TeleVue 76 mm f/6.3 APO Refractor Telescope - White - WXO-3065 Schmidt-Cassegrain Telescopes They can be considered "focal

They can be considered "focal reducers" for eyepieces

Focal Length: 2032 mm

Lock it firmly in place with the focuser or adapter thumbscrew

It must be used in conjunction with a Lunt Blocking Filter

TeleVue 76 mm f/6.3 APO Refractor Telescope - White - WXO-3065 Schmidt-Cassegrain Telescopes They can be considered "focalTeleVue 76 mm f 6. 3 APO (Doublet) Refractor Telescope White OTA From astronomical, to spotting, to birding, the Tele Vue 76 combines compact size with the APO optical performance of the Tele Vue 85. Small size and lighter weight permit use of lighter duty tripods for easy field carrying and transportation. The padded shoulder bag provides protection and room for the scope and six eyepieces. The TeleVue 76 mm f 6. 3 APO Doublet Refractor makes a