The premium binocular in the Burris lineup, the Signature HD Binoculars offer high-performance HD lenses and BaK-4 prisms that produce sharper images and edge-to-edge clarity. The multi-coated lenses create maximum light transmission and reduce any glare when viewing in harsh conditions8x magnification and HD glass for optimal light transmission and true color fidelityHunters have trusted Burris optics for over 50 years and the Signature HD binoculars continue the tradition of reliability, affordability and performanceThe premium binocular in the Burris lineup, the Signature HD Binoculars offer high-performance HD lenses and BaK-4 prisms that produce sharper images and edge-to-edge clarityThe multi-coated lenses create maximum light transmission and reduce any glare when viewing in harsh conditions High-performance HD lenses and BaK-4 prisms produce sharper images and edge-toedge clarityOpen bridge design reduces weight and is comfortable to holdNitrogen filled for waterproof and fogproof performance in harsh weather conditionsRobust aluminum eyecups for extreme ruggedness