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TeleVue - 31mm Nagler Type 5 Eyepiece

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With the 31mm, the unique 6-element design using four exotic glasses, maintains the contrast advancement of the Type 4s while achieving a true field area 82% larger than the 22mm Type 4!

SKU: EN5-31.0
Manufactured by:
TeleVue
 

Product Description

TeleVue 31mm Nagler Type 5 Eyepiece

With the 31mm, the unique 6-element design using four exotic glasses, maintains the contrast advancement of the Type 4s while achieving a true field area 82% larger than the 22mm Type 4!  Owners of fast Dobsonian/Newtonians can enjoy a larger true field, free of secondary shadowing, than ever before.  For example, a 12.5", f/4.5 scope with a Paracorr will deliver a 1.5 degree field (3 Moon diameters), at 53x with a 6mm exit pupil.   The 31mm Type-5 permits the largest (42mm field stop) true field possible.

 

Specifications

Name TeleVue - 31mm Nagler Type 5 Eyepiece
Manufacturer TeleVue
Model EN5-31.0
Custom Stock Status Available - Ships in 3-5 Days
Apparent Field of View 82°
Eye Relief 19mm
Eyepiece Barrel Size 2"
Field Stop Diameter 42mm
Focal Length 31mm

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