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Burris Droptine 10x42mm Binocular

SKU: BO300291

Burris Droptine 10x42mm Binocular
Burris Droptine 10x42mm Binocular

Burris Droptine 10x42mm Binocular

SKU: BO300291

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About this product

Combining comfort and performance, the Burris Optics 10x42 Droptine Binoculars feature high-density BAK4 roof prisms, low-dispersion glass, and fully multi-coated optics that work together to maximize light transmission and limit internal light-loss, which all translate to bright and clear high-contrast images with accurate color fidelity. Add to this impressive performance a field of view that approaches wide-angle, a comfortable eye relief, twist-up eyecups, and a large focus wheel; and users are presented with an immersive observational experience on the trail, at the range, or in the wild.

Complementing the binoculars' optical properties are construction details that allow them to withstand the rigors of the harsh outdoors thanks to optical tubes that are nitrogen-filled and O-ring sealed to be watertight and resistant to internal fogging when moving through extreme temperature changes. Their lightweight and durable aluminum alloy chassis is wrapped in a protective slip-resistant rubber armoring, and textured palm pads provide additional grip strength—especially in cold and wet weather. For long glassing sessions or to free up your hands, these Droptine binoculars can be tripod mounted with an optional adapter.

Optical Performance

  • 10x magnification
  • 42mm objective lenses
  • BAK4 compact roof prisms
  • Low-dispersion HD glass helps to limit color fringing and off-axis coma for true color fidelity, and increased light transmission for brighter, clearer, high-contrast images
  • Anti-reflection fully multi-coated optics produce neutral and accurate color fidelity, and improves contrast and image brightness
  • 300' field of view at 1000 yards

Use and Handling

  • Closed-bridge configuration
  • Large textured fast-focus wheel allows for easy manipulation in cold or wet conditions, or while wearing gloves
  • Right-eye dioptric correction
  • 57 to 74mm interpupillary adjustment range
  • Twist-up rubber eyecups for comfortable use with or without eyewear
  • Tripod mountable with optional adapter
  • Comfortable 16.5mm eye relief
  • 4.2mm exit pupil

Construction Details

  • Lightweight and durable aluminum alloy chassis
  • Protective slip-resistant rubber armoring
  • Textured palm rests proved additional grip strength and slip-resistance
  • Nitrogen-filled and O-ring sealed to be watertight to 3.3' (1m) and resistant to internal fogging when moving through extreme temperature changes
  • Weight: 20.1 ounces

Burris Optics 300291 Specs

Prism Type Roof (BAK4)
Magnification 10x
Objective Lens Diameter 42 mm
Angle of View 5.7° (Actual)
Field of View 300' @ 1000 yd / 99.6 m @ 1000 m
Minimum Focus Distance 7' / 2.1 m
Exit Pupil Diameter 4.2 mm
Eye Relief 16.5 mm
Interpupillary Adjustment 57 to 74 mm / 2.2 to 2.9"
Diopter Adjustment Yes
Focus Type Center
Fogproof Yes, Nitrogen Filled
Water Resistance Waterproof
Dimensions 5.6 x 4.8 x 2" / 14.2 x 12.2 x 5.1 cm
Weight 20.1 oz / 569.8 g

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