Elite Optical System: Offers excellent dawn-to-dusk light transmission for a bright image when it matters most, elite-level glare reduction in harsh light, and the resolution and clarity that diehard hunters and shooters demand; Open Bridge Roof Prism Design: Open bridge, roof prism design is extremely lightweight and ergonomic; Diamond Coat 2: Exterior lens surfaces are treated with DiamondCoat 2, an ion-assist lens coating, for higher light transmission and the greatest level of abrasion resistance they've ever offered; Fully Multi Coated Lens System: Leupold's fully multi-coated lens system ensures maximum brightness for clarity, contrast, and color fidelity; Guard-Ion: Guard-ion is a hydrophobic lens coating that sheds dirt and water for a maintenance-free, clear, crisp image; High-Definition: High-definition, calcium-fluoride lenses ensure incredible clarity at all magnification levels; Phase Coated: Phase coated roof prisms significantly increase resolution for a sharp sight picture from edge-to-edge of the visual field; Tripod Ready: A built-in 1/4-20 rotatable tripod adapter port makes it easy to mount to a tripod; Smooth Central Focusing Deal: Large, tactile focus dial is easy to find and use, even with gloved hands, which gives you the precision focus you need to pick antlers out of the trees or hide out of the brush