{"closeOnBackgroundClick":true,"bindings":{"bind0":{"fn":"function(){$.fnProxy(arguments,\'#headerOverlay\',,\'\');}","type":"quicklookselected","element":".ql-thumbnail .Quicklook .trigger"}},"effectOnShowSpeed":"1200","dragByBody":false,"dragByHandle":true,"effectOnHide":"fade","effectOnShow":"fade","cssSelector":"ql-thumbnail","effectOnHideSpeed":"1200","allowOffScreenOverlay":false,"effectOnShowOptions":"{}","effectOnHideOptions":"{}","widgetClass":"OverlayWidget","captureClicks":true,"onScreenPadding":10}

 22 of 54 
Orion Telescopes
31mm Type 5 Tele Vue Nagler Telescope Eyepiece
Accepted Payment
Expected Ship Date: 01/01/2022

  • This 31mm focal length 2" Nagler eyepiece provides stunning views of wide swaths of the night sky
  • The Nagler eyepiece's 82deg apparent field of view seems almost boundless
  • Features long 19mm eye relief for comfortable viewing with or without eyeglasses
  • 31mm 2" eyepiece features exquisite sharpness, contrast and comfort
  • Threaded for use with 2" eyepiece filters

Learn more
Item #  08375
Mfg Model #  EN5-31.0

Looking through a Nagler eyepiece is like taking a spacewalk. That's because the 82° apparent field of view seems almost boundless: you have to move your eye around to take in the entire scene. The exquisite sharpness, contrast, and comfort — in addition to the monster AFOV — make Naglers the eyepieces of choice for advanced amateur and professional astronomers.

Nagler eyepieces belong in the equipment arsenal of every serious planetary and deep-sky observer.

With this 31mm Nagler eyepiece, 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 Nagler! 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.


This product is serviced and supported by its manufacturer according to the terms and conditions included in the packaged product. Orion's limited warranty does not apply. Please contact the manufacturer directly for technical support.


Please note this product was not designed or intended by the manufacturer for use by a child 12 years of age or younger.

  • Design
  • Eyepiece focal length
  • Barrel size
  • Apparent field of view
  • Eye relief
  • Coatings
    Fully multi-coated
  • Number of elements
  • Filter threads
  • Parfocal
  • Field stop diameter
  • Barrel security recess
  • Blackened lens edges
  • Rubber eyeguards
  • Body material
  • Case
  • Weight (oz.)
  • Dimensions
    5.3 in. x 3.3 in.
  • Additional included accessories
  • Other features
  • Warranty
    Limited lifetime

Orders received by 1pm Eastern Standard Time for in-stock items ship the same business day. Order received after noon will ship the next business day. When an item is not in-stock we will ship it as soon as it becomes available. Typically in-stock items will ship first and backordered items will follow as soon as they are available. You have the option in check out to request that your order ship complete, if you'd prefer.

I am not sure which Televue eyepiece series to purchase, Nagler, Panoptic or Radian. I wear glasses occasionally for distance, but not for viewing through binoculars. I will be buying my first telescope from you shortly and am planning to buy either the Meade LX200GPS 10", 12" or 14" with UHTC. I want to decide how much money I am willing to spend first. I will want a set of Televue eyepieces for my new scope due to the excellent reputation and reviews I have read. This will be my first telescope. I notice the Naglers have the widest field of view and the shortest eye relief. I assume the Radian have the narrowest field of view with the longest eye relief. Any suggestions?
If this is your first scope I suggest going with the Nagler. Even though they will have the shortest eye relief the extra wide field of view will come in very handy as you are trying to learn how to use your scope. The easiest way to say it is that the wider the field of view the more forgiving it is when aligning on very distant objects.

Will these eyepieces work with my Celestron AstroMaster 70?
Yes the 1.25" TeleVue Nagler Telescope Eyepieces will work with a Celestron AstroMaster 70.

{"closeOnBackgroundClick":true,"bindings":{"bind1":{"fn":"function(event, startIndex, itemCount, newItems) { QuickLookWidget.assignEvents(newItems); $(\".Quicklook > .trigger\", newItems).bind(\"quicklookselected\", function(event, source, x, y) {\'#_widget1470174021067\', event, source, x, y); }); }","type":"itemsloaded","element":".PagedDataSetFilmstripLoader > .trigger"},"bind0":{"fn":"function(){$.fnProxy(arguments,\'#_widget1470174021067\',,\'\');}","type":"quicklookselected","element":".Quicklook > .trigger"}},"effectOnShowSpeed":"","dragByBody":false,"dragByHandle":true,"effectOnHide":"fade","effectOnShow":"fade","cssSelector":"ql-category","effectOnHideSpeed":"1200","allowOffScreenOverlay":false,"effectOnShowOptions":"{}","effectOnHideOptions":"{}","widgetClass":"OverlayWidget","captureClicks":true,"onScreenPadding":10}