A pocket-sized binocular comes in handy almost daily, and our newest sporting compact offers fantastic clarity with minimal weight and size. Echo Compact 8X and 10X25 binoculars are waterproof and durable, making them a perfect fit for everyday use. BaK-4 prism glass, Emerald Fire full multi-coating and our twist-up eye relief system take sporting optics to the next level of quality and performance. BaK-4 prism glass Emerald Fire full multi-coating Twist-up eye relief system (eyeglass compatible) Waterproof/fogproof Nitrogen filled Polymer frame w/ ergonomic body armor Includes neck strap, and carrying case Five-year warranty ECHO825 8X25 4.5”x5.2”x1.6” 14 oz 10 ft. Close focus 3.1mm Exit pupil 13mm Eye relief 429 ft. Field of view @ 1000 yds ECHO1025 10X25 4.5”x5.2”x1.6” 14 oz 12 ft. Close focus 2.5mm Exit pupil 12mm Eye relief 325 ft. Field of view @ 1000 yds