Night vision magnetic compass (NSN 5855-01-381-6052) displays a compass that overlays the night vision scene. The compass is automatically focused for simple operation and easily activated by a momentary-pressure switch. Thus, illuminating the compass bearings but not degrading low-light performance of the night vision image. The compass allows you to quickly check your directional heading while navigating the dark environment. It fits popular NVGs (e.g. PVS-15, PVS-18, PVS-14).