8x56 Blackhawk, Solid construction roof prism binoculars, Large objective lens for improved light transmission, Fully multi-coated optics, Ergonomic and sleek rubber armor, These binoculars are designed and engineered to take the hard knocks of rugged outdoor use and make viewing a pleasure. Ideal for all terrestrial observations and astronomy viewing Features: Solid construction roof prism binoculars Large objective lens for improved light transmission Large ocular lens Fully multi-coated optics delivers luminous and high contrast images Ergonomic and sleek rubber armor Ideal for all terrestrial observations and astronomy viewing Includes carrying case and neck strap Specifications: Magnification: 8x Objective Lens(mm): 56 Prism Type: Roof Prism Glass: BAK-7 Exit Pupil(mm): 7 Optical Coating: Fully Multi Focus System: Center Field of View (ft@1000yds/m@1000m): 299/100 Close Focus(ft/m): 16.04/5 Eye Relief(mm): 22 Weight (oz.): 38.4