Alpen"s 8x30 high performance Shasta Ridge binoculars are fully waterproof, fully multi-coated, have long eye relief, and feature BAK4 optics that allow hunters, shooters, birders, boaters, and outdoor enthusiasts clearer, brighter viewing under all conditions. The sleek porro prism design provides the performance required by the most dedicated sports optics users. Shasta Ridge binoculars meet the extreme all-weather needs of today’s active adventurers. When your goal is top performance and great value, the ALPEN Shasta Ridge is your best choice. Add to this the security and peace of mind of Alpen"s no fault no problem lifetime warranty.