Nikon 8-18x42 Aculon A211 Binocular (Black)

Model #8251

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Nikon 8251 1
Nikon 8251 1
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Prism TypePorro

Magnification 8.0-18.0x
Objective Lens Diameter 42 mm
Angle of View 4.6° (actual)
Field-of-View 8x: 241' @ 1000 yd / 80.01 m @ 1000 m
Minimum Focus Distance Not Specified By Manufacturer
Exit Pupil Diameter 8x: 5.3  mm
18x: 2.3  mm
Eye Relief 8x: 10.3  mm
Interpupillary Adjustment Not Specified By Manufacturer
Dioptric Correction Not Specified By Manufacturer
Focus Type Center
Tripod Mount Yes (Adapter Optional)
Dimensions 7.3 x 6.4" / 18.54 x 16.26  cm
Weight 29.1 oz / 825 g

Packaging Info

Package Weight 2.6 lb
Box Dimensions (LxWxH) 8.0 x 8.0 x 4.0"
User Reviews
5 July 2019

Exactly what they are supposed to do. Excellent product and delivery.

24 January 2019

Nikon quality ! Brilliant for bird watching, the zoom makes all the difference.

29 October 2018

Good device, light and flexible.

25 January 2016

Images not sharp enough at the higher magnifications.

14 December 2014

well made but over priced

11 October 2014

Like the last reviewer 4 stars due to not being water proof, build quality is excellent and not to heavy for prolonged use clarity is sharp and clear some small adjustments are needed when you go to full zoom which can be solved by focusing on full zoom then zooming down.

17 July 2014

Please ignore the comments from idiotic reviewers of the Nikon A211 range of porro prism binoculars. At this price, I defy anyone to find a pair of binoculars with better build quality.

Product Highlights
  • Aspherical Lens System
  • Eco-Glass Optics: Lead and Arsenic-Free
  • BAK4 Porro Prisms
  • Multicoated Optics
  • Fold-Down Rubber Eyecups
  • Rubber Armored Housing
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