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S&T Test Report: A Triple-Digit Field of View

S&T: Dennis di Cicco
Tele Vue's 13-mm Ethos eyepiece, with a 100° apparent field of view, is poised to revolutionize deep-sky observing, as the first Nagler eyepiece did 26 years ago.

Inside the October issue of Sky & Telescope. On newsstands September 4th!



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