Celestron SkyMaster 25x70

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 25x70mm 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. Magnification: 25x Objective Lens Diameter: 70mm Focal Length of Objective Lens: 280mm Angular Field of View: 2.7° Linear Field of View (@1000 yds) / @1000 m): 47m Exit Pupil: 2.8mm Eye Relief: 13mm Close Focus: 75 ft Interpupillary Distance (max): 72mm Interpupillary Distance (min): 56mm Diopter Adjustment Range: -4 to +8 Twilight Factor: 41.83 Relative Brightness: 7.84 Limiting Stellar Magnitude: Ideal: 11.73 | Moderate: 10.73 | Poor: 9.73 Lens Coatings: Multi-Coated Prism Glass (Type): BaK-4 Prism Coatings: N/A Weight: 1474 g Environmental Protection: Water Resistant Nitrogen Filled: No Tripod Adaptable: Yes Carrying Case: Nylon Dimensions: 220mm x 110mm x 280mm Included Items: Objective lens caps Tripod adapter Rainguard Carrying case Neck strap Lens cloth Instruction manual