Askar ColourMagic 2" Duo-Band C2 Filter -SII + OIII - CM-DUO-C2 18 mm Eyepieces 3 mm AFOV: 82°

3 mm AFOV: 82°

Mount Weight (minus the counterweight) is 10 lb

This bag requires that you use the original foam for padding that your 81 mm telescope came boxed in

3um and increases resolution to 8288×5644

The Dew Shield DX provides a perfect

Askar ColourMagic 2" Duo-Band C2 Filter -SII + OIII - CM-DUO-C2 18 mm Eyepieces 3 mm AFOV: 82°Designed for deep sky imaging of emission nebulae with a color camera, the Askar ColourMagic C2 Duo Band Filter permits both Sulfur II and Oxygen III wavelengths through while blocking those that contribute to light pollution. The peak transmission is 90% at the center wavelength of 500. 7nm and 672nm. This combination will enhance contrast, darken the background sky, and produce better images of emission nebulae. While this filter is similar to the