The Nautica 7x50 Individual Focus with RC Reticle and Compass features a backlit illuminated liquid dampened magnetic compass - excellent navigational tool for land and sea. A horizontal and vertical etched reticle to help determine relative size of objects. Rangefinding dial calculates actual object distance or size. Completely waterproof - dry nitrogen charged and sealed with internal 0-Rings to prevent internal fogging - unaffected by climate and temperature changes. Individual eyepiece focus with diopter scale for quick and accurate focusing. Excellent depth of field for minimal focus adjustments. Attached objective caps, so they won't get lost at sea.