ALTAIR nickaltair Posted June 23, 2022 ALTAIR Share Posted June 23, 2022 Hi there we are testing the new batch of 2" Altair 4nm Dual Band CMOS filters at the moment. We'll start shipping them sometime next week after final inspection, cleaning and mounting. Each filter comes with an individual test report graph showing the bandpass, another first I believe. With this bandpass and OD blocking, you can image in mid summer, full moon, the city centre at Bortle 9, etc. A few example filter test spectrographs from this batch: Quote Link to comment Share on other sites More sharing options...
TerryMcK Posted June 23, 2022 Share Posted June 23, 2022 They sound great Nick. Quote Link to comment Share on other sites More sharing options...
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