Barr & Stroud 10x42 Series-4 Binocular

Barr & Stroud 10x42 Series-4 Binocular

Barr & Stroud 10x42 Series-4 Binocular

B&H # BA10X42BSS4B MFR # OLBSS41042-US 70191
Special Order
Expected availability: 7-10 business days

Product Highlights

  • Phase-Corrected BaK4 Prisms
  • Fully Multicoated Optics
  • 6.5 ft Close Focus Distance
  • Open Bridge Configuration
  • Polycarbonate Housing
  • Center Focus Wheel
  • Nitrogen-Filled Fogproof / Waterproof
  • Click-Stop Rubber Eyecups
  • Rubber Armored Housing
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  • 1Description

The 10x42 Series-4 Binocular from Barr & Stroud combines a fully multicoated lens system and phase-corrected BaK4 prisms to create a color-faithful high-transmission optical path that is well-suited for low light performance. This 10x optic features a 6° angle of view and has the ability to focus within seven feet, equipping the Series-4 for close to mid-range observations like birding and hunting. In addition to their image quality, the Series-4 binocular also has a long 15mm eye relief and twist-up rubber eyecups with multiple click-stop settings that can provide a comfortable viewing distance even for eyeglass wearers.

Complementing the high-transmission 10x42 optical path is a nitrogen-filled fogproof housing that is submergible to almost five feet for three minutes. An open-bridge design helps to evenly balance the weight of the binocular and make it easier to handle with one hand than other common bridge configurations. A lightweight polycarbonate housing, armored with slip-resistant rubber, equips the Series-4 binocular to handle demanding weather conditions. The combination of high-transmission optics, user-friendly features, and a weather-sealed housing make the Series-4 binocular ready for a wide range of outdoor viewing tasks.

Optical Performance
  • 10x magnification, 42mm objectives
  • Fully multicoated optics, BaK4 prisms
  • 6° angle of view
  • 15mm eye relief
  • +/- 4 diopter correction
  • 6.5 ft minimum focus distance
Use and Handling
  • Rapid center focus wheel
  • Twist-up rubber eyecups with multiple click-stop positions
Construction Details
  • Nitrogen-filled fogproof and waterproof
  • Ergonomic finger rest indentations
  • Open-bridge configuration
  • Rubber armored body
  • Forest green finish
  • 24 oz weight
Prism Type Roof
Magnification 10.0x
Objective Lens Diameter 42mm
Angle of View 6.0° (actual)
Field of View 315.0' @ 1000 yd / 105.0 m @ 1000 m
Minimum Focus Distance 41.9' / 12.8 m
Exit Pupil Diameter 4.1 mm
Eye Relief 15.2 mm
Interpupillary Adjustment 8.7 - 11.5 mm / 22.0 - 29.1"
Dioptric Correction ±4
Focus Type Center
Tripod Mount Yes (Adapter Optional)
Dimensions 5.7 x 5.2 x 2.3" / 14.5 x 13.2 x 5.8 cm
Weight 24.00 oz / 680.40 g
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