Hawke Sport Optics 10x25 Sapphire ED Binocular (Black)

Hawke Sport Optics 10x25 Sapphire ED Binocular (Black)

Hawke Sport Optics 10x25 Sapphire ED Binocular (Black)

B&H # HA10X25S MFR # HA3792

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Product Highlights

  • Extra Low-Dispersion Glass Objectives
  • Phase-Corrected BAK4 Roof Prisms
  • Silver Prism Mirrors Enhance Clarity
  • Fully Multi-Coated Optics
  • Apparent Angle of View: 54°
  • Nitrogen-Filled, Water & Fogproof
  • Compact Twin-Hinge Design
  • Magnesium Alloy Chassis
  • Center Focusing
  • Twist-Up Eyecups
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Hawke Sport Optics HA3792 overview

  • 1Description

Combining a compact twin-hinge design with superior optical performance, the black 10x25 Sapphire ED Binocular from Hawke is ideal to take with you on travel, outdoors, and urban exploration trips. The optics feature high-performance Extra-Low Dispersion (ED) glass to deliver crisp, true-color images of breathtaking landscapes, vistas, or cityscapes. With the fully multi-coated optics and high-resolution (Hi-Res) Silver Mirror BAK4 Roof Prisms with phase-corrected coating, you will get you exceptional transmission, clarity, resolution, and image contrast. And whether you focus on a close-up or faraway scenery, you can count on the wide 54° apparent angle of view to deliver a sizeable edge-to-edge field. Beyond optical highlights, the binocular provides a convenient center focusing and a diopter ring on the right tube, generous interpupillary range, and short 5.2' minimum focus distance.

With its ultra-lightweight and durable magnesium housing, you don't have to worry about accidentally exposing the binocular to moisture or even dropping it into a water reservoir because it is nitrogen-purged to be water and fogproof. The body features an aesthetically appealing, ergonomic design. Its leatherette covering offers a secure hold and a pleasant handling experience. To help you with focusing and correcting for dioptric differences, the oversized focus knob and the diopter ring are knurled and can be easily adjustable even when wearing gloves. To accommodate anyone with a comfortable viewing position, the rubber eyecups feature a twist-out click-stop design. Also included are a strap, lens cloth, carry case, and protective lens caps.

Optical Performance

  • Extra-Low Dispersion (ED) glass offers true color and improved clarity and detail
  • Silver Mirror BAK4 Roof Prisms with dielectric phase-corrected coatings provide superior image clarity, contrast, and resolution
  • Fully multi-coated optics enhance transmission, image brightness, and sharpness
  • Water-repellent coating protects objective lenses and helps to keep them clean
  • Apparent angle of view: 54°

Use and Handling

  • Center focusing adjustment
  • Diopter adjustment on the right ocular
  • Interpupillary range: 37-75mm
  • Eye relief: 13mm


  • Compact body design
  • Ultra-light and durable magnesium alloy chassis with soft rubberized covering
  • Leatherette armoring near the bridge provides a pleasant secure grip
  • Oversized knurled center focus knob and diopter ring
  • Twist-up rubber eyecups with click-stops
  • Compact twin-hinge configuration
  • Fogproof, nitrogen-purged
  • Waterproof

Hawke Sport Optics HA3792 specs

Prism Type Roof
Magnification 10  x
Objective Lens Diameter 25 mm
Angle of View 5.4° (Actual)
Field of View 283.5' @ 1000 yd / 94.5 m @ 1000 m
Minimum Focus Distance 5.2' / 1.6 m
Exit Pupil Diameter 2 mm
Eye Relief 13 mm
Interpupillary Adjustment 37 to 75 mm / 1.5 to 3"
Focus Type Center
Tripod Mount None
Dimensions 4.1 x 4.0" / 103.0 x 101.0 mm
Weight 8.5 oz / 241.0 g
Packaging Info
Package Weight 1.15 lb
Box Dimensions (LxWxH) 5.9 x 4.1 x 2.8"

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