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Bushnell Prime 12x50 Overview

These black Bushnell 12x50 Prime Binoculars offer a wide viewing angle with a comfortable exit pupil and eye relief, so you can take in the whole landscape without eye strain, even if you spend long hours glassing.

They are outfitted with compact BAK4 roof prisms, anti-reflection multi-coatings, and protective exterior lens coatings that work together to maximize light transmission to deliver bright, sharp, and clear high-contrast views with accurate Colour fidelity and crisp resolution, even in challenging conditions. To withstand harsh conditions, the chassis is nitrogen-filled to resist internal fogging and the O-ring is sealed to be waterproof and submersible—so these binoculars will handle a tumble into a creek better than you.

Optical Performance

  • Ideal for use in wide and open terrain, such as that found in the American West, where extreme long-distance observation and identification are often necessary
  • Powerful 12x magnification allows detailed observation of distant subjects
  • Large 50mm objective lenses draw in massive amounts of light to deliver bright views in pre-dawn or deep dusk or when observing subjects at long distances
  • A compact roof prism light path ensures the optical tubes remain slim for easier handling without affecting performance
  • BAK4 prism glass delivers a round exit pupil and a crisp and clear image with limited edge distortion
  • Anti-reflection fully multicoated optics maximize light transmission and improve contrast and Colour fidelity
  • Proprietary EXO Barrier exterior lens coatings allow oil, dirt, and sap to be cleaned off without leaving smudges or residue
  • The wide apparent angle of view presents sweeping views of the terrain with a reduced appearance of the distracting handshake that is common when holding high-power optics
  • 273-foot field of view at 1000 yards

Use and Handling

  • Closed-bridge configuration provides a solid and stable platform for the internal focusing mechanism
  • The large slip-resistant centre focusing wheel is easy to manipulate in cold and wet weather, even while wearing gloves
  • Right-eye dioptric correction allows user to compensate for an optical prescription to produce sharper views
  • Twist-up eyecups for easy use with or without eyewear
  • The standard 1/4"-20 socket under the front hinge cap allows you to mount the binocular to a tripod head or QR plate with an optional adapter for hands-free use
  • 16mm eye relief improves viewing comfortably while minimizing eye strain
  • 4.1mm exit pupil will cover most pupils as they open and dilate in low-light conditions, providing clearer views

Construction Details

  • Ecologically friendly lead-free glass
  • Lightweight and durable magnesium alloy chassis
  • Protective armour helps to cushion minor impacts
  • Nitrogen-filled and O-ring sealed to be waterproof and resistant to internal fogging when moving through extreme changes in temperature and environmental conditions
  • IPX7-rated-submersible to a depth of 3.3 feet for up to 30 minutes
  • Tethered objective lens caps protect the lens surface without the fear of losing them when not in use
  • Padded neck strap and carrying case
Prism Type Roof (BAK4)
Magnification 12x
Objective Lens Diameter 50 mm
Angle of View 5.2° (Actual)
Field of View 273' @ 1000 yd / 90.6 m @ 1000 m
Minimum Focus Distance 9.8' / 3 m
Exit Pupil Diameter 4.1 mm
Eye Relief 16 mm
Diopter Adjustment Yes
Focus Type Center
Fogproof Yes, Nitrogen Filled
Water Resistance Waterproof, IPX7
Environmental Protection Advertised as Submersible
*Manufacturer Testing: IPX7
Dimensions Length: 16.5 cm
Weight 0.95 kg

* Specifications subject to change by the manufacturer without notice

  • Bushnell 12x50 Prime Binoculars - Black
  • Neck Strap
  • Soft Carrying Case
  • 2 x Tethered Objective Lens Cap


* Dispatch timeframes are indications only and may vary for multiple quantities. Timeframes are updated regularly during normal business hours.