TeleVue 17mm Ethos Eyepiece
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TeleVue 17mm Ethos Eyepiece

The 17mm Ethos stands out as one of the more useful focal length eyepieces available and it offers an expansive 100 degree apparent field. Whether you favor a Dobsonian, Schmidt-Cassegrain or refractor, the 17mm Ethos is sure to please.

When it comes to eyepiece focal lengths, 17mm stands out as one of the more useful options available. Place it in a typical f/10 Schmidt-Cassegrain for a bright 1.7mm exit pupil to coax out those faint fuzzies. Place it in a big f/4.5 Dobsonian or a fast apochromatic refractor and enjoy a huge field of view. If your telescope and your budget can handle it, this is one eyepiece you won't want to be without.

Celebrate the start of the International Year of Astronomy 2009, the 400th anniversary of Galileo's first use of an astronomical telescope, by showing friends and neighbors the best of our wonderful universe. The TeleVue philosophy (Ethos, if you will) has always been about inspiring


Our price: $760.00

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Eyepiece Focal Length 17 mm
Apparent Field 100 degrees
Eye Relief 15 mm
Barrel Diameter 2 inches
Eyepiece Weight 24.8 ounces
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