Tele Vue 4.7mm Ethos SX Eyepiece - 1.25"/2"

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Tele Vue 4.7mm Ethos SX Eyepiece - 1.25"/2"
$609.01
Item # TE-ETH-04.7
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  • This Tele Vue Ethos SX Eyepiece is offered in a 1.25"/2" barrel format with a 4.7mm focal length.
  • Designed and crafted to combine its exceedingly wide field of view - the same as the LEM Simulator optics.
  • This Tele Vue Ethos SX Eyepiece offers high contrast, color-rendition, distortion correction and center-to-edge sharpness needed to achieve that natural view.
  • Small exit pupil yields a darker background to enhance contrast.
Description

Details

Tele Vue 4.7mm Ethos SX Eyepiece - 1.25"/2"

Al Nagler eagerly pushed Ethos designer Paul Dellechiaie to extend the new 3.7mm focal length to reach 11°, the same field size as the LEM Simulator optics Al designed 45-years ago to train NASA astronauts for lunar landings.

The new 4.7mm Ethos-SX, like its 3.7mm progenitor, is designed and crafted to combine its exceedingly wide field of view with all the contrast, color-rendition, distortion correction and center-to-edge sharpness needed to achieve that natural view.

Compared to a lower power eyepiece with the equivalent TFOV (similar field stop) such as an 11mm Plössl (9.1mm field stop), the greater power - for higher resolution, and smaller exit pupil (for a darker background to enhance contrast) reveals a deep sky experience "even better than you imagined".

TeleVue 4.7mm Ethos SX Eyepiece Features

  • The 4.7mm is a 1¼" format and is parfocal with the wide range of 1¼" Tele Vue eyepieces.
  • 2" adapter included.
  • Weight: 1.15 lbs / 1.3 lbs with 2" adapter/stand
  • Eye relief: 15mm (accepts DIOPTRX eyesight astigmatism corrector)
  • Effective field stop diameter: 8.94mm
  • Focal length: 4.7mm
  • Apparent field: 11°
TeleVue Product Number: ETH-4.7
Additional Information

Additional Information

SKU TE-ETH-04.7
Manufacturer Tele Vue
Optical Design Ethos
Barrel Size 1.25"/2"
Warranty Lifetime Warranty
Eyepiece Field of View - Apparent 110º
Eyepiece Focal Length 4.7mm
Eyepiece Eye Relief 15mm
Eyepiece Manufacturer Series Televue Ethos
Eyepiece Weight 1 lb. 4.8 oz.
Field Stop 8.94mm
Special Feature None
Comes with Dust Caps? Yes
Comes with Eye Guard? Yes
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Included Items

Included Items

  • TeleVue 4.7mm Ethos SX Eyepiece - 1.25"/2"
  • Dust Caps
Questions & Answers

Product Questions

does the 2 inch adapter for the 4.7 mm Ethos have threads for 2 inch filters ? is it threaded for 2 inch filters ?
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