Model #181178 - BX-2 Alpine HD 10x52mm binoculars in shadow gray 100% Waterproof and fogproof and backed by Leupold's legendary customer care Fully multi-coated lens system ensures maximum brightness for clarity, contrast, and color fidelity BAK 4 Prisms deliver a perfectly round exit pupil with virtually no edge distortion and a crisp, clear image Open bridge, roof prism design - Extremely lightweight and ergonomic While 10x42 binoculars are tried-and-true, sometimes you just need more light. By moving up to the BX-2 Alpine HD 10x52mm, you increase the amount of light getting to your eye, which is great for low-light conditions. Whether it's your first binocular or your 50th, your glass needs to give you a bright image, feel comfortable in your hands, and be able to take a beating. Now available with high-definition performance, the BX-2 Alpine HD binocular checks all of these boxes and more. Built around Leupolds Advanced Optical System, it offers tried and true light transmission for extended glassing sessions, best in class glare reduction in harsh light, and the resolution and clarity that recreational sportsmen and sportswomen demand. It comes with Pro Gear accessories, too: including a GO Afield binocular harness, lens covers, and lens cloth. And like all Leupold binoculars, it's fogproof, waterproof, and guaranteed to perform for life.