Tele Vue Nagler Type-4 17mm Eyepiece (2")

Tele Vue Nagler Type-4 17mm Eyepiece (2")

Tele Vue Nagler Type-4 17mm Eyepiece (2")

B&H # TEEN417N MFR # EN4-17.0
Tele Vue Nagler Type-4 17mm Eyepiece (2")


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Product Highlights

  • 17mm Focal Length
  • 82° Field of View
  • 2" Diameter Barrel
  • Fully Multi-Coated Optics
  • 7-Element/5-Group Lens Design
  • Slip-Resistant Textured Surface
  • Instadjust Click-Stop Eyecup
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Tele Vue EN4-17.0 overview

  • 1Description

Inspired by the venerable Nagler design, the 7-element/5-group lens configuration employed in the Tele Vue Nagler Type-4 17mm Eyepiece maintains the contrast and clarity of the original design, and is optimized for deep-sky viewing.

Built to Tele Vue's exacting standards, the Type-4 features anti-reflection fully multi-coated optics to improve brightness, color rendition, and contrast. The proprietary click-stop Instadjust eyecup assures proper space between the eye and lens for eyeglass users, while blocking interfering stray peripheral light from distracting from the viewing experience for those not wearing eyeglasses. Despite its moderate focal length, the optical properties allow it to maintain an impressive 82° wide apparent field of view, and a long 17mm eye relief that provides ample space between the lens and eye to prevent accidental contact that can interfere with views. This model has a large 2" barrel diameter to make it even more comfortable to view through, and a textured rubberized grip for sure handling.

In the Box
Tele Vue Nagler Type-4 17mm Eyepiece (2")
  • Limited Lifetime Warranty
  • Table of Contents
    • 1Description

    Tele Vue EN4-17.0 specs

    Focal Length 17mm
    Barrel Diameter 2"
    Eye Relief 17 mm
    Field Stop Diameter 24.3 mm
    Apparent Field of View 82°
    Dimensions 2.6 x 2.4" / 6.6 x 6.1 cm
    Weight 25.6 oz / 725.75 g
    Packaging Info
    Package Weight 2.05 lb
    Box Dimensions (LxWxH) 5.7 x 3.3 x 2.9"

    Tele Vue EN4-17.0 reviews

    Nagler Type-4 17mm Eyepiece (2") is rated 5.0 out of 5 by 1.
    Rated 5 out of 5 by from What a MONSTER This is an amazing eye piece. I cannot speak highly enough of this 17mm Nagler, it is amazingly bright as well as super sharp. Probably my sharpest Nagler that I own. It has excellent eye relief and the push up system for eye placement is a joy to use. makes eye placement perfect every time. Great colour and contrast with no astigmatism...beautiful design..well done TV
    Date published: 2015-10-21
    • y_2018, m_9, d_17, h_14
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