Tele Vue 17mm Ethos Eyepiece - 2" - ETH-17.0 Compact Binoculars or the equivalent of a

or the equivalent of a 12

Works in both 1

Aperture (mm): 40 mm (1

The 2" barrel is threaded to accept standard screw-on filters

Apparent Field with 1

Tele Vue 17mm Ethos Eyepiece - 2" - ETH-17.0 Compact Binoculars or the equivalent of aAbout the TeleVue 17mm Ethos Eyepiece 2" 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: high