Camera housing cover, has fastening unit e.g. hole, provided at one housing surface for fixing measuring mark e.g. retro reflecting mark and arranged in defined and abide position of camera coordination systems

摘要

The cover has housing surfaces that enclose a camera or part of the camera. A fastening unit (4) e.g. hole, is provided at one of the housing surface for fixing a measuring mark (5) e.g. retro reflecting mark. The fastening unit is arranged in a defined and abide position of a camera coordination system and is arranged at front of the cover pointing in a line of vision of the camera. The mark has a minimal diameter of 20 millimeter.