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Stargazing July 13th ✦ 7pm-10pm
Stargazing July 13th ✦ 7pm-10pm

17mm Ethos

by TeleVue
SKU ETH-17.0

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The Televue 17mm Ethos Eyepiece provides a 100° apparent field for a true "spacewalk" view of the night sky. Distortion correction, high contrast and on-axis sharpness for wide field planetary viewing. Televue 17mm Ethos Eyepiece provides a generous 15mm of eye relief for comfortable observing. Accepts DIOPTRX eyesight astigmatism correctors. The Televue 17mm Ethos Eyepiece is a 2" barrel size and weighs 1.55 lbs (24.8 oz.). Dramatic mid-level magnification views combine with stunning wide field backgrounds.


  • Apparent Field: 100 deg
  • Focal Length: 17mm
  • Effective Field Stop: 29.6
  • Eye Relief: 15mm (accepts DIOPTRX eyesight astigmatism corrector)
  • Barrel Size: 2"
  • Weight: 1.55 lbs./24.8 oz.