Nikon 10-22×50 Aculon A211 Binocular (Black)


  • Aspheric Eco-Glass Elements
  • Porro Prism Design
  • Multicoated Optics
  • Fold-Down Rubber Eyecups
  • Rubber Armored Housing
  • Tripod Mounting Adapter Included

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The black 10-22×50 Aculon A211 Binocular from Nikon is a handheld zoom optic with multicoated aspherical lenses and an ergonomically designed housing. For the redesigned Aculon series, Nikon packages the Aculon A211 binoculars with environmentally friendly Eco-Glass elements composed of responsibly-sourced arsenic-free material. The Aculon binocular’s Porro prism design delivers enhanced depth of field, and its multicoated aspheric optical path with 50mm objective lenses deliver the image clarity, twilight performance, and flat FOV demanded by nature observers.
Also new to the 2013 version of the Aculon binocular is a sculpted rubber-armored housing that is designed to fit comfortably into the observer’s hand and provide non-slip handling. Grooved ridges atop the housing and a generously-sized focusing wheel enable adjustments to the interpupillary distance and the point of focus even while wearing gloves. The lever located next to the right eyepiece puts control of the 10x to 22x magnification range at the observer’s fingertips. The combination of image quality and user-friendly design make the 10-22×50 Aculon A211 a cost-effective option for intermediate to long-range glassing.

Optical Performance
Use and Handling
Construction Details
Package Weight 3.0 lbs
Package Dimensions 9.0 x 8.7 x 4.3 in
Prism Type


Objective Lens Diameter


Minimum Focus Distance

Not Specified By Manufacturer

Interpupillary Adjustment

Not Specified By Manufacturer


10x: 199′ @ 1000 yd / 66.07 m @ 1000 m

Eye Relief

10x: 8.6 mm

Angle of View

3.8° (actual)

Box Dimensions (LxWxH)

9.0 x 8.7 x 4.3″

Tripod Mount

Yes (Adapter Included)


33.9 oz / 961 g

Focus Type


Exit Pupil Diameter

10x: 5 mm 22x: 2.3 mm

Dioptric Correction

Not Specified By Manufacturer

Package Weight

3.0 lb


7.8 x 7.8″ / 19.81 x 19.81 cm




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