Celestron Skymaster Binocular - 25x70 large aperture binoculars are phenomenal value for high performance binoculars and are ideal for astronomical viewing or for terrestrial (land) use, especially over long distances.
Each pair of Celestron Skymaster Binoculars feature high quality BAK-4 prisms and multi-coated optics for enhanced contrast, clear, sharp views and ultra sharp focus across the field of view. Celestron has designed and engineered the larger SkyMaster models to meet the special demands of extended astronomical or terrestrial viewing sessions.
- 25x 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 terrterrestrial or astronomical viewing.
- Protective rubber covering for ultra-firm grip.
- Large centre focus knob for easy focusing.
- Tripod adapter included.
- Long eye relief ideal for eyeglass wearers.
-Carrying case included for travel and safe storage.
Objective Lens Diameter 70 mm (2.75")
Angular Field of View 2.7°
Linear Field of View (@1000 yds) / @1000 m) 141 ft (47 m)
Exit Pupil 2.8 mm (.11")
Eye Relief 13 mm (.51")
Close Focus 75 ft (23 m)
Interpupillary Distance (max) 72 mm (2.83")
Interpupillary Distance (min) 56 mm (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 Yes
Tripod Adaptable Yes
Carrying Case Nylon
Dimensions 220 mm x 110 mm x 280 mm (8.7" x 4.3" x 11.0")
Included Accessories Objective lens caps| Tripod adapter| Rain guard| Carrying case| Neck strap| Lens cloth| Instruction manual