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Celestron SkyMaster 18x - 40x80 Zoom Binocular
Celestron SkyMaster 18x - 40x80 Zoom Binocular

Celestron SkyMaster 18x - 40x80 Zoom Binocular

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Your Price: CAD303.45
Retail Price:CAD318.62

Your Savings:CAD15.17(5%)

Generally Ships in 5-7 Business Days
Part Number:71021

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Key Features

  • Traditional BAK4 Porro Prisms
  • Anti-Reflection Multi-Coated Optics
  • Wide and Versatile Zoom Capability
  • Weather-Resistant Armored Housing

Equipped with an oversized aperture and a powerful zoom range, the Celestron 18-40x80 SkyMaster Zoom Binoculars are an ideal choice for long-duration astronomical or long-distance terrestrial (land) use. The large objectives ensure volumes of light are gathered to see better than smaller-aperture models, and the easy zoom lever allows you to set the binoculars on low power to easily find your subject, then zoom in to make detailed up-close observations. These binoculars were engineered with an exceptionally long eye relief to make them comfortable to look through for extended periods of time, while limiting eye strain. Because of the size and weight of the SkyMaster binoculars, Celestron engineered them with a center stabilizer bar and an adjustable tripod mount to provide a hands-free option and relieve arm strain, reduce fatigue, and limit vibrations.

Optical Performance

  • Broad and powerful 18-40x zoom magnification
  • Large, oversized 80mm objective lenses
  • Traditional Porro prism light path
  • BAK4 prisms deliver a round exit pupil, and a crisp and clear image with limited edge distortion
  • Multi-coated optics improve light transmission, color rendition, and contrast
  • Locate a subject more easily on low-power, then zoom in for a close-up view
  • 96-foot field of view at 1000 yards on 18x power
  • Long 20.3mm eye relief at 18x power
  • Exit pupil: 4.4mm at 18x; 2mm at 40x

Use and Handling

  • Large center focusing wheel is easy to manipulate, even when wearing gloves
  • Right-eye dioptric correction
  • Fold-down rubber eyecups for comfortable use with or without eyewear

Construction Details

  • Integrated center stabilizer bar adds rigidity while keeping the optical tubes parallel for improved views
  • Built-in tripod adapter on stabilizer bar reduces vibration and arm fatigue, and can be moved forward or back to precisely balance the binoculars on the tripod/head
  • Protective rubber armoring provides a slip-resistant grip
  • Textured palm-pads improve grip security and stability
  • Weight: 4.75 pounds

Celestron 71021 Specs

Prism TypePorro (BAK4)
Magnification18 to 40x
Objective Lens Diameter80 mm
Angle of View18x: 1.9° (Actual)
Field of View18x: 96' @ 1000 yd / 31.87 m @ 1000 m
Minimum Focus Distance106.2' / 32.4 m
Exit Pupil Diameter18x: 4.4 mm
40x: 2 mm
Eye Relief18x: 20.3 mm
Diopter AdjustmentYes
Focus TypeCenter
Water ResistanceWater Resistant
Dimensions14 x 9 x 4.7" / 35.56 x 22.86 x 11.94 cm
Weight4.76 lb / 2.16 kg
Packaging Info
Package Weight7.2 lb
Box Dimensions (LxWxH)17.7 x 11.8 x 7.9"

In the Box

  • Celestron 18-40x80 SkyMaster Zoom Binoculars
  • Soft Carrying Case
  • Neck Strap
  • Lens Cloth
  • One-Piece Ocular Rainguard
  • 2 x Objective Lens Caps
  • Limited Lifetime Warranty

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