The premium binocular in the Burris lineup the Burris Signature HD Binoculars offer high-performance HD lenses and BaK-4 prisms that produce sharper images and edge-to-edge clarity. Multi-coated lenses create maximum light transmission and reduce any glare when viewing in harsh conditions. 12x magnification is the best choice for wide open country and terrain and larger 50mm objective gathers more light for better detail in low light.