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Nikon Action Extreme 8 x 40 Waterproof & Fogproof Wide Angle Porro Prism Binoculars

  • Nikon
  • Action Extreme 8 x 40
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Learn more about the Nikon Inc Action Extreme 8 x 40


Action Extreme 8 x 40


Focusing System: Central Focus
Magnification: 8x
Objective Diameter: 40mm
Angular Field of View (Real): 8.2°
Angular Field of View (Apparent): 59.7°
FOV at 1000 yds: 430 ft.
Close Focus Distance: 16.4 ft.
Exit Pupil: 5mm
Relative Brightness: 25
Eye Relief: 17.2mm
Size (Length x Width): 5.4" x 7.4"
Weight: 30.1 oz.
Interpupilary Distance: 56-72mm
Prism: Porro


Bright, multicoated lenses and BaK4 high index prisms: Deliver bright, high-resolution images.
Long eye relief: For a clear and comfortable view, especially for people who wear eyeglasses.
Smooth central focus knob: Fast range of focus for quick viewing. No bird goes unseen.
Unique click-stop, twist-out eyecup design: Delivers both long eye relief and variable eye relief to customize these binoculars to your eyes and accommodate glasses.
Ergonomic body design: Comfortable for extended viewing.
Durable and protective, rubber-armored coating: Provides a sure, non-slip grip, wet or dry.
Waterproof/fogproof: Nitrogen filled and O-ring sealed.

Manufacturer Warranty

1 year limited
1 year limited

Quick Info


  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year

Customer Reviews of the Nikon Inc Action Extreme 8 x 40

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  • Nicolae S.
  • 12/2/2010 8:19:35 AM
  • Tech Level: Average
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsjust so you know

Pros: I can see things closer with it.

Cons: Massive (although you don't need extra support).

Other Thoughts: Made in People's Republic. Japanese brand, manual with lots of Japanese, but tiny, at the bottom, you see our friend, the Not-Japan. Just so you know.

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