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Tele Vue Ethos 4.7mm Eyepiece

Tele Vue Ethos 4.7mm Eyepiece
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Price:  £595.00(Inc. 20% VAT)
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Product Code:  ETH-04.7
Manufacturer:  TeleVue
Eyepiece Type:  Super-Wide Angle
Field of View:  110 degrees
Barrel Size:  1.25" and 2" Eyepiece

TeleVue


Al Nagler eagerly pushed Ethos designer Paul Dellechiaie to extend the new 3.7mm focal length to reach 110°, 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 Plossl (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".

The 4.7mm is a 1.25" format and is parfocal with the wide range of 1.25" Tele Vue eyepieces. 2" adapter included.

Specifications:

Model #  -  ETH-04.7
Focal Length (mm)  -  4.7
Barrel Size (in.)  -  2" and 1.25"
Apparent Field of View (deg.)  -  110
Eye Relief (mm)  -  15
Weight (lb / oz)  -  1.30 / 20.8
Field Stop (mm)  -  8.94

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