Tele Vue Ethos 13mm 1.25 inch Eyepiece - 100 degree Apparent Field of View $650.00,Free Shipping,  Televue ETH-13.0,Telescope Accessories Accessories, On Sale
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Tele Vue Ethos 13mm 1.25 inch Eyepiece - 100 degree Apparent Field of View

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MSRP: $780.00
Sale Price: $650.00
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Savings $130.00

TeleVue Eyepiece Ethos 13mm 1.25" ETH-130

Item No. 704-11000
Manuf. No. Televue ETH-13.0

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Tele Vue is known for its in-house eyepiece and telescope designs by Al Nagler; their latest eyepiece brings new meaning to the term "in-house". The concept for this eyepiece was first proposed by Tele Vue President David Nagler, with performance parameters giving it the fundamental characteristics (the ethos) of a Tele Vue eyepiece: high contrast, comfortable eye relief and full field sharpness. Control of astigmatism, field curvature, lateral color, angular magnification distortion correction, and low pupil sensitivity for daytime use were specified criteria.

Following Tele Vue's philosophy of pushing the state of the art, long-time Tele Vue employee and optical design protege Paul Dellechiaie took up the challenge and designed the basic eyepiece form. Under Al's guidance, Paul tweaked his design to fulfill the original goals.

While sharpness is inherent to the optical design, contrast is maximized through the intelligent use of flat finished baffles and ultra low reflectance, high efficiency coatings tuned to the composition of each element.

Tele Vue 13mm Ethos Specifications

  • Apparent Field of View: 100 degree
  • Focal Length: 13mm
  • Effective Field Stop: 22.3mm
  • Eye Relief: 15mm (accepts DIOPTRXTM eyesight astigmatism corrector)
  • Barrel Size: 2" / 1.25"
  • Weight: 1.24lbs.

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