High-performance binoculars with superior ergonomics, 42 mm objective diameter lens that lets you close in on your target with confidence. Nikons dielectric high-reflective multilayer coating enables superior light transmission for vivid images, even at high magnification. O-ring seals and nitrogen gas make them waterproof and fog-free, and the durable body design boasts rubber armoring for reliable performance and a comfortable grip. Extremely portable, these lightweight binoculars are ideal for trekking and nature watching.