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TeleVue - 3.7mm Ethos-SX Eyepiece

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With 110°, the Ethos-SX has 21% more AFOV area than the 100° Ethos design. This permits a nice 62% power increase from a 6mm Ethos, while retaining 68% of its TFOV. The 3
SKU: TEL-ETH-03.7
Manufactured by:
TeleVue
 

Product Description

TeleVue 3.7mm Ethos-SX Eyepiece

 

With 110°, the Ethos-SX has 21% more AFOV area than the 100° Ethos design. This permits a nice 62% power increase from a 6mm Ethos, while retaining 68% of its TFOV. The 3.7mm actually has more TFOV than our 8mm Plössl, 6mm Radian, and 5mm Nagler Type-6!

In 1¼" mode, it is parfocal with the wide range of 1¼" Tele Vue Plössls, Panoptics, Radians, Naglers, Nagler Zooms, and 6mm and 8mm Ethos eyepieces. The screw-on 2" adapter (included) is designed to make it parfocal with 13mm and 10mm Ethos when they are used in their 2" modes.

Specifications

Name TeleVue - 3.7mm Ethos-SX Eyepiece
Manufacturer TeleVue
Model TEL-ETH-03.7
Custom Stock Status Ships in 3-5 Days
Apparent Field of View 110°
Eye Relief 15mm
Eyepiece Barrel Size 1.25" - 2"
Field Stop Diameter 7.04mm
Focal Length 3.7mm

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