These binoculars feature aspherical lenses, an ergonomic chassis and quick central-focus to maximize long-term viewing comfort. High-resolution aspherical lens system is engineered to provide an extremely clear, distortion-free image over the entire field of view. Offers a field of view of 400 feet at 1000 yards, making them true wide-field-of-view binoculars. Constructed with an all-metal chassis and lens fittings housed in a tough, lightweight polycarbonate body. Body is ergonomically shaped, tripod adaptable and rubber coated for an easy grip and stylish carry. Diopter control allows easy compensation for common left eye/right eye vision imbalance. Multi-coated, anti-reflective lens coatings are engineered to deliver optimum brightness, high contrast, true color rendition and flare-free viewing. Utilizes BaK4 high index prisms for clear, round images free from vignetting.

The all-purpose Monarch ATB?äó mid-size binoculars have fully multi-coated lenses and offer waterproof, fogproof and shockproof performance. Ergonomic styling is mated with a rubber-armored exterior, providing added shock resistance and a firm grip whether wet or dry. All lens and prism elements incorporate Nikon-exclusive Eco-Glass made without the use of arsenic or lead. Prisms feature phase-correction coatings and high-reflection mirror coatings for superior sharpness and resolution. All lenses are fully coated with multiple layers of anti-reflective compounds for maximum light transmission. Large, central focus wheel and adjustable diopter make focus easy to achieve and maintain, even while wearing gloves. Turn-and-slide rubber eyecups, complemented by long eye relief, allow the binoculars to be used comfortably by eyeglass wearers. Great for bird watching, travel, sports spectating and nearly any outdoor adventure.