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Tele Vue Ethos 13mm Eyepiece

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In stock, Shipped in 1-2 working days
Product Code
Eyepiece Type
Super-Wide Angle
Field of View
100 degrees
Barrel Size
1.25" and 2" Eyepiece
Email us a question about this ProductTeleVue

Tele Vue Ethos 13mm Eyepiece

Tele Vue have not specifically endorsed the 13mm Ethos for Bino-Vue use because of the large diameter barrel. Even so, they were advised by Mike Harvey at the Winter Star Party (February 2008) that only 1-person in 25 had interpupilary limits with the bino'd Ethos (63.5-mm for the initial production 13mm).

However, since many customers have been thrilled with the experience, Tele Vue have maximized the potential use by narrowing the barrel from 63.5-mm to 62-mm diameter for eyepieces delivered beginning mid-March 2008. While the difference is only 1.5-mm, (or 0.75-mm for pairing a first production unit with current production) they decided to make this small change public, in case you want to give it a try.


Specifications: Tele Vue Ethos 13mm Eyepiece

  • Model #  -  ETH-13.0
  • Focal Length (mm)  -  13
  • Barrel Size (in.)  -  2" & 1.25"
  • Apparent Field of View (deg.)  -  100
  • Eye Relief (mm)  -  15
  • Weight (lb / oz)  -  1.30 / 20.8
  • Field Stop (mm)  -  22.3

What's in the Box

What's in the Box: Tele Vue Ethos 13mm Eyepiece

  • Tele Vue Ethos 13mm Eyepiece
  • Eye Lens Cap
  • Nosepiece Cover
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