Konus Prince 10x42mm Roof Prism Binocular Black/Gray. Furthermore It is also waterproof and come with a truly superb-looking Open Hinge design. Specifications for Konus Prince 10x42mm Roof Prism Binocular: Manufacturer: Konus Color: Black/Gray Magnification: 10 x Objective Lens Diameter: 42 mm Prism System: Roof Prism Material: BAK4 Exit Pupil: 4.2 mm Field of View Linear: 98 m at 1000 m Optical Coating: Green Binoculars Focus System: Center Focus Weight: 711 g Finish: Rubber Coating Features of Konus Prince 10x42mm Roof Prism Binocular Green-coated optics Super lightweight Extra-large eyepieces Phase corrected Open bridge construction Bak-4 prisms Nitrogen filled Super wide angle Waterproof Rubber coating Central focusing Package Contents: Konus Prince 10x42mm Roof Prism Binocular Konus 2349: Prince 10x42mm Roof Prism Binocular Black/Gray