Olivon 10x42 Barr & Stroud Sierra Binocular

Olivon 10x42 Barr & Stroud Sierra Binocular

Olivon 10x42 Barr & Stroud Sierra Binocular

B&H # OL10X42BSS MFR # OLBSSI1042-US 70175
Olivon 10x42 Barr & Stroud Sierra Binocular

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Expected availability: 7-10 business days

Product Highlights

  • 42mm Objective Diameter
  • Phase-Corrected BAK4 Roof Prisms
  • Fully Multicoated Optics
  • 7° Angle of View
  • Waterproof to 5' Depth
  • Rubberized Armoring
  • Center Focus & ±4 Diopter
  • Interpupillary Adjustment
  • Tripod Adaptable
  • Twist-Up Eyecups
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  • 1Description

The 10x42 Barr & Stroud Sierra Binocular from Olivon features fully multicoated optics, BAK4 phase-corrected Roof Prisms, a wide angle of view, and a weather-proof construction with rubber armoring. While the fully multicoated lenses greatly increase light transmission and image brightness, the phase corrected Roof Prisms made of BAK4 optical glass preserve true colors. The wide 7 ° angular field of view allows you to see a linear field of 370' at a distance of 1000 yards, and the center focus with a diopter allow seeing crisp details as close as 6.6'. The binocular also has an interpupillary adjustment range of 56 - 74mm and a 4 mm exit pupil.

In addition to optical performance features, the Barr & Stroud Sierra presents a number of convenience and construction highlights. The binocular housing is waterproof to 5' and has a smooth rubberized armoring to ensure a non-slip grip. For easy focusing, there is a large knurled center focus knob and a ribbed diopter ring on the right eyepiece. To accommodate anyone with glasses, there are 14 mm eye relief and twist-up eyecups.

Also included with the binocular are a strap, ocular lens cups, objective lens cups, and a carrying case with a strap.

Optical Performance

  • 42mm objective diameter
  • Fully multicoated elements improve image brightness
  • BAK4 phase-coated Roof Prisms preserve true color
  • Wide angle viewing: 7°
  • Close focus: 6.6'

Use and Handling

  • Center focusing adjustment
  • Interpupillary range of 56 - 74mm
  • Diopter adjustment ±4
  • Eye relief: 14 mm

Construction

  • Waterproof to 5' for three minutes
  • Smooth rubberized armoring provides sure grip
  • Twist-up eyecups allow viewing with glasses
  • Tripod adaptable via an optional mount
In the Box
Olivon 10x42 Barr & Stroud Sierra Binocular
  • Strap
  • Case with Strap
  • 2 x Ocular Lens Cups
  • 2 x Objective Lens Cups
  • Cleaning Cloth
  • Limited Lifetime Warranty
  • Table of Contents
    • 1Description
    Prism Type Roof
    Magnification 10x
    Objective Lens Diameter 42mm
    Angle of View (actual)
    Field of View -0.0'; @ 1000 yd / -1.0 m @ 1000 m
    Minimum Focus Distance 42.7'; / 13 m
    Exit Pupil Diameter 4.1  mm
    Eye Relief 14.2  mm
    Interpupillary Adjustment 56 - 74 mm / 2.20 - 2.91"
    Dioptric Correction ±4
    Focus Type Center
    Tripod Mount Yes
    Dimensions 5.3 x 4.9 x 2.0" / 135.0 x 125.0 x 52.0 mm
    Weight 23 oz / 652.05 g
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