- 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
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.