The Original U.S. WWII M17 7x50 Binoculars with Coated Optics are full-size binoculars with a 50mm objective lens diameter and a maximum magnification of 7x. These binoculars, made by the US Military, feature coated optics for improved clarity and performance. The M17 Stock#7578344 model is designed for military applications, making it a reliable and durable option for outdoor activities or historical reenactments.