Celestron 20x80 SkyMaster Pro Binocular

Celestron 20x80 SkyMaster Pro Binocular

Celestron 20x80 SkyMaster Pro Binocular

B&H # CE20X81SM MFR # 72031
Celestron 20x80 SkyMaster Pro Binocular

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Product Highlights

  • BAK4 Porro Prisms
  • XLT Fully Multi-Coated Optics
  • Wide Angle Viewing: 64°
  • Nitrogen-Filled, Water and Fogproof
  • Aluminum and Polycarbonate Chassis
  • Center Focusing with Diopter Adjustment
  • Built-In Standard 1/4"-20 Tripod Mount
  • Fold-Down and Winged Eyecups
  • Detachable Rail for Finderscope
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  • 1Description

Designed as an ideal optic for wide-view astronomical or long-range terrestrial observation, the Celestron 20x80 SkyMaster Pro Binocular features their proprietary XLT multi-coating system to reduce reflection and increase light transmission through the entire optical system. The porro prism configuration provides a rich depth of view and high-contrast to draw users into an immersive observational experience. The combination of optical coatings, prism, and over-sized 80mm objectives produce high-contrast views that are bright and crisp with accurate color fidelity.

To help reduce weight, the binocular housing is made from a combination of polycarbonate polymer and aluminum. The aluminum provides strength in key areas, while the polycarbonate is temperature-resistant to limit expansion and contraction in extreme temperatures, which can cause the optical components to move out collimation and preventing the ability to achieve sharp focus. Large objectives and long optical tubes make the SkyMaster Pro fairly heavy with a center of gravity biased forward, so hand-holding it may cause fatigue and noticeable hand-shake. A center stabilizer bar has a built-in 1/4"-20 tripod adapter to mount the instrument, with a detachable rail for a red-dot finderscope. To handle a wide range of environments, the optical tubes are nitrogen-filled and O-ring sealed to be water and fogproof.

Optical Performance
  • 20x magnification
  • 80mm objective lenses
  • BAK4 porro prism optical path
  • Proprietary XLT fully multi-coated optics increases light transmission for bright high-contrast images
  • 168' field of view at 1000 yards
  • 64° wide-angle viewing
  • 15.5mm eye relief, 4.0mm exit pupil
Use and Handling
  • ±4 dioptric correction
  • 56-72mm interpupillary adjustment range
  • Detachable RSR (Reflex Sight Ready) rail for attaching an optional red dot finderscope
  • Traditional fold-down eyecups for comfortable use with or without eyewear
  • Includes winged eyecups to block stray peripheral light that can affect vision
Construction Details
  • Lightweight and durable polycarbonate and aluminum chassis
  • Nitrogen-filled for water and fogproof performance
  • Rubber armor protects against impacts and provides slip-resistant grip
  • Built-in tripod adapter for easy mounting
UPC: 050234720311
In the Box
Celestron 20x80 SkyMaster Pro Binocular
  • Removable Finder Rail
  • 2 x Winged Eyecups
  • Ocular Rainguard
  • 2 x Objective Caps
  • Neck Strap
  • Lens Cloth
  • Limited Lifetime Warranty
  • Table of Contents
    • 1Description
    Prism Type Porro
    Magnification 20x
    Objective Lens Diameter 80mm
    Angle of View 3.2° (actual)
    Field-of-View 168.0' @ 1000 yd / 55.8 m @ 1000 m
    Minimum Focus Distance 65.6' / 19.99 m
    Exit Pupil Diameter 4.0 mm
    Eye Relief 15.5 mm
    Interpupillary Adjustment 56.0 - 72.0 mm / 2.2 - 2.8"
    Dioptric Correction ±4
    Focus Type Center
    Tripod Mount Yes
    Dimensions 13.0 x 9.5 x 4.0" / 33.02 x 24.13 x 10.16 cm
    Weight 5.4 lb / 2.45 kg
    Packaging Info
    Package Weight 9.85 lb
    Box Dimensions (LxWxH) 18.0 x 13.8 x 8.4"

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