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TeleVue ETH-13.0 13mm ETHOS Telescope Eyepiece w/ FREE UPS

TeleVue ETH-13.0 13mm ETHOS Telescope Eyepiece
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Product CodeTV-TA-ETH13
SKUETH-13.0
List Price$775.00
Sale Price$572.99
You Save$202.01 (26%)
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TeleVue ETH-13.0 13mm ETHOS Telescope Eyepiece Product Info

Tele Vue is known for its in-house eyepiece and telescope designs by Al Nagler; Televue ETH-13.0 13mm ETHOS Eyepiece brings new meaning to the term ?in-house.? The concept for this Tele-Vue eyepiece was first proposed by Tele Vue President David Nagler, with performance parameters giving the eyepiece 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 (technical reference), and low pupil sensitivity for daytime use were specified criteria.

Following TeleVue?s philosophy of pushing the state of the art, long-time Tele Vue employee and optical design prot,g, 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 once again broadened the amateur astronomer's perspective on the universe and introduced a new observing experience; 100§ of pure Tele Vue quality. With a 13mm focal length evoking the original ?Nagler? revolution, the field area of this new eyepiece is more than 50% larger than an 82§ field. The Tele Vue Ethos 13mm Eyepiece is essentially multiple eyepieces, delivering the true field size of a longer focal length, narrower apparent field eyepiece with the benefits of higher power and darker sky background. Take a look and see the universe with a field of view incredibly wide and sharp! TeleVue is very pleased indeed by the response and validation of Tele-Vue design goals

Specifications for Televue Tele Vue ETH13 13.0mm ETHOS Eyepieces:

Apparent Field:  100§
Focal Length:  13mm
Effective Field Stop:  22.3mm
Eye Relief:  15mm (accepts DIOPTRX? eyesight astigmatism corrector)
Barrel Size:  2?/11/4?
Weight:  1.25lbs.

Tele Vue ETHOS ETH-13.0 Telescope Eyepiece Instruction Sheet (Adobe PDF)

Package Contents:

  • Televue 13 mm ETHOS Eyepiece ETH-13

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TeleVue ETH-13.0 13mm ETHOS Telescope Eyepiece Options

Product CodeUPCSKU
TV-TA-ETH13ETH-13.0