YAMASU 20X50 Watching Binoculars Adults Review

【Professional High Powered Binoculars 】: 20x magnification & 50mm large objective lens and 26mm large eyepiece lens, HD binoculars are optimized with select glass elements to deliver exceptional resolution, cut chromatic aberration and provide outstanding color fidelity, edge-to-edge sharpness and light transmission. 【Professional Optical Elements】: BAK-4 Prism, Fully multi-coated lenses increase light transmission with multiple anti-reflective coatings on all air-to-glass surfaces, better image brightness, contrast and quality. 【Easy to Use】: 26mm large eyepiece lens for comfortable viewing with or without eyeglasses. Center focus wheel adjusts the focus of both binocular barrels at the same time. Diopter (located on right eyepiece) adjusts for differences in a user's eyes. No double vision, wide field of view and crystal clear. 【Non-slip & Durable】: Rubber armor provides a secure, non-slip grip, and durable external protection.Lens caps and Neck Strap Carrying Bag give binoculars more protection.Binoculars are allowing use on a tripod. 【Daily Waterproof and Fogproof】: Nitrogen purging and O-ring seals provide daily waterproof and fogproof performance in all environments. Rugged construction withstands recoil and impact.