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. With higher magnifications than standard binoculars, SkyMaster 12x60 brings celestial objects up close, providing images with outstanding detail. View the heavens and the world around you with the SkyMaster Series , ,The features of the SkyMaster series include: fully multi-coated optics for extremely sharp, clear views, Porro design for maximum image brightness, eyecups for optimum positioning for correct eye relief, suitable for terrestrial or astronomical viewing, protective rubber covering for a firm grip, large centre 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 , ,- Optical Design: Porro ,- Magnification: 12x ,- Objective Lens Diameter: 60mm ,- Angular Field Of View: 5.3° ,- Linear Field Of View (@1000Yds): 278 ft (92m) ,- Near Focus: 59ft (18m) ,- Prisms: Bak4 ,- Tripod Adaptable: Yes ,- Weight: 1111g