Steiner 7x30 Navigator Pro C Binocular Marine binocular with 7x magnification and 30mm objective lens Built-in compass system with range-finding reticle for determining distance Auto-focus system keeps objects in focus from 20 yards to infinity Anti-haze CAT optics block glare without sacrificing brightness Measures 6.8 x 2.2 x 4.6 inches (W x H x D); weighs 20 ounces