Tele Vue is known for its in-house eyepiece and telescope designs by Al Nagler; Televue ETH-17.0 17mm ETHOS Eyepiece matches all the key performance criteria of its siblings, the TeleVue ETH-13.0 13mm ETHOS Eyepiece, TeleVue ETH-8.0 8mm ETHOS Telescope Eyepiece, and the TeleVue ETH-6.0 6mm ETHOS Telescope Eyepiece. The new 17mm Ethos Eyepiece by TeleVue will give you an increased field for viewing the night sky.
The Televue ETH 17.0 mm ETHOS Eyepiece also features a new observing experience; a 100° apparent field of pure Tele Vue quality. With a 17mm focal length evoking the original Nagler revolution, the field area of this new eyepiece is more than 50% larger than an 82° field. The Tele Vue Ethos 17mm Eyepiece delivers comfortable eye-relief, accepts DIOPTRX eyesight astigmatism correctors, distortion correction, high contrast and on-axis sharpness for planetary viewing. These features make the TeleVue ETH-17 17mm ETHOS Telescope Eyepiece a wide field of view eyepiece that will open up new visual experiences, from small refractors to the largest Dobsonians.