Tele Vue 13mm Ethos 2'' / 1.25'' Eyepiece with 100 Degree Field of View.


Tele Vue 13mm Ethos 2'' / 1.25'' Eyepiece with 100 Degree Field of View. by Tele Vue at Toni Lynn Photography. MPN: ETH13.0. Hurry! Limited time offer. Offer valid only while supplies last. Tele Vue is known for its in-house eyepiece and telescope designs by Al Nagler; our 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


Tele Vue 13mm Ethos 2'' / 1.25'' Eyepiece with 100 Degree Field of View. by Tele Vue
4.8 out of 5 stars with 37 reviews
Condition: New
Availability: In Stock
$628.00


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Product Description & Reviews

Tele Vue is known for its in-house eyepiece and telescope designs by Al Nagler; our 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 (technical reference), 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. At the 2007 Northeast Astronomy Forum, 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 is essentially multiple e

Features & Highlights

  • Apparent Field of View - 100 degrees
  • Focal Length - 13mm
  • Effective Field Stop - 22.3mm
  • Eye Relief - 15mm (accepts DIOPTRX eyesight astigmatism corrector)
  • Barrel Size - 2"/1.25"

Additional Information

Brand:
Tele Vue
Manufacturer:
Tele Vue
Category:
Eyepieces
Model:
ETH130
MPN:
ETH13.0
Part Number:
ETH13.0
Publisher:
Tele Vue
Binding:
Electronics
Package Weight:
1.75 pounds
Package Size:
4.4 x 4.1 x 7.5 inches

 


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