Compact Porro Binoculars

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

8x25 10x25

  • Model : BJ5581
  • Magnification :8x
  • Obj.lensr :25mm
  • Field Angle : 7.2°
  • Product description: Fully coated optics help capture as much light as possible while boosting contrast, and the wide viewing angle ensures the entire scene unfolding before you is comfortably in your field of view.
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Key Features :
● BK7 Reverse-Porro Prisms
● Slip-Resistant Rubber Armoring
● Multi-Coated Optics
● Wide 56° Apparent Angle of View
● Fold-Down Rubber Eyecups
● Center Focus Knob
Overview :
As powerful as they are simple to use, the 8x25mm Porro Binoculars sport reverse-Porro prisms to give them a more compact form factor that is easy to stow in a pack. Fully coated optics help capture as much light as possible while boosting contrast, and the wide viewing angle ensures the entire scene unfolding before you is comfortably in your field of view.   For more detailed observations, the binoculars have a short close-focus distance so small visitors to feeders like hummingbirds or butterflies can be clearly seen from as little as five-feet away.   8x25mm includes a carrying case and strap, and with a weight of just 8.64 ounces they won't cause neck fatigue or add too much bulk to your load.
Optical Performance:
● 8x magnification
● 25mm objective lenses
● Compact reverse-Porro prism design
● Multi-Coated  optics ensure images are bright and clear with improved contrast and accurate color representation

● Wide 56° apparent angle of view
● 366' field of view at 1000 yards
Use and Handling :
● Large center focusing wheel is easy to manipulate, even when wearing gloves
● Right-eye dioptric correction enables users to compensate for individual optical prescription
● Fold-Down  rubber eyecups for comfortable use with or without eyewear
● Close 5' short-focus distance
● 3.1mm exit pupil
● 15.0mm eye relief
Construction Details
● Protective rubber armoring with dimpled palm-pad accents provide a secure and slip-resistant grip
● Includes carrying case and neck strap
● Large textured center focus wheel
Specifications Performance

Specification 8x25mm 10x25mm
Magnification 8x 10x
Objective Lens Diameter 25 mm 25 mm
Angle of View 7.0° 5.5°
Field of View 122 m @ 1000 m 96 m @ 1000 m
Field of View 366ft @1000 yd 288ft @1000 yd
Minimum Focus Distance 16.40 ft / 5 m 16.40 ft / 5 m
Exit Pupil 3.1 mm 2.5 mm
Eye Relief 15.0 mm 15.0 mm
Diopter Adjustment Yes / ±4 Yes / ±4
Focus Type Center Center
Prism Type Porro (BK7) Porro (BK7)
Lens Coating Fully Multi Fully Multi
Eyecups Fold-Down Fold-Down
Weight 200 g 200 g
Size 107x52x99 mm 107x52x99 mm