CELESTRON SCHMIDT-CASSEGRAIN 1.25 Telescope Lens

A Visual Back is a metal adapter that screws onto the standard rear cell threads of Schmidt-Cassegrain and Maksutov-Cassegrain telescopes and accepts 1.25” accessories, including diagonals, eyepieces (for straight-through viewing), Barlows, webcams, and any other accessory with a 1.25” insert barrel.All Celestron 5”, 6”, 8”, 9.25” and 11” Schmidt-Cassegrains come standard with the 1.25” Visual Back. Features: - Threads onto the rear of Celestron 5” - 11” Schmidt-Cassegrain telescopes. - Accepts any accessory with a 1.25” insert barrel, including diagonals, eyepieces, Barlows, and other adapters