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Swift 8.5x44mm BWCF Audubon Birder Waterproof Binoculars

Availability: In Stock

USD 203.00

Specifications for Swift 8.5x44 mm BWCF Audubon Birding Waterproof Binocular #820:

Prism Type: Porro
Magnification: 8.5x
Objective Diameter: 44mm
Angle of View: 8.2°
Field-of-View (@ 1000 Yds): 420' (139 m at 1000 m)
Minimum Focus Distance: 10.0' (3.0 m)
Exit Pupil Diameter: 5.2mm
Eye Relief: 17mm
Relative Brightness: 26.8
Twilight Factor: 19.3
Focus Type: Center
Weatherproofing: Waterproof & fogproof
Tripod Socket: Yes
Dimensions: 7.6 x 5.5 x 2.8" (194 x 139 x 71mm) WxHxD
Weight: 1.72 lb (780 g)

Features of Swift 8.5x44mm BWCF Audubon Waterproof Binoculars #820:

  • Broad front distance between objectives gives phenomenal depth perception
  • BaK-4 Porro prisms for a wide viewing field and a broad depth of field
  • 5-Lens eyepiece system

Package Contents:

  • Swift 8.5x44mm BWCF Audubon Waterproof Binoculars #820
  • Case
  • Strap
  • Caps
  • Lifetime Warranty

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