"The Kruger Optical Backcountry 10x50 Binocular combines premium optics, elegant design and rugged styling. Phase coated prism and fully broadband coated lens delivers bright and clear images. O-ring sealed and nitrogen-filled, this waterproof, fogproof binocular is ready for any weather the wilderness can dish out. It has excellent close focus (1m), long eye relief and twist-up eyecups. Compact design and easy-grip rubber armor make this Binocular easy to carry and use. The COOLNECK strap, made with advanced, breathable materials, contains a pocket for hand-warmers or an ice pack, for optimum neck comfort in any season.|Broadband antireflection high fidelity coated optics|BaK-4 phase coated prisms for superb image clarity|1m close focus with internal center focus system|Rugged metal body construction|Waterproof/fogproof/nitrogen-processed|Excellent long eye relief with twist-up eyecups|Textured armor for excellent grip|COOLNECK quick release strap"