Roof Prism Binoculars

  • 8x21 10x25
  • 8x21 10x25
  • 8x21 10x25
  • 8x21 10x25
  • 8x21 10x25
  • 8x21 10x25
  • 8x21 10x25
8x21 10x25 8x21 10x25 8x21 10x25 8x21 10x25 8x21 10x25 8x21 10x25 8x21 10x25

8x21 10x25

  • Model : BD 2231
  • Magnification : 8x
  • Obj.lensr : 21 mm
  • Field Angle : 7.5°
  • Product description: The 8x21 Compact Binoculars feature a redesigned housing that gives them a sleek and stylish design that is still comfortable.to hold for viewing sporting events, backpacking, hiking, general nature
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Key Features
● Lead and Arsenic-Free Eco-Glass
● Compact Roof Prism Design
● Antireflection Multicoated Optics
● Closed-Bridge Configuration
● Center Focus Wheel
● Fold-Down Rubber Eyecups
● Compact and Lightweight Design
Overview
The  8x21  Compact Binoculars feature a redesigned housing that gives them a sleek and stylish design that is still comfortable.to hold for viewing sporting events, backpacking, hiking, general nature viewing, and sightseeing.  The new design features diamond-textured palm pads that provide positive.
Optical Performance
● Powerful 10x magnification allows for detailed observations of distant objects
● 21mm objectives gather more light than smaller-objective models, ensuring the optical tubes are thin to maintain a slim form factor
● Compact roof prism light path keeps the optical tubes thin for easy handling
● Antireflection multicoated optics maximize light transmission while improving color rendition, contrast, and clarity
● Ecologically friendly Eco-glass is responsibly sourced and made without using lead or arsenic
● 393ft field of view at 1000 yards
Construction Details
● Subdued black color won't stand out in the forest or around civilization, or draw attention when you're using them
● Corrosion-proof plastic housing
● Rubberized ergonomic chassis design offers a comfortable and slip-resistant grip
● Compact  design
● weight 150 g
Performance

Model BD 2231 BD 2231
Specification 8x21mm 10x25mm
Magnification 8x 10x
Objective Lens Diameter 21 mm 25 mm
Angle of View 7.5° 5.5°
Field of View 131 m @ 1000 m 96 m @ 1000 m
Field of View 393ft @1000 yd 288ft @1000 yd
Minimum Focus Distance 16.4 ft/ 5 m 16.4 ft/ 5 m
Exit Pupil 2.6 mm 2.5 mm
Eye Relief 11 mm 11 mm
Diopter Adjustment Yes / ±4 Yes / ±4
Focus Type Center Center
Prism Type Roof (BK7) Roof (BK7)
Lens Coating Fully Multi Fully Multi
Eyecups Fold-Down Fold-Down
Waterproof No No
Weight 150 g 170 g
Minimum Size 61x36x91 mm 64x38x113 mm
Maximum Size 103X33X91 mm 106x33x113 mm

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