Celestron 8" Rowe-Ackermann Schmidt Astrograph Optical Tube Assembly - 91073 Roof Prism Binoculars and a 6x30 finderscope

and a 6x30 finderscope

A set of 3 Star Knobs for the MiniTower/MiniTower II/MiniTower Pro/AZ Mount Pro level adjustment

while keeping weight to a minimum

Once the slop factor is taken away

75" in (44 mm)

Celestron 8" Rowe-Ackermann Schmidt Astrograph Optical Tube Assembly - 91073 Roof Prism Binoculars and a 6x30 finderscopeCelestron 8" Rowe Ackermann Schmidt Astrograph Optical Tube Assembly Flat image field free of optical aberrations like field curvature, coma, astigmatism, and chromatic aberration across an entire APS C sensor NEW Ultra Stable Focus System six precision sealed ball bearings virtually eliminate image shift Integrated air cooling system 12V DC MagLev fan reduces cooldown time and provides optimal air flow while filtering out dust Internal filter mount