The Rudolph Optics 10x42mm HD Open-hinged Binocular is the perfect compact all-rounder featuring an extremely wide field of view. The multi-layer coating of the lenses provide an excellent imaging performance even in low light conditions. The 10X magnification is perfecly suitable for the most popular observation distances. Topped off with a rugged and durable rubber finish. Brilliant images with high color fidelity High light transmission due to the multi-layer coating Wide fields of view and a distinct close focusing distance Center knob focus adjustments 100% Waterproof and filled with nitrogen to prevent internal fogging Twistable and comfortable eye cups Brilliant images with high color fidelity High light transmission due to the multi-layer coating Wide fields of view and a distinct close focusing distance 100% Waterproof and filled with nitrogen to prevent internal fogging Twistable and comfortable eye cups Rain, Refl, >150 modes CR2 - 3V battery Specifications: FOV @ 1000 meters: 122 meters Eyereleif: 16 mm Nearest Focus: 5 meters Lens Coating: Fully Multi-Coated Weight: 2.52 lbs Waterproof, Fogproof, Shockproof: Yes Nitrogen Filled: Yes