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 2007 issue of Sky & Telescope. On newsstands September 4th!
Equipment: Guides & Recommendations
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 2007 issue of Sky & Telescope. On newsstands September 4th!
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