Nikon Aculon A211 10x50 bak-4 porro prism binocular
 
Product Highlights
 
Aspheric Lens Design
Lead- and Arsenic-Free Eco-Glass
BAK4 Traditional Porro Prism Design
Anti-Reflection Multi-Coated Optics
Wide 60° Apparent Angle of View
Large Center Focusing Wheel
Slip-Resistant Rubber Armor
Tripod Mountable with Optional Adapter
Twist-Up, Click-Stop Rubber Eyecups
Optical Performance
Powerful 10x magnification allows for detailed observations of distant subjects
Large 50mm objective lenses improve light-gathering ability for bright and clear images, even 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 multi-coated optics produce neutral and accurate color fidelity and improve contrast and image brightness
Wide 60° apparent angle of view reduces the appearance of visible hand shake that is common when holding high-power optics such as this
341-foot field of view at 1000 yards
Use and Handling
Large slip-resistant center focus wheel is easy to manipulate, even while wearing gloves
Right-eye dioptric correction compensates for individual user's optical prescription for clearer and sharper views
56-72mm interpupillary adjustment range
Twist-up click-stop rubber eyecups for comfortable use with or without eyewear
Tripod mountable with optional adapter for hands-free use with reduced vibration and arm fatigue
11.8mm eye relief allows easy viewing without eye fatigue, especially during long observation sessions
5.0mm exit pupil will completely cover most pupils as they open and dilate in low light for a full and complete view without vignetting
Construction Details
Environmentally friendly Eco-Glass is made without lead and arsenic
Protective rubber armoring provides a comfortable slip-resistant grip even in cold weather
Ergonomically sculpted grips
One-piece tethered ocular rainguard protects eyecups
Objective lens caps can be clipped to neck strap to avoid losing them during observation sessions
Weight: 32-ounces