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Brunton Eterna Full Size 8x45mm Binoculars

Item # HN-BRU031

Dimensions & Specifications

Binoculars Series
Brunton Eterna Binoculars
Close Focusing Distance
8 ft.
Dimensions (in)
6 x 5.1 x 2.2
Exit Pupil
5.6 mm
Eye Relief
20 mm
Field of View at 1000 Yards
315 ft.
Focus Type
Center Focus
Objective Lens Diameter
45 mm
Prism Type
Roof Prism Binoculars
Full Size Binoculars
28 oz.

Product Guarantee

Return & Exchange Policy

  • Oversized 45mm objective lens
  • 8x magnification
  • Waterproof, Fogproof and Nitrogen filled
  • Phase Coated
Full Description
Guarantee & Returns

Customer Q & A

3 Questions About This Product
Q: "I was just wondering why shipping is so long for the Brunton Eterna 8x45 binoculars (2 months??) I would like to purchase a pair but am wary about the delay"
A: The reason is that they are on backorder with Brunton as they wait to get them from their factories.
Q: "Hi, I just bought a pair of Brunton Eterna 7x45 binoculars at the Port Anransas Whooping Crane Festival. My question is: How do I keep the objective lens covers on? Thanks. Gerald Nyberg"
A: They should fit snug right on the objective. if they do not i would say contact Brunton as it sounds like something isn't working correctly.
Q: "I have a pair of Brunton 7x42 Eterna Waterproof binoculars (4002W) that I bought a few years ago. The rubber eye cubs have fatigued and torn from use. Where can I get replacements? Thanks?"
A: You should be able to secure replacement eyecups directly from Brunton. Here's the email address so you can get the process underway:
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