With the BX-4 Pro Guide HD binoculars we decreased the magnification and objective size to reduce weight, all while maintaining the level of performance you'd expect from a full-size binocular. The binocular offers excellent dawn to dusk light transmission for a bright image when it matters most, elite-level glare reduction in harsh light and the resolution and clarity that hunters and shooters demand. Features open-bridge roof prism design, twist up eyecups, field replaceable eyecups, over sized eyepiece, aluminum body with shadow gray textured body armor and 1/4-20 threaded tripod adapter. Includes Pro Gear Accessories- Go Afield shoulder strap, binocular case, lens covers and a lens cloth. Finish Shadow Gray Armor Coated Proofs Fog/Waterproof Series Pro Guide HD Weight 17 oz Objective 32mm Eye Relief 16mm Focus Type Center Prism Type Roof Short Focus 6 ft Field Of View 394 ft @ 1,000 yds Magnification 10x Optic Coating Fully Multi-Coated Exit Pupil Diameter 3.20mm