Celestron 20x80 SkyMaster Pro Binocular

Celestron 20x80 SkyMaster Pro Binocular

Celestron 20x80 SkyMaster Pro Binocular

B&H # CE20X81SM MFR # 72031
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Value: $7.89

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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Celestron 72031 overview

  • 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

    Celestron 72031 specs

    Prism Type Porro
    Magnification 20x
    Objective Lens Diameter 80 mm
    Angle of View 3.2° (actual)
    Field of View 168.0' @ 1000 yd / 56.0 m @ 1000 m
    Minimum Focus Distance 65.6' / 20 m
    Exit Pupil Diameter 4.0 mm
    Eye Relief 15.5 mm
    Interpupillary Adjustment 56.0 to 72.0 mm / 2.2 to 2.8"
    Dioptric Correction ±4
    Focus Type Center
    Tripod Mount Yes
    Dimensions 13.0 x 9.5 x 4.0" / 33.0 x 24.1 x 10.2 cm
    Weight 5.4 lb / 2.4 kg
    Packaging Info
    Package Weight 9.85 lb
    Box Dimensions (LxWxH) 18.0 x 13.8 x 8.4"

    Celestron 72031 reviews

    20x80 SkyMaster Pro Binocular is rated 4.6 out of 5 by 7.
    Rated 5 out of 5 by from Excellent quality binoculars Excellent construction and lens quality. Sharp and detailed images. Good for day and night. Would like a hard case included but thats not a problem.
    Date published: 2017-08-28
    Rated 5 out of 5 by from Great binoculars These are perfect for skywatching and long distance viewing. They made a great gift ! My husband loves them!!
    Date published: 2017-02-12
    Rated 5 out of 5 by from Very nice Very pleased with these. Used on a parallelogram mount and able to pick out the Leo trio and M96 group no problem. Comfortable to use, good eye relief. Recommended.
    Date published: 2018-05-08
    Rated 5 out of 5 by from omg i alredy had a pair of zoom binos, 10 to 30 by 60...the celestrons are so far superior...brigntness, clarity and field of view are exceptional for terrestrial and night sky viewing...the optics are superb, and beautifully alligned out of the box...they are terrific for the price...remember, these are big, and powerful, so don't expect to use them hand held...you are gunna need a tripod...
    Date published: 2018-08-22
    Rated 5 out of 5 by from Excellent Binoculars Excellent quality, well built, good optics.
    Date published: 2017-03-10
    Rated 2 out of 5 by from Diopter adjustment jams/freezes. Not "Pro" If the Diopter Adjustment actually worked both ways these would be at least 4 stars. Not sure how they compare to the non-pro version. Have to force down on the right eyepiece to get the binoculars to retract. The Diopter Adjustment just freezes ~1/8 of the way in after being extended.
    Date published: 2018-10-03
    Rated 5 out of 5 by from Very pleased Awesome binoculars!
    Date published: 2017-01-13
    • y_2018, m_10, d_16, h_14
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