Brookstone 10 x 50 Multipurpose Binoculars. Great for nature trips, sightseeing and sporting events. 10x magnification for up-close viewing. Lightweight durable rubberized design. Includes storage case, neck strap, and cleaning cloth. Multi-coated optics for sharpness contrast and high light intensity. Smooth easy-grip durable rubber casing resists impact and abrasion. Porro prism optical design for high contrast images. Specifications: 10x magnification. Dimensions: 200 x 180 x 65 mm. Angular field of view: 5.8" (147mm). Linear field of view: @1000 yds: 303 ft. (92.35 m).