Tele Vue 5X Powermate - 1.25" - (Pre-owned) 72 mm Refractors There are two screw holes

There are two screw holes on one side of the black bracket

③ 2″ filter

Aperture (mm): 234

5-elements 3-groups lens structure

System includes the B1800 blocking filter which provides full disk images

Tele Vue 5X Powermate - 1.25" - (Pre-owned) 72 mm Refractors There are two screw holesIn excellent condition About the TeleVue 5X Powermate 1. 25" To understand the TeleVue Powermate, we must first understand the Barlow lens. Barlows amplify the power of a telescope. They can be considered "focal reducers" for eyepieces, or "focal extenders" for objectives. Terence Dickenson, in his Barlow test report in Sky and Telescope says: "Technology has erased the old objections. A modern Barlow will not degrade your telescope''s optics. Anyone