Apresys Optics 10x42 S4210 Binocular

Apresys Optics 10x42 S4210 Binocular

Apresys Optics 10x42 S4210 Binocular

B&H # AP10X42S4210 MFR # 800-S4210
More on the Way
Expected availability: 7-14 business days

Product Highlights

  • Phase-Corrected BAK4 Roof Prisms
  • Broadband Fully Multi-Coated Optics
  • Wide 61° Apparent Angle of View
  • Nitrogen-Filled, Water and Fogproof
  • Closed-Bridge Configuration
  • Impact-Resistant Composite Chassis
  • Large Textured Center Focusing Wheel
  • Tripod Mountable with Optional Adapter
  • Twist-Up Rubber Eyecups
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Magnification: 10x

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Apresys Optics S4210 overview

  • 1Description

Designed for performance from dawn to dusk, the Apresys Optics 10x42 S4210 Binocular is engineered with high-density phase-corrected BAK4 roof prisms and broadband anti-reflection fully multi-coated optics to produce bright and clear high-contrast images with accurate color fidelity and limited distortion. Its wide viewing angle helps to minimize the appearance of visible hand-shake that is common with high-magnification optics, and the larger objectives draw in copious amounts of light versus smaller objectives to boost low-light performance without sacrificing image brightness, color, or resolution.

Ergonomically designed with thumb-rest indentations and raised palm ridges to improve grip strength and comfort for long glassing sessions, the chassis is made of a lightweight and impact-resistant composite chassis that is wrapped in a protective slip-resistant rubber armor. The optical tubes are nitrogen-filled and O-ring sealed to make them waterproof and resistant to fogging when moving through extreme temperature changes. A large center focusing wheel, ±3 dioptric correction, and twist-up eyecups enable precise focusing and eye relief for just about any user.

Optical Performance
  • 10x magnification
  • 42mm objective lenses
  • High-density BAK4 roof prisms
  • Phase-corrected prisms limit internal light diffraction to improve contrast and clarity
  • Broadband anti-reflection fully multi-coated optics produce neutral and accurate color fidelity across the entire visible spectrum, and improves contrast and image brightness
  • Wide 61° apparent angle of view
  • 322' field of view at 1000 yards
Use and Handling
  • Closed-bridge configuration
  • Large textured center focusing wheel is easy to manipulate, even when wearing gloves
  • 53-74mm interpupillary distance adjustment range
  • ±3 right-eye dioptric correction
  • Twist-up rubber eyecups for comfortable use with or without eyewear
  • Tripod mountable with optional adapter
  • Long 16mm eye relief
  • 4.2mm exit pupil
Optical Performance
  • Lightweight and impact-resistant composite chassis
  • Nitrogen-filled and O-ring sealed to be waterproof and resistant to internal fogging when moving through extreme temperature changes
  • Ergonomically designed with thumb-rest indentations and raised palm ridges improve grip strength and comfort for long glassing sessions
  • Shock-absorbing rubber armoring protects while providing a slip-resistant grip
  • Weight: 25 ounces
In the Box
Apresys Optics 10x42 S4210 Binocular
  • Lens Cloth
  • Neck Strap
  • Carrying Case
  • Ocular Rainguard
  • 2 x Objective Lens Caps
  • Limited 5-Year Warranty
  • Table of Contents
    • 1Description

    Apresys Optics S4210 specs

    Prism Type Roof
    Magnification 10x
    Objective Lens Diameter 42mm
    Angle of View 6.1° (actual)
    Field-of-View 322.3' @ 1000 yd / 107.0 m @ 1000 m
    Minimum Focus Distance 6.56' / 2.0 m
    Exit Pupil Diameter 4.2 mm
    Eye Relief 16.0 mm
    Interpupillary Adjustment 53.0 - 74.0 mm / 2.1 - 2.9"
    Dioptric Correction ±3
    Focus Type Center
    Tripod Mount Yes (Adapter Optional)
    Dimensions 5.94 x 5.00 x 2.01" / 15.1 x 12.7 x 5.1 cm
    Weight 25.4 oz / 720.0 g

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