The Leupold BX-4 Pro Guide HD Gen 2 binoculars are built for hunters and outdoor professionals who need sharp, high-definition optics and dependable performance in the field. Available in 10x42, 8x42, 10x50, and 12x50 configurations, each model features the same upgraded optical system with enhanced... Read More dielectric and phase-coated prisms for superior brightness, contrast, and edge-to-edge clarity. Leupold’s Guard-ion and DiamondCoat 2 lens coatings repel water, dirt, and scratches while improving light transmission in low-light conditions. Built around a lightweight yet rugged aluminum chassis with a fogproof and waterproof design, these binoculars are ready for extreme environments. The open-bridge roof prism design offers a secure grip and comfortable handling, while the oversized focus dial ensures precise control even with gloved hands. Each pair comes with three interchangeable eyecups—low-profile, medium, and winged—so you can customize your viewing experience whether you're glassing wide open landscapes or dense timber. Backed by Leupold’s Lifetime Guarantee, the BX-4 Pro Guide HD Gen 2 binoculars offer pro-grade performance and durability, no matter which magnification you choose. Read Less