Tele Vue 2x Powermate - 2" - PMT-2200 Binoculars lateral color

lateral color

including the desert southwest

TeleVue 9mm Nagler Type 6 Eyepiece design is based on the original patented Nagler design

25" - Satin Black Features

Tele Vue 2x Powermate - 2" - PMT-2200 Binoculars lateral colorAbout the TeleVue 2x Powermate 2" 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 telling you otherwise is