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Product Discontinued by Manufacturer
TeleVue Nagler 31.0mm Type 5 Eyepiece EN5-31 has been discontinued by Tele Vue and is no longer available. Our product experts have helped us select these available replacements below.
Product Info for TeleVue Nagler 31.0mm Type 5 Eyepiece EN5-31
TeleVue Nagler 31.0mm eyepieces Type 5 EN5-31 provide unique 6-element design with four exotic glasses, maintaining the contrast advancement of the TeleVue Type 4 eyepieces while achieving a true field area 82% larger than the TeleVue Nagler 22.0mm 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 with a TeleVue Paracorr will deliver a 1.5 degree field (3 Moon diameters), at 53x with a 6mm exit pupil.
Specifications for TeleVue Nagler 31 mm eyepieces EN531:
| Focal Length: | 31mm | |
| Apparent Field of View: | 82° | |
| # of Elem.: | 6 | |
| Barrel Dia.: | 2" | |
| Eye-relief: | 19 | |
| Weight: | 2.20 lb / 35.2 oz | |
| Field Stop diameter: | 42.0mm | |
| Works in Bino Vue: | N | |
Package Contents:
- TeleVue Nagler 31.0mm eyepiece
Package Contents:
- TeleVue Nagler 31.0mm Type 5 Eyepiece EN5-31