Nature lovers everywhere delight in the majesty of nature. Now the Eagle Optics Golden Eagle makes watching the soaring antics of eagles, warblers, and everything in between a pure joy. The rugged and lightweight Golden Eagle houses High Density (HD) extra-low dispersion glass with fully multi-coated lenses that engulf you in the fine details, rich color, and bright views. Protected with rubber armoring, waterproofing, and fogproofing, the Golden Eagle comes with the Eagle Optics Platinum Protection Lifetime Warranty-the best warranty around! Optical Features High Definition (HD) extra-low dispersion Glass Enhances resolution, color, and contrast. Fully Multi-coated Lenses Increase light transmission with multiple anti-reflective coatings on all air-to-glass surfaces. Phase Correction Enhances resolution and contrast through roof prisms. Dielectric Prism Coatings Optimize light transmission. BaK-4 Prisms Optimize light transmission. Construction Features Roof Prisms Appreciated for a streamlined shape and durability. Rubber Armoring Provides a secure, non-slip grip. Multi-position Eyecups Twist up and down for comfortable viewing with or without eyeglasses. Center Focus Wheel Adjusts both binocular barrels at the same time. Locking Right Eye Diopter Adjusts for differences in a user's eyes. Located by the right eyepiece. Tripod Adaptable Can be mounted using standard ¼-inch threading. Adapter sold separately. Design Features Waterproof Optics are sealed with O-rings to prevent moisture, dust, and debris from getting inside the binocular. Fogproof Barrels are filled with argon gas to inhibit internal fogging. SeeClear™ Lens Coating Repels oils on outer glass surfaces.