Sky-Watcher Evostar EDX 80 APO Doublet - S11135 Bahtinov Masks Progressive scan

Progressive scan

And because the filter is no longer perfectly straight in the beam path

Celestron Origin Mark II centers it precisely in the field of view

Weight (oz): 12

Objective: ED Triplet Lens

Sky-Watcher Evostar EDX 80 APO Doublet - S11135 Bahtinov Masks Progressive scanSky Watcher Evostar EDX 80 Limited Edition APO Doublet! Doublet apochromatic optical design Two element, air spaced optical assembly minimizes false color 80mm aperture, 600mm focal length, f 7. 5 focal ratio FPL 53 glass 2. 8 inch dual speed Crayford style focuser Thread on dew shield Aluminum tube coated with glossy, white metal flake finish Included accessories: Tube rings, 2. 8 inch Crayford style focuser, camera angle adjuster, thread on dew