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Eyeskey Captor-ED 12X50 Binoculars


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● Extra-low dispersion (ED) glass
● Super Multi-Coated Lenses
● Phase Corrected and Dielectric Coated
● Corrosion-resistant magnesium-alloy chassis
● IPX-7 waterproof and fogproof

Optical Performance

  • 12x magnification
  • Large 50mm objective lenses
  • Compact BAK4 roof prisms
  • Extra low-dispersion (ED) glass helps to correct chromatic and spherical aberration to improve clarity and sharpness with accurate color representation without ghosting or halos, and limited distortion — especially at the edges of the field of view
  • Anti-reflection fully multi-coated optics improve light transmission and contrast and provides an accurate color rendition
  • 273ft wide field of view at 1000 yards 
  • Short 8.20 ft close-focus distance

Use and Handling

  • Open-bridge, dual-hinge configuration
  • Large textured center focus wheel
  • Right-eye dioptric correction
  • Twist-up rubber eyecups for comfortable use with or without eyewear
  • Tripod mountable with optional adapter
  • Comfortable 15mm eye relief
  • 4.19mm exit pupil

Construction Details

  • Nitrogen-filled and O-ring sealed to be waterproof and to resist internal fogging when moving between extreme temperature variations
  • Open-bridge/dual-hinge configuration provides a more gripping surface area to improve hold and comfort
  • Protective black armoring provides a slip-resistant grip, especially in cold and wet conditions
  • Weight: 30.68 ounces

Prism Type Roof (BAK4)
Number of Lenses 8 Pieces 6 Groups
Objective Lens Type Extra-Low-Dispersion (ED) Glass
Prism Coating Dielectric Coating + Phase-correction Coating
Lens Coating Super Multi-coatings
Eyecup Type Twist-up/down
Chassis Material Magnesium Alloy
Weight 30.68 oz / 870g
Magnification 12 X
Objective Lens Diameter 50 mm
Eyepiece Lens Diameter 21 mm
Angle of View 5.2° (Actual)
Field of View 273' @ 1000 yd / 90 m @ 1000 m
Minimum Focus Distance 8.20' / 2.5 m
Relative Brightness 17.98
Twilight Index 24.71
Exit Pupil Diameter 4.19 mm
Eye Relief 15.0 mm
Diopter Adjustment Yes, Right Eye, ±3
Focus Type Center
Interpupillary Distance 56~73 mm
Fogproof Yes, Nitrogen Filled
Waterproof Yes, O-ring Sealed (1 m /30 min)
Packaging Info
Package Weight 2.86 lb
Box Dimensions (LxWxH) 7.992 x 7.008 x 2.834"

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Eyeskey Captor-ED 12X50 Binoculars