The Argos G2 10x42 UHD has a secure, ergonomic, and comfortable one-handed grip. They come with superior quality Advanced fully multi-coated lenses for sharp contrast, true color, and excellent light gathering capabilities. They also have Bak-4 prism glass featuring Extra-Low Dispersion lenses and our new ESP Dielectric coating and phase correction for color fidelity and sharpness. Argon gas purging makes the Argos binoculars waterproof and fog proof. A light weight magnesium alloy chassis reduces weight, taking strain off of your neck but makes it strong enough for the harshest environments. Features ESP DIELECTRIC COATING Reflects over 99% of the light to your eyes bringing you a clear, bright image and accurate color reproduction. MAGNESIUM CHASSIS A special alloy that consists of magnesium, aluminum and other elements gives you the strength of a metal chassis while reducing the weight as much as 30-40% and offering 40-50% higher strength comparing with typical aluminum materials. XPL COATING Extra protection on the exterior lenses to prevent the scope from enduring dirt, oil, and potential scratches.