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Eyeskey Hyperion-ED 8X42 Binoculars

$349.99

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● Extra-Low Dispersion (ED) Glass
● Phase-Corrected Roof Prisms
● Interior Dielectric Prism Coatings
● Anti-Reflection Super Multi-Coated Optics
● Strong and Lightweight Magnesium Alloy Chassis
● Nitrogen filled and O-ring sealed (IPX7)

Overview

The Hyperion 8x42 ED Binocular features an upgraded ergonomic chassis that makes holding it more comfortable, especially during long glassing sessions. Optically, it features phase-corrected BAK4 roof prisms, extra low-dispersion (ED) glass, and anti-reflection Super multi-coated (SMC) optics to produce a versatile and capable optic that produces bright and clear high-contrast images with true color rendition and virtually no color-fringing. Coupled with the optical features are 42mm diameter objectives which give the binocular very competent low-light performance. This combination of optics and objectives make the Hyperion ED ideally suited for most outdoor activities from hunting, to birding, to sporting events. The 62° apparent angle of view also helps to minimize the visible handshake common in higher-power binoculars.

The comfortable ergonomic chassis is made of a magnesium alloy to help reduce weight, without sacrificing strength while adding impact and corrosion-resistant. The optical tubes are wrapped with durable armoring which not only protects them from drops and impacts, it also gives the binocular a slip-resistant grip - especially in cold and wet weather. The optical tubes are nitrogen-filled and O-ring sealed to be water and fog proof - especially in extreme weather conditions. A right-eye diopter adjustment allows the binocular to be customized to most people's needs, and twist-up eyecups mean it can be comfortably used with or without eyewear.

Optical Performance

  • High 8x magnification enables detailed observations of distant subjects
  • Larger 42mm objective lenses improve the light-gathering ability for enhanced low-light performance such as at dawn and dusk or when peering into the dense brush
  • Compact roof prism light path ensures the optical tubes remain slim for easier handling without affecting performance
  • Extra low-dispersion (ED) glass helps to correct chromatic and spherical aberration to improve clarity and sharpness with accurate color representation without ghosting or halos, and limited distortion — especially at the edges of the field of view
  • Anti-reflection super multi-coated optics provides a dramatic improvement in both color fidelity and brightness and the elimination of flare and ghost images
  • Phase-correcting prism coatings eliminate internal interference to improve color and contrast
  • Wide 68° apparent angle of view minimizes the appearance of the distracting handshake that is common when holding high-power optics while presenting a spacious and immersive observational experience
  • Generous 426ft field of view at 1000 yards 
  • Short 6.56' close-focus distance

Use and Handling

  • Closed-bridge configuration provides a solid and stable platform for the internal focusing mechanism
  • Large slip-resistant center focusing wheel is easy to manipulate in cold and wet weather, even while wearing gloves
  • Right eye dioptric adjustment collar helps to compensate for individual eye prescription
  • Broad 56-73mm interpupillary distance adjustment range enables easy use by a wide variety of users
  • Twist-up rubber eyecups for comfortable use with or without eyewear
  • Tripod mountable with an optional adapter for hands-free use to eliminate vibrations and arm fatigue
  • 17.2mm eye relief allows for more comfortable viewing with reduced eye strain, especially during long-duration glassing sessions
  • 5.2mm exit pupil will cover most pupils as they open and dilate in low light to keep the whole scene in view without vignetting

Construction Details

  • Lightweight and durable magnesium alloy chassis material
  • Nitrogen-filled and O-ring sealed to be waterproof and to resist internal fogging when moving between extreme temperature variations
  • Ergonomic body design positions the hand over the binocular's center of balance for additional comfort and reduced strain and fatigue
  • One-piece tethered ocular rainguard protects eyecups from water pooling in them from rain or spraying water when hanging from the neck
  • Protective black armoring provides a slip-resistant grip, especially in cold and wet conditions
  • Weight: 25.74 ounces
General
Prism Type Roof (BAK4)
Number of Lenses 8 Pieces 6 Groups
Objective Lens Type ED Glass
Prism Coating Dielectric Coating + Phase-correction Coating
Lens Coating Super Multi-coatings
Eyecup Type Twist-up/down
Chassis Material Magnesium Alloy
Weight 26.49 oz / 751 g
Performance
Magnification 8 X
Objective Lens Diameter 42 mm
Eyepiece Lens Diameter 23 mm
Angle of View 8.12° (Actual)
Field of View 426' @ 1000 yd / 142 m @ 1000 m
Minimum Focus Distance 6.56' / 2 m
Relative Brightness 27.04
Twilight Index 17.8
Exit Pupil Diameter 5.2 mm
Eye Relief 17.2 mm
Diopter Adjustment Yes, Right Eye, ±3
Focus Type Center
Interpupillary Distance 56~73 MM
Features
Fogproof Yes, Nitrogen Filled
Waterproof/b> Yes, O-ring Sealed (1 m /30 min)
Packaging Info
Package Weight 2.4 lb
Box Dimensions (LxWxH) 8.898 x 7.323 x 3.622"
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Eyeskey Hyperion-ED 8X42 Binoculars

$349.99