SkyMaster 8x56

SkyMaster 8x56

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  • 8x magnification porro prism binocular

  • Fully Multi-Coated optics for extremely sharp, clear views

  • Rugged full-size design for maximum image brightness

  • Nitrogen purged for waterproof and fogproof performance

  • Multi position twist-up eyecups for quick adjustment and optimum eye relief

  • Suitable for terrestrial or astronomical viewing

  • Protective rubber covering for ultra-firm grip

  • Large center focus knob for easy focusing

  • Carrying case included for travel and safe storage

  • Limited Lifetime Warranty provides best protection and product support on the market


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. SkyMaster models feature 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.


Objective Lens Diameter (mm) 56 mm
Magnification (x) 8x
Angular Field of View 5.8°
Exit Pupil (mm) 7 mm
Eye Relief (mm) 18 mm
Close Focus 25 ft (7.6 m)
IPD Max 72 mm
IPD Min 58 mm
Optical Coatings Fully Multi-Coated
Weight (oz) 38 oz (1077 g)
Prism Glass (Type) BaK-4
Twilight Factor 21.16
Relative Brightness 49

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