50.8 mm (2") to 31.8 mm (1.25") adapters.
Black Anodized Metal Adapter For Connecting Accessories To 31.8mm Focusers Or Diagonals From 50.8mm.A Unlike The Following Has The Upper Base (Where It Supports The Eye) Flat. Closing By Bronze Ring That Allows You To Not To Damage The Metal Barrel Of The Eyepieces.
The TeleVue ACR-2125 adapters allows use of 1.25" eyepieces in any 2" focuser or diagonal. The "high-hat" adapter is specially designed with a high rise head to keep Tele Vue Barlows and Powermate amplifiers away from the diagonal mirror.