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TeleVue - 4.7mm Ethos SX 110° Eyepiece

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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
SKU: TEL-ETH-04.7
Manufactured by:
TeleVue
 

Product Description

TeleVue 4.7mm Ethos SX 110° Eyepiece

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".

The 4.7mm is a 1¼" format and is parfocal with the wide range of 1¼" Tele Vue eyepieces. 2" adapter included.

Performance Summary with Tele Vue Scopes

Telescope

Mag.

TFOV

Exit
pupil

TV-60,
TV-60is

76.6x

1.42°

0.78 mm

TV-76

102.1x

1.07°

0.74 mm

NP-101,
NP-101is

114.9x

0.95°

0.88 mm

TV-85

127.7x

0.85°

0.67 mm

NP-127is

140.4x

0.78°

0.90 mm

TV-102,
TV-102iis

187.2x

0.58°

0.54 mm

 

 

 

 

 

 

 

 

Specifications

Name TeleVue - 4.7mm Ethos SX 110° Eyepiece
Manufacturer TeleVue
Model TEL-ETH-04.7
Apparent Field of View 110°
Eye Relief 15mm
Eyepiece Barrel Size 2" and 1¼"
Field Stop Diameter 8.94mm
Focal Length 4.7mm

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