ALTAIR nickaltair Posted August 10, 2021 ALTAIR Share Posted August 10, 2021 Hi there, we've developed a new Altair Dual-Band 7nm filter for extreme light pollution - 6.5nm Oiii, 7nm Oii FHWM very steep bandpass for excellent contrast - OD4 99.9% blocking of unwanted wavelengths - Flat top profile for fast focal ratios - Complements Altair TriBand and QuadBand filters for those with severe light pollution - Easily image from central London Bortle 8, check out customer examples in the Altair Facebook group Quote Link to comment Share on other sites More sharing options...
Nightspore Posted August 10, 2021 Share Posted August 10, 2021 Can it filter out clouds? lol Quote Link to comment Share on other sites More sharing options...
Astroarg Posted October 13, 2021 Share Posted October 13, 2021 Recommend this.. as a user of a L-Extreme that caused my kit some halos, none on the same targets when using this.. examples can be found in the gallery 👍 Quote Link to comment Share on other sites More sharing options...
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.