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TeleVue Ethos 21 mm Tele Scope Eyepiece
$797.99 $1,075.00 Save 26%
Code: TV-TA-ETH-210
MPN: ETH-21.0
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TeleVue Ethos 21mm Telescope Eyepiece Product Info

TeleVue 21 mm Ethos Telescope Eye Piece ETH-21.0 transforms your passage through the Milky Way with a powerful combination of contrast, power and field. Largerimage deep sky objects and rich star fields are its natural playground. Looking on-axis your field-of-vision is filled with 100° of stars. This scope accessory from Tele-Vue provides sharpness and richer contrast. This TeleVue tele scope accessory features the maximum true field of view and has no significant vignetting at the edge of the field. Also TeleVue 21-mm Telescope Eyepiece is parfocal with the 31mm Nagler Type 5 (EN5-31.0) by Tele Vue. Ethos 21mm EyePiece accepts Dioptrx Astigmatism Correction Telescope Lenses, that gives you the ability to compensate for your own eyesight astigmatism with a superb multi-coated lens providing your exact correction, rotation orientation and centration over the eyepiece.

Specifications for Televue 21mm Ethos Telescope Eyepiece:

Apparent field: 100°
Focal length: 21mm
Effective field stop: 36.2mm
Eye relief: 15mm (accepts Tele Vue's Dioptrx astigmatism corrector)
Barrel Size: 2"
Weight: 2.25 lbs

Features of Tele Vue Ethos Eyepieces 21 mm:

  • Provides the maximum true field of view and has no significant vignetting at the edge of the field
  • Accepts TeleVue Dioptrx Telescope Lenses
  • Parfocal with Televue 31-mm Nagler Type 5 (EN5-31.0)

Package Contents:

  • Tele Vue Ethos 21.0 mm Telescope Eyepiece

TeleVue Ethos 21mm Telescope Eyepiece Related Products

TeleVue Ethos 21mm Telescope Eyepiece Comments

Customer Reviews
Helpful Positive Review 21mm Ethos - Exceptional Eyepiece by Legacy Reviewer, September 25, 2010
As an active amateur astronomer of 25 years I have to say that Televue has done it again... Created another amazing eyepiece. This occular provides the highest contrast and widest field of view of any 21mm eyepiece out there. I have owned and/ or vi...
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5/5 found this helpful
Most Recent Review execlent service by Legacy Reviewer, June 5, 2011
will contilue to buy your products Pros: everything Cons: none
Most Recent Review Televue 21 Ethos by Legacy Reviewer, April 17, 2011
I am very pleased with this eyepiece and have used it many times this month in my Celestron C100ED and my Meade 127ED. I can only give positive reviews and recommend this series of eyepieces to anyone who has and regularly uses a mid sized to larger ...
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Most Recent Review Awesome! by Legacy Reviewer, September 30, 2010
This is a spacewalk in a lens with no exageration!! If your thinking about purchasing one, GET IT! You wont be disappointed! Its well worth the price! Pros: Everything! Cons: None!
0/1 found this helpful
Read All 4 Reviews