7x50MC is a marine binocular in its compact form and is designed for use on ships and boats.It has internal analog compass and rangefinding reticle for navigation purposes. Compass has an internal light that illuminates readings when turned on with the push of a button on top. Bak4 prisms for better image quality. Ruby coated lens prevents glare from the Sun and adds contrast when viewing. The system is filled with dry nitrogen and sealed to be waterproof and fogproof. Individually adjustable eye pieces allow INSTANT FOCUS for personal use when set-up. Padded pouch and floatable neck strap is included.