Altair Ha Oiii DualBand ULTRA 4nm CERTIFIED CMOS Filter 2" (Pre-owned) SII/OIII Dual Filter ASI2600MC/MM Duo’s max FPS in

ASI2600MC/MM Duo’s max FPS in RAW 8 mode at full resolution is 15FPS

Celestron’s award-winning Nature DX binoculars get a major upgrade with the addition of ED objective lenses

H-alpha filter is the first narrowband addition to LRGB set for most imagers who blend a black-and-white Ha image into RGB data to enhance structural detail while maintaining natural look

5" or 7" telescope

Telescope in photo is shown with an OPTIONAL LUNT ZOOM EYEPIECE

Altair Ha Oiii DualBand ULTRA 4nm CERTIFIED CMOS Filter 2" (Pre-owned) SII/OIII Dual Filter ASI2600MC/MM Duo’s max FPS inUsed filter, in great condition! The Altair Dual Band ULTRA Ha Oiii nebula filter comes with a high resolution spectrographic test report. Designed for imaging in extreme light pollution, E. g. in a major city, with a colour CMOS camera. This filter transmits only the H and Oiii light from emission nebulae, with almost total suppression of unwanted light, with OD6 (0. 0001%) over the majority of unwanted visual wavelengths* for ultimate contrast. USA