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  • 5x magnification porro prism binocular
  • Large 70 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
  • Tripod adapter included
  • Long eye relief ideal for eyeglass wearers
  • Carrying case included for travel and safe storage

Magnification 25x

Objective Lens Diameter 70mm (2.75")

Angular Field of View 2.7°

Linear Field of View (@1000 yds) / @1000 m) 141 ft (47 m)

Exit Pupil 2.8mm (.11")

Eye Relief 13mm (.51")

Close Focus 75 ft (23 m)

Interpupillary Distance (max) 72mm (2.83")

Interpupillary Distance (min) 56mm (2.20")

Diopter Adjustment Range -4 to +8

Twilight Factor 41.83

Relative Brightness 7.84

Lens Coatings Multi-Coated

Prism Glass (Type) BaK-4

Prism Coatings N/A

Weight 52 oz (1474 g)

Environmental Protection Water Resistant

Nitrogen Filled No

Tripod Adaptable Yes

Carrying Case Nylon

Dimensions 220mm x 110mm x 280mm (8.7" x 4.3" x 11.0")

Included Accessories Objective lens caps| Tripod adapter| Rainguard| Carrying case| Neck strap| Lens cloth| Instruction manual


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.

The 25x70 version is one of the most popular models in the series. It offers serious large aperture light gathering in an affordable and reasonably lightweight configuration.



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