Carson 3D Series Binoculars deliver high-performance optics in a rugged, lightweight design. Featuring extra-low dispersion (ED) glass and phase-corrected BaK-4 prisms, they produce crisp, clear images with excellent color accuracy. Fully multi-coated lenses maximize brightness, even in low-light conditions. Built for the outdoors, these binoculars are waterproof, fog-proof, and rubber-armored for a secure grip and impact resistance. Twist-up eyecups and long eye relief ensure comfortable viewing, making them ideal for birdwatching, hiking, and other outdoor activities.