Tele Vue 10mm Ethos Eyepiece - 2"/1.25" - ETH-10.0 Compact Binoculars The lenses of the Sky

The lenses of the Sky Mentor 3X Five Element Barlow Lens - 2" are fully multi-coated to ensure high light throughput

The optical design of the Hyperions enables them to work as an extremely sharp wide-field projection eyepiece for even large chip CCD and DSLRs

An optical chain is as good as its weakest link

About the TeleVue 2" Focuser Extension Tube

Powermates include other Tele Vue special touches such as safety undercuts where practical on the chrome barrel and captive lock screws that can''t fall out

Tele Vue 10mm Ethos Eyepiece - 2"/1.25" - ETH-10.0 Compact Binoculars The lenses of the SkyAbout the TeleVue 10mm Ethos Eyepiece 2" 1. 25" Tele Vue is known for its in house TeleVue Telescope Eyepiece and TeleVue Telescope designs by Al Nagler; and their latest telescope eyepieces brings new meaning to the term "in house." The concept for this TeleVue Telescope Eyepiece series was proposed by Tele Vue President David Nagler, with performance parameters giving it the fundamental characteristics (the ethos) of a TeleVue Telescope Eyepiece: