Roof Prism Binoculars

  • 6x21 8x21 8x25 10x25
  • 6x21 8x21 8x25 10x25
  • 6x21 8x21 8x25 10x25
  • 6x21 8x21 8x25 10x25
  • 6x21 8x21 8x25 10x25
  • 6x21 8x21 8x25 10x25
  • 6x21 8x21 8x25 10x25
6x21 8x21 8x25 10x256x21 8x21 8x25 10x256x21 8x21 8x25 10x256x21 8x21 8x25 10x256x21 8x21 8x25 10x256x21 8x21 8x25 10x256x21 8x21 8x25 10x25

6x21 8x21 8x25 10x25

  • Model : BJ 2350
  • Magnification : 8x
  • Obj.lensr : 25 mm
  • Field Angle : 6.9°
  • Product description: The moderate magnification produces a generous field of view with true-to-life colors and sharp contrast.
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Key Features :

● Ergonomic BK7 Roof Prisms

● Anti-Reflection Fully Coated Optics

● Closed Bridge Configuration

● Low-Profile Center Focus Dial

● Twist-Up Rubber Eyecups

● Compact and Lightweight Design

Overview :

This series Binoculars in your pocket, pack, or glove box for quick glassing on the go.
With their light weight and short length, you won't be bogged down when you're on the move. 
The moderate magnification produces a generous field of view with true-to-life colors and sharp contrast.
Optical Performance:
● Ideal for outdoor activities like hiking and bird watching, viewing sporting events and concerts, or general nature watching or sightseeing
● BK7 roof prisms allow for thin optical tubes for easier handling and a small folded size
 Anti-reflection fully coated optics help to improve light transmission to keep views bright and clear and boost contrast and clarity
● 21mm - 25mm objective lenses help to maintain a compact form factor
Use and Handling 
● Closed-bridge configuration provides a stable platform for the internal focusing mechanism
● Low-profile center focusing wheel helps to maintain a compact form and minimizes snagging hazard
● Right-eye dioptric correction allows users to compensate for optical prescription for sharper views
● Twist-Up rubber eyecups for easy use with or without eyewear
● 12 mm eye relief  (8x25mm)
● 3.1mm exit pupil  (8x25mm)
Construction Details
● Dual-hinge design allows the optical tubes to fold under the bridge when closed to minimize the form factor for easier storage and carrying
● Matte-black rubber armor protects against bumps and impacts
● Diamond-textured palm pads provide additional slip-resistance while adding an elegant and sleek look
● Lightweight design, weighs just over 7 ounces
● Includes case and neck strap
Performance :

Model BJ 2350 BJ 2350 BJ 2350 BJ 2350
Specification 6x21mm 8x21mm 8x25mm 10x25mm
Magnification 6x 8x 8x 10x
Objective Lens Diameter 21 mm 21 mm 25 mm 25 mm
Angle of View 8.5° 6.5° 6.9° 5.8°
Field of View 149 m @ 1000 m 113 m @ 1000 m 121 m @ 1000 m 101 m @ 1000 m
Field of View 447 ft  @1000 yd 339 ft  @1000 yd 363 ft  @1000 yd 303 ft  @1000 yd
Minimum Focus Distance 16.4 ft/ 5 m 16.4 ft/ 5 m 16.4 ft/ 5 m 16.4 ft/ 5 m
Exit Pupil 3.5 mm 2.6 mm 3.1 mm 2.5 mm
Eye Relief 14.0 mm 8.0 mm 12.0 mm 7.0 mm
Diopter Adjustment Yes / ±4 Yes / ±4 Yes / ±4 Yes / ±4
Focus Type Center Center Center Center
Prism Type Roof (BK7) Roof (BK7) Roof (BK7) Roof (BK7)
Lens Coating Fully Multi Fully Multi Fully Multi Fully Multi
Eyecups Fold-Down Fold-Down Fold-Down Fold-Down
Waterproof No No No No
Weight 230 g 230 g 240 g 240 g
Minimum  Size 70x55x97  mm 70x55x97  mm 70x57x118  mm 70x57x118  mm
Maximum Size 115x36x97 mm 115x36x97 mm 115x36x118 mm 115x36x118 mm

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