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  1. TeleVue - 3.7mm Ethos-SX Eyepiece

    TeleVue - 3.7mm Ethos-SX Eyepiece

    With 110°, the Ethos-SX has 21% more AFOV area than the 100° Ethos design. This permits a nice 62% power increase from a 6mm Ethos, while retaining 68% of its TFOV. The 3 ... Learn More
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    (48 States)
    Model#: ETH-03.7
    10% off!

    Regular Price: $650.00

    Special Price: $585.00

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Your eyepiece is half the telescope, use the best -- Tele Vue" - said Jack Marling, founder of Lumicon Co. "Fast" telescopes (f/4-f/6) of all types -- refractors, reflectors, Schmidt Newtonians, Mak-Newtonians require the finest eyepieces for sharp, full field viewing. Every Tele Vue eyepiece is personally tested at f/4 by our quality control staff to ensure the sharpest full field possible. It is the nature of optics that being the best in fast scopes also always assures the best performance in "slow" scopes. While every Tele Vue eyepiece type will yield the critical center sharpness so necessary for planetary viewing and splitting double stars, observers get the added bonus of a sharp wide field and comfortable eye relief with the different design models. The Tele Vue Plössls are patented to be sharper over a larger field than any competing brands of Plössls or Orthos. Tele Vue 60° Radians, 68° Panoptics, 82° Naglers and 100°  Ethos are the eyepieces of choice, along with the 50° Nagler 2mm--4mm and 3mm--6mm zoom, for full field sharpness. The finest performance requires the finest materials such as high index lanthanum and fluorite type glasses, in some cases costing up to 15x more than ordinary glass types. At Tele Vue we ask "how can we make it better", rather than "how can we make it cheaper." We think you'll agree that the views are worth it.