Athlon Optics Midas G2 10x50 UHD Binoculars get their name from King Midas, a man of Greek Myth who could turn anything he touched into gold. These rugged, all weather field glasses have truly set the gold standard for Athlons line of binoculars. They come equipped BaK-4 prisms that been given Athlons own Enhanced Spectral Prism (ESP) Dielectric coatings. This prism system reflects over 99% of the light into the users eyes for a bright picture with accurate color reproduction. In addition, the Midas was designed with a magnesium chassis, which provides the strength of a metal chassis while reducing the weight by 35%. Features of the Midas G2 10x50 UHD Binoculars: UHD Extra Low dispersion glass ESP Dielectric Coating Lightweight Magnesium ChassisXPL Coating for dirt, scratch and oil protectionPhase Corrected PrismsBaK4 Prisms Advanced Fully Multi-Coated LensesLong Eye Relief (16.9mm) Close focus Twist up EyecupsWaterproof Argon Purging Athlon Midas G2 10x50mm UHD Binoculars 113007