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a spotting scope
The Celestron Nature DX ED 10x42 Binoculars are a great companion for nature observation and bird watching
it is entirely electronic
375 inch surface
Altair Ha Oiii DualBand ULTRA 4nm CERTIFIED CMOS Filter 2" (Pre-owned) Mounting Hardware a spotting scopeUsed 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
