Product Code: 1586020

Barr and Stroud Sierra 10x42 Binoculars

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The Barr and Stroud Sierra 10x42 represents a successful blend of superb optical quality and rugged refinement. Fully Multi Coated optics are standard features of the Barr and Stroud Sierra range as are BaK-4 phase coated prisms. This degree of sophistication ensures as much light as possible is transmitted through the optics which results in a super bright contrast-rich images of high colour fidelity for the user, even in low light conditions.

Key Features:

  • Waterproof to a depth 1.5m of water for three minutes
  • Rubber armoured body
  • Nitrogen filled preventing internal fogging in adverse weather conditions
  • Fully Multi Coated optics and BaK-4 phase coated prisms
  • Rapid focus mechanism takes the user from close focus to infinity in less than one turn of the focus control knob
  • Supplied with carrying case, rain guards, tethered lens caps, straps and lens cleaning cloth
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Product Specification

Diopter Adjustment +/- 4 dpt
Exit Pupil (mm) 4.1
Eye Relief (mm) 14.2
Field of View (metres at 1000m) 101
Included Accessories Carrying case, Rain guards, Tethered lens caps, Straps and Lens cleaning cloth
Interpupillary Distance (mm) 56-74
Magnification (x) 10
Objective Lens Diameter (mm) 42
Prism Type Roof
Relative Brightness 16.81
Size (mm) 135x125x52
Weight (g) 673
Fog proof Nitrogen Filled
Minimum Focus Distance (m) 2
opticalcoatings Fully Multi-coated and PHC Phase coated prisms
Waterproof Watertight to 1.5m for 3 minutes
Manufacturer Link Barr & Stroud
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Product Code: 1586020-wex Manufacturers Part Number: 70175 Got a question? Get it answered...