Nikon 7539 10x42 PROSTAFF 7 Binocular (Camo) Aluminum High-reflective Multilayer Prism Coating with phase correction coating on roof prism for excellent brightness and resolution Fully Multicoated Lenses O-ring sealed and dry nitrogen for guaranteed waterproof/fogproof performance Durable and Protective, Rubber-Armored Coating Generous Eye Relief for eyeglass wearers Full-size binocular with 10x magnification and 42mm objective lens Fully multicoated, high-resolution optics deliver bright, crisp images Highly reflective, phase-correction aluminum coating on roof prism Ultra-rugged, rubber-armored ATB body is waterproof and fogproof APG camo finish; measures 6.8 x 5.1 inches; 25-year limited warranty