Celestron 8" Rowe-Ackermann Schmidt Astrograph Optical Tube Assembly - 91073 Skywatcher SynScan 25" Eyepiece Adapter w/ Twist-Lock

25" Eyepiece Adapter w/ Twist-Lock

Linear Field of View (@1000 yds): 429 ft (131 m)

When amateur astronomers observe the Moon

0 and brighter down to 4

Celestron 8" Rowe-Ackermann Schmidt Astrograph Optical Tube Assembly - 91073 Skywatcher SynScan 25" Eyepiece Adapter w/ Twist-LockCelestron 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