| 摘要 |
PURPOSE:To provide a photographing camera with an index for surely conforming a pattern to the image center of the camera. CONSTITUTION:Needle members 4, 5 are installed near a camera 3, and the positioning between the camera and a pattern is conducted by use of an index constituted so that the intersection of the top ends of the needle members 4, 5 or the intersection on the extended line instructs the image center of the camera 3. A half mirror 9 having a prescribed angle to the optical axis of the camera is arranged on the front surface of the camera 3, a laser beam is emitted to the half mirror 9 and reflected in the pattern direction, and the laser beam emitted onto the pattern is set to the image center of the camera 3 to conduct the positioning between the camera and the pattern. |
