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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.
Specifications for Televue Tele Vue ETH17 17.0mm ETHOS Eyepieces: