Tele Vue Ethos 17mm Ultra Wide-Angle Eyepiece (2")

Tele Vue Ethos 17mm Ultra Wide-Angle Eyepiece (2")

Tele Vue Ethos 17mm Ultra Wide-Angle Eyepiece (2")

B&H # TEEP17E MFR # ETH-17.0
Tele Vue Ethos 17mm Ultra Wide-Angle Eyepiece (2")


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Product Highlights

  • 17mm Focal Length
  • Wide 100° Field of View
  • 2" Diameter Barrel
  • Fully Multi-Coated Optics
  • Slip-Resistant Textured Surface
  • Parfocal with 31mm Type-5 Eyepiece
  • Fold-Down Rubber Eyecup
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  • 1Description

With its exceptional 100° field of view, the Tele Vue Ethos 17mm Ultra Wide-Angle Eyepiece offers a comfortable eye relief with high contrast, excellent on-axis sharpness, and virtually zero astigmatism or field curvature.

This Tele Vue features anti-reflection fully multi-coated optics to improve brightness, color rendition, and contrast, and a fold-down rubber eyecup that helps to block stray peripheral light, avoiding interference with the views and further enhancing contrast. Combining a hyper-wide field of view with a long focal length, the eyepiece delivers moderate to low magnifications on most telescopes — offering expansive views of the night sky and an immersive observational experience. This eyepiece features a large 2" barrel diameter to make it even more comfortable to view through and a textured rubberized grip for sure handling. An ideal companion to the 31mm Nagler Type-5 eyepiece, the 17mm Ethos is parfocal, requiring little to no refocusing when switching between the two. It is also compatible with the astigmatism-correcting DIOPTRX diopters to further improve the view.

In the Box
Tele Vue Ethos 17mm Ultra Wide-Angle Eyepiece (2")
  • Limited Lifetime Warranty
  • Table of Contents
    • 1Description
    Focal Length 17.0 mm
    Barrel Diameter 2.0"
    Eye Relief 15 mm
    Field Stop Diameter 29.6 mm
    Field of View 100°
    Dimensions 5.9 x 2.4 / 15.0 x 6.1 cm
    Weight 24.8 oz / 703.1 g
    Packaging Info
    Package Weight 2.25 lb
    Box Dimensions (LxWxH) 8.3 x 4.3 x 4.3"
    Ethos 17mm Ultra Wide-Angle Eyepiece (2") is rated 5.0 out of 5 by 3.
    Rated 5 out of 5 by from Great Piece of Glass It's heavy and expensive. Light from the universe traveled millions of years to reach your telescope. Don't go cheap on the last few inches of light's journey to your eye.
    Date published: 2016-03-23
    Rated 5 out of 5 by from Awesome!! Awesome spacewalk feel!! Moon is awesome with this in my 8SCT.
    Date published: 2011-11-16
    Rated 5 out of 5 by from Ethos!! No comparison. Perfect for my C9.25 SCT.
    Date published: 2010-07-09
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