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About the Rigel Quickfinder Red Circle Reflex Sight
Extremely high transmission results in maximum contrast and isolation of planetary details
Comes with two adapters (
Optical Density: ND5
Adjustable counterweight shaft for 0º latitude operation
Askar ColourMagic Ultra 2" Duo-Band E1 Filter - Ha + OIII - CM-DUO-E1 Vaonis Smart Telescopes About the Rigel Quickfinder RedDesigned for deep sky imaging with color astro cameras, the Ultra E1 filter, as the name suggests, includes "Ultra" halo control capability. Askar Ultra E1 duo band filter has an extremely narrow bandwidth, and an ultra high transmittance of over 85% at its center wavelength (500. 7nm and 656. 6nm). It can effectively eliminate the influence of light pollution. Even if you are in an area seriously affected by light pollution, pictures taken with the
