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Nikon

Nikon 8x40 Action EX Extreme, Water Proof Porro Prism Binocular with 8.2 Degree Angle of View, U.S.A.

SKU: NK840AE MFR: 7238
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About the Nikon 8x40 Porro Prism

Nikon's Action EX, Extreme All Terrain Binoculars are designed to appeal to optics users who value tough construction and reliable optical performance under even the most extreme conditions.

The Nikon Extreme binoculars feature an all-metal chassis with lens fittings housed in a tough, lightweight polycarbonate body shell. Like all Nikon All Terrain Binoculars, the EX is nitrogen-filled and O-ring sealed for total waterproof, fogproof and shockproof performance in any environment. The binocular is ergonomically shaped, tripod adaptable and rubber coated for a non-slip grip, whether wet or dry.

The new Extreme ATB offerings utilize high-resolution lenses and prism systems crafted from Nikon's exclusive Eco-Glass, which is made without the use of arsenic or lead. This lens system provides an extremely clear, distortion-free image over the entire field of view. The lens elements each incorporate multi-layered anti-reflective coatings formulated to deliver optimum brightness, high contrast, true color rendition and flare-free viewing in most lighting conditions.

The Action EX series binoculars each feature a unique, click-stop eyecup design that not only delivers long eye relief, but also allows for variable eye relief that is customizable to the user's own eyes and eyeglasses. The binoculars are central focus with a diopter control to correct for normal right/left eye vision imbalance.

Each model is covered by Nikon's 25-year Limited Warranty, as well as Nikon's exclusive No Fault Repair/Replacement Policy.

The Nikon 8x40 Porro Prism is commonly used for Bird watching, Wildlife viewing and more.The Nikon 8x40 Porro Prism is most used by customers who consider themselves to be a Casual/ recreational among others.The Nikon 8x40 Porro Prism is popular because customers like the following qualities of the Nikon 8x40 Porro Prism: Close focus, Quality lenses, Strong construction, Waterproof and Works well with glasses.

Nikon 8x40 Porro Prism Includes

  • Carrying Case
  • Neck Strap
  • Rainguard
  • Lens Caps
  • Nikon Limited 25 Year USA Warranty -Lifetime $10.00 No-Fault Repair/Replacement Policy

Summary of Customer Reviews

(9)
Customers most agreed on the following attributes:
Pros:
Quality lenses (6) , Strong construction (5) , Close focus (4) , Waterproof (4) , Works well with glasses (4)
Best Uses:
Wildlife viewing (7) , Bird watching (4) , Sporting events/concerts (3)
Reviewer Profile:
Casual/ recreational (5) , Avid adventurer (2)

Nikon 8x40 Porro Prism Features

  • Rugged Waterproof, Fogproof construction
  • Rubber armor for sure grip
  • Bright, multicoated optics
  • Turn-and-Slide Rubber Eyecups
  • Long eye relief for eyeglass wearers
  • Quick central focusing
  • Diopter control for strain-free viewing
  • BaK4 High Index Prisms
  • Includes neck strap and case
  • 25-Year Limited NIKON Warranty

Nikon 8x40 Porro Prism Specifications

Type of Prism Porro
Real Angular Field of View 8.2 Degree
Apparent Angle: 65.6
Field of View 431' @ 1000 yd / 143.09 m @ 1000 m
Exit Pupil 5.0
Eye Relief 17.2
Relative Brightness 25.0
Close Focus Distance (ft) 5 meters / 16.4 ft
Rubber Coated (Armored) Rubber Coated
Waterproof / Fogproof Yes / Yes
Dimensions L x W: 138 x 187mm / 5.43 x 7.36 in
Weight 855g / 1.88 lb
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