Athlon Argos G2 HD Full Size Binocular - 10x50 - The Argos G2 10x50 HD 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 Athlon's 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. XPL: Extra protection on the exterior lenses to prevent the scope from enduring dirt, oil, and potential scratches.; 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.; Phase Corrected Prisms: Special coating on prisms that produces images with better contrast, a higher resolution and better color reproduction.; Waterproof; Close Focus; Argon Purged; Advanced Fully Multi-Coated Lenses;