Tele Vue 10mm Ethos Eyepiece - 2"/1.25" - ETH-10.0 Compact Binoculars An optical chain is as

An optical chain is as good as its weakest link

5mm Zoom Solar Eyepiece - 1

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

reduced pincushion

Use it to safely remove fingerprints and smears from your optics without leaving residue behind

Tele Vue 10mm Ethos Eyepiece - 2"/1.25" - ETH-10.0 Compact Binoculars An optical chain is asAbout 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: