BK-7 Roof Prism, Fully Multicoated Optics, 5.9° Angle of View

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North Island
South Island

Bushnell's Permafocus binocular series eliminates the possibilities of fumbling while focusing an action. Fortunately that includes their 10x42 binocular. This innovative focus-free operation requires no adjustment and offers instantaneous sharp viewing at distance. Just aim the binocular at the target and your subject comes into clear view. It is well-suited for sporting events, nature observations, and other outdoor activities.

Key Features

  • Compact BK-7 roof prism optical path
  • Fully coated optics for superior light transmission and brightness
  • 5.9° angle of view, 305' field of view at 1000 yards
  • Unique "Focus-Free" feature which is ideal for sporting events
  • Non-slip rubber armour absorbs shock while providing a firm grip
  • Twist up eyecups for comfortable viewing
  • Clam shell package is non returnable once opened


Prism TypeRoof
Objective Lens Diameter42mm
Angle of View5.6° (actual)
Field-of-View294' @ 1000 yd / 97.61 m @ 1000 m
Minimum Focus DistanceNot Specified By Manufacturer
Exit Pupil Diameter4.2  mm
Eye Relief14  mm
Interpupillary AdjustmentNot Specified By Manufacturer
Dioptric CorrectionNone
Focus TypeFocus-Free
Tripod MountNone
DimensionsNot Specified By Manufacturer
Weight18.8 oz / 533 g
Bushnell 10x42 Permafocus Binocular (Camouflage, Clamshell Packaging)
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