Just like its namesake Cronus the King of all Mythological Greek Titans this is the King of the Athlon binoculars! Athlon's Cronus family brings products inspired by a combined commitment to brightness clarity resolution and exceptional ranging capabilities. Designed for serious glassing with exceptional edge-to-edge clarity sharp detail enhancement ultra-clear brightness and true color representation. With ranging capabilities of 5 yards to 800 yards on a deer and out to 2000 yards on a reflective target these range-finding Binoculars are perfect for any hunting or long-range situation. We designed these binoculars with our revolutionary E2ES lens system that gives you a flat field of view. Athlon included ED Glass resulting in a clearer and sharper image as well as an illuminated ranging display.