other sites More sharing options...
Ags Posted August 20, 2022 Author Share Posted August 20, 2022 Well it's Bortle 9 here, so I think it would work well with my color camera. Link to comment Share on other sites More sharing options...
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