Nikon 10-22x50 Aculon A211 Binoculars
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- Aspheric Lens Design
- Lead- and Arsenic-Free Eco-Glass
- BAK4 Traditional Porro Prism Design
- Anti-Reflection Multicoated Optics
- Large Center Focusing Wheel
- Slip-Resistant Rubber Armor
- Includes Tripod Adapter
- Fold-Down Rubber Eyecups
Nikon Aculon 10-22x50 Overview
Nikon's black 10-22x50 Aculon A211 Binoculars are ideal for hunters, birders, and avid outdoor enthusiasts who require a range of magnifications for wide-field and detailed observations in all light conditions.
This version is outfitted with large 50mm objectives to draw in copious amounts of light and ensure bright and clear views in challenging situations like at dawn or dusk, or when peering into dense underbrush. Anti-reflection multicoated aspherical lenses, made with environmentally friendly Eco-Glass elements, complement the BAK4 Porro prism light path to deliver high-contrast images with enhanced depth of field without edge distortion, and accurate color fidelity.
Optical Performance
- Wide 10-22x zoom magnification range provides wide views at low magnification, with the ability to make detailed observations of distant objects at high magnification
- Large 50mm objective lenses improve light-gathering ability for bright and clear images, even in challenging conditions such as at dawn and dusk
- Traditional Porro prism light path produces a rich depth of field, allowing the user to discern the relative distances between objects in the view
- High refractive index BAK4 prisms deliver a round exit pupil and a crisp and clear image with limited edge distortion
- Aspherical eyepiece lenses correct spherical aberration to produce clear and crisp images, with reduced edge distortion and astigmatism
- Anti-reflection multicoated optics produce neutral and accurate color fidelity and improve contrast and image brightness
- 199-foot field of view at 1000 yards, on 10x power
Magnification | 10 to 22x |
Objective Lens Diameter | 50 mm |
Angle of View | 10x: 3.8° (Actual) |
Field of View | 10x: 199' @ 1000 yd / 66.1 m @ 1000 m |
Minimum Focus Distance | 49.2' / 15 m |
Exit Pupil Diameter | 10x: 5 mm 22x: 2.3 mm |
Eye Relief | 10x: 8.6 mm |
Interpupillary Adjustment | 56 to 72 mm / 2.2 to 2.8" |
Diopter Adjustment | Yes |
Focus Type | Center |