If you want premium performance at the right price, the Meopta MEOPRO 8x42 Binocular 523470 is the way to go. Meopta starts with its proprietary ion-assisted lens coatings to deliver an industry leading light transmission of 99.8 percent. A precise focusing mechanism requires only 1-1/4 revolutions to go from close focus to infinity. Generous eye relief, three position twist-up eyecups, a great close focus, and a wide field of view complete your enjoyment of the MeoPro. Meopta provides a lifetime transferable warranty for this binocular. Optical Features Multi-coated Lenses Increase light transmission with multiple anti-reflective coatings on all air-to-glass surfaces. MB550 lens coatings. Phase Correction Enhances resolution and contrast through roof prisms. BaK-4 Prisms Optimize light transmission. Construction Features Roof Prisms Appreciated for a streamlined shape and durability. Aluminum Body Is sturdy and resistant to corrosion. 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. Right Eye Diopter Adjusts for differences in a user’s eyes. Located by the center focus wheel. 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 nitrogen gas to inhibit internal fogging. MEOPRO 8x42 Binocular Demo - Code B 523470