The TD-050ED, 10x50mm is part of our 3D/ED Series Binocular line that combines our HD optical coating technology with ED glass to give you the brightest, and clearest image possible. The TD-050ED binocular with ED glass are ideal for hunting or birding. Rubberized armor coating makes this full-sized 3D Series binocular rugged and shock proof. The body is nitrogen purged and O-ring sealed making them waterproof and fogproof. Extra long eye relief with twist down eyecups make this full-sized 3D/ED glass binocular perfect for eyeglass wearers. The precisely placed thumb grooves, “just right” texturing and all-over lightweight body ergonomics make the 3D/ED Series binoculars perfect for long hunts or bird watching expeditions. The TD-050ED is also perfect for outdoor activities or sporting events.