Leupold 10x50 BX-4 Pro Guide HD Binocular (Sitka Open Country Camo)

Leupold 10x50 BX-4 Pro Guide HD Binocular (Sitka Open Country Camo)

Leupold 10x50 BX-4 Pro Guide HD Binocular (Sitka Open Country Camo)

B&H # LE10X50BXOC MFR # 172672
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Expected availability: 2-4 weeks

Product Highlights

  • Phase-Corrected BAK4 Roof Prisms
  • Calcium-Fluoride Glass Lens Elements
  • Twilight Max HD Lens Coating System
  • Nitrogen-Filled, Water and Fogproof
  • Open-Bridge/Dual-Hinge Configuration
  • Lightweight Aluminum Alloy Chassis
  • Large Center Focusing Wheel
  • Twist-Up Rubber Eyecups
  • Weight: 28 oz
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Color: Sitka Gear Open Country Camouflage

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Leupold 10x50 BX-4 Pro Guide HD Binocular (Sitka Open Country Camo)

Magnification: 10x

10x 12x

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  • 1Description

Configured with a moderate magnification and large objective combination that maximizes low-light capabilities to assist outdoor enthusiasts, birders, hunters, and sightseers, Leupold's Sitka Gear Open Country camouflage 10x50 BX-4 Pro Guide HD Binocular is an ideal addition to any kit. The Pro Guide is engineered with lead-free high-transmittance calcium-fluoride glass elements, phase-corrected BAK4 roof prisms, and the proprietary Twilight Max HD lens coating system is engineered to complement the optical properties of the glass to deliver crisp and clear high-contrast images with accurate color rendition and virtually zero distortion across its wide field of view. The Twilight Max system ensures maximum light transmission across the entire visual spectrum, especially in the upper blue/violet wavelength range to enhance low-light vision. The magnification and lens diameter produces a wide exit pupil that, when combined with a long eye relief, provides exceptional comfort during long observation sessions.

Its open-bridge/dual-hinge design helps to reduce weight while providing more surface area for your hands to grip the optical tubes — improving grip security and stability. To withstand the rigors of the outdoors, the chassis is made of a lightweight and durable aluminum alloy wrapped in a protective rubberized armor. Textured palm-pads improve grip security for sure-handling even in cold and wet weather, and a large textured focus wheel ensures precision adjustments even when wearing gloves. The optical tubes are nitrogen-filled and O-ring sealed to be waterproof and resistant to internal fogging when moving through extreme temperatures and environmental conditions.

Optical Performance
  • Moderate 10x magnification
  • Large 50mm objective lenses
  • Compact roof prism optical path
  • BAK4 prisms deliver a round exit pupil, and a crisp and clear image with limited edge distortion
  • Phase-correcting prism coatings reduce internal light interference to help improve contrast and overall image sharpness
  • Lead-free broad-band high-transmittance calcium-fluoride glass lens elements produce bright and clear images with accurate color rendition and improved contrast
  • Twilight Max HD lens coating system employs index-matched multi-coatings that are specifically formulated to complement the optical glass properties and ensure maximum light transmission across the entire visual spectrum - especially the upper blue/violet range to enhance low-light vision
  • 299' field of view at 1000 yd
  • Long 18.8mm eye relief
  • Wide 5mm exit pupil
Use and Handling
  • Open-bridge/dual-hinge design reduces weight without sacrificing strength and provides more gripping surface area
  • Large, tactile focus wheel is easy to find and use, even while wearing gloves
  • 58-74mm interpupillary adjustment range
  • Right-eye dioptric correction, located on focusing wheel
  • Twist-up rubber eyecups for comfortable use with or without eyewear
Construction Details
  • Lightweight and durable aluminum chassis
  • Nitrogen-filled and O-ring sealed to be waterproof and resistant to internal fogging
  • Slip-resistant rubberized armoring protects against light impacts and bumps
  • Raised pebble-textured palm-pads improve grip security
  • Slim and lightweight ergonomic design provides a comfortable feel in the hand
  • Weight: 28 oz
In the Box
Leupold 10x50 BX-4 Pro Guide HD Binocular (Sitka Open Country Camo)
  • Carrying Case
  • Shoulder Strap
  • 2 x Objective Lens Caps
  • Golden Ring Full Lifetime Transferrable Warranty
  • Table of Contents
    • 1Description
    Prism Type Roof
    Magnification 10x
    Objective Lens Diameter 50mm
    Angle of View 5.7° (actual)
    Field of View 299.0'; @ 1000 yd / 99.3 m @ 1000 m
    Minimum Focus Distance 9.8'; / 3 m
    Exit Pupil Diameter 5.0 mm
    Eye Relief 18.8 mm
    Interpupillary Adjustment 58.0 - 74.0 mm / 2.3 - 2.9"
    Dioptric Correction Not specified by manufacturer
    Focus Type Center
    Tripod Mount None
    Dimensions Length: 6.6" / 16.8 cm
    Weight 28.0 oz / 794 g
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