Key Features: HD Optical System: The entire optical system is specifically designed and adjustedto the fluoride High Definition objective lenses. This unique manufacturing methodoptimizes the purpose of HD glass in the new SLCMagnesium Housing: Maximizes strength while being approximately 30% lighterthan commonly used aluminum alloy housings. Monochrome Rubber Armoring: The new SLC series magnesium housing is nowcompletely covered in a rubber armoring with 2 different textures for maximumprotection and handling comfort. Monochrome Rubber Armoring: The new SLC series magnesium housing is nowcompletely covered in a rubber armoring with 2 different textures for maximumprotection and handling comfort. Compact design: The use of the Abbe-König roof prism system enables a moreslender design for smaller hands and an all-round steadier hold. Eye relief: 23% more eye relief over previous model – 16.0 mmReduced Weight: 7% lighter than previous model – only 42 ounces! Increased Light Transmission: 6% greater light transmission over previous modelIncreased Light Transmission: 6% greater light transmission over previous modelWider Field of View: increased to 234 ft @ 1000 ydsEdge to Edge Sharpness: Improved edge to edge clarity, especially whencompared to the competition.4 Position Eyecups: The 4 positions in conjunction with the longer eye relief offergreater viewing comfort and 100% Field of View for eyeglass wearers. Swarovski Optik Swarovski SLC 15x56 WB HD Condition A Demo Binocular 58291