Tele Vue 2.5X Powermate - 1.25" - PMT-2513 13mm Eyepieces About the TeleVue Dioptrx Adapter

About the TeleVue Dioptrx Adapter - Nagler Type 6

TeleVue Eyeguard Extender Specifications

with wide fields

CCD or film

About the Meade Series 4000 Super Plossl 9

Tele Vue 2.5X Powermate - 1.25" - PMT-2513 13mm Eyepieces About the TeleVue Dioptrx AdapterAbout the TeleVue 2. 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 telling you