Premium ED HD Binoculars 10x42 for Adults, Waterproof & Fogproof with Magnesium Alloy Body, BAK4 Prism - High Power Binoculars for Bird Watching, Hunting, Travel & Outdoor Sports, Compact

10x magnification & 42mm objective lenses, these HD binos are optimized with select glass elements to deliver exceptional resolution, cut chromatic aberration and provide outstanding color fidelity, sharpness and light transmission ED lenses (Extra-low Dispersion lenses) effectively correct chromatic aberration for clearer and brighter viewing. Fully multi-coated lenses increase light transmission with anti-reflective coatings on all air-to-glass surfaces. Dielectric coating provides bright, clear, color-accurate images,protects exterior lenses from scratches, oil and dirt; Phase film is an optical technology applied to roof prism systems to improve colour reproduction and resolving power in imaging. Adjustable eyecups twist up and down 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. magnesium alloy lens body and Sophisticated rubber armored exterior design provides shock resistance and a firm comfortable ************************************************************* Extended period of use,Rubber armor provides a secure, non-slip *************************************************************, and durable external protection. Binoculars are tripod adaptable allowing use on a tripod or car window mount. Argon purging and O-ring seals provide water and fog proof performance in all environments. Argon is better than nitrogen and has a lower thermal conductivity. Argon gas can effectively resist oxidation, corrosion and fogging inside the telescope due to temperature changes. Backed by our unlimited, unconditional, *************************************************************, VIP *************************************************************.