Abstract: The invention relates to an orienteering compass comprising a distance measuring device (4) including a circular element (11) to be rotated over a map from an arbitrary point A to an arbitrary point B for determining the distance from point A to point B. In order to make orienteering easier without significantly enlarging the size of the compass, the distance measuring device comprises an axis (7) provided with a screw thread (6), a pointer (11) to be moved using the screw thread (6) and at least one measuring scale (13, 14) for indicating the distance. The invention also relates to a distance measuring device for an orienteering compass provided with a base plate.

Abstract: The invention relates to a face shield comprising a lens. In order for the shield to have versatile properties and a simple structure and to utilize various apparatuses provided with a display, the shield comprises holding means for detachably receiving a wrist watch-shaped apparatus including a display, and optical apparatuses for displaying information provided by the display in a lens area. The shield is then preferably a diver's mask and the apparatus is a dive computer. The holding means preferably comprise a frame portion and instant attachment means.