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Celestron 20×80 SkyMaster Binocular


  • 20x magnification porro prism binocular
  • Giant 80 mm objective lens offers maximum image brightness in low-light and long-range conditions
  • Ultra sharp focus across the field of view
  • Multi-Coated optics for sharp, clear views
  • Suitable for terrestrial or astronomical viewing
  • Protective rubber covering for ultra-firm grip
  • Large center focus knob for easy focusing
  • Integrated tripod adapter rod for ultra-stable tripod mounting
  • Long eye relief ideal for eyeglass wearers
  • Soft carrying case included for travel and safe storage
  • Limited Lifetime Warranty provides best protection and product support on the market

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SKU: C/71018 Categories: ,


The Celestron 20×80 SkyMaster Binocular is an economically-priced large aperture binocular, great both for astronomy or long range terrestrial observing. The tripod adapter on the 20×80 model provides support and increased rigidity-indeed, these were never designed to be used handheld. Take Celestron 20×80 SkyMaster Binocular where skies are dark and mount it to a tripod. Then be awed at their awesome ability to penetrate the inky depths of night, revealing subtle nuances of galaxies and nebulae with all the advantages of using two eyes

Celestron’s SkyMaster Series of large aperture binoculars are a phenomenal value for high performance binoculars ideal for astronomical viewing or for terrestrial (land) use – especially over long distances. Each SkyMaster model features high quality BaK-4 prisms and multi-coated optics for enhanced contrast. Celestron has designed and engineered the larger SkyMaster models to meet the special demands of extended astronomical or terrestrial viewing sessions.


  • Angular Field of View: 3.7″
  • Close Focus: 108 ft (33 m)
  • Exit Pupil (mm): 4 mm
  • Eye Relief (mm): 18 mm
  • Magnification (x): 20x
  • Objective Lens Diameter (mm): 80 mm
  • Optical Coatings: Multi-Coated
  • Prism Glass (Type): BaK-4
  • Relative Brightness: 16
  • Twilight Factor: 40
  • Weatherproof: Water Resistant
  • Weight (oz): 75 oz (2126 g)


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