With higher magnifications than standard binoculars, SkyMaster 12x60mm brings celestial objects up close, providing images with outstanding detail. View the heavens and the world around you with the SkyMaster Series. The SkyMaster series of binoculars have multi-coated optics and high index BaK-4 prisms for superb light transmission and increased contrast and resolution. Coupled with large objective lenses, BaK-4 prisms offer amazing light gathering capabilities making them ideal for stargazing and other low-light applications. Specifications Magnification: 12x Objective Lens Diameter: 60mm (2.36") Focal Length of Objective Lens: 228.11mm (8.98") Angular Field of View: 5.3° Linear Field of View (@1000 yds) / @1000 m): 278 ft (92 m) Exit Pupil: 5mm (.2") Eye Relief: 17mm (.67") Close Focus: 59 ft (18 m) Interpupillary Distance (max): 72mm (2.83") Interpupillary Distance (min): 56mm (2.20") Diopter Adjustment Range: -4 to +8 Twilight Factor: 27 Relative Brightness: 25 Limiting Stellar Magnitude: Ideal: 11.39Moderate: 10.39Poor: 9.39 Lens Coatings: Multi-Coated Prism Glass (Type): BaK-4 Prism Coatings: N/A Weight: 39.2 oz (1111 g) Environmental Protection: Water Resistant Nitrogen Filled: No Tripod Adaptable: Yes Carrying Case: Nylon Dimensions: 210mm x 206mm x 72mm (8.25" x 8.1" x 2.8")
