| 摘要 |
The invention relates to a mobile video centring system for determining centring data for spectacle lenses, consisting of at least one image capturing device, an image processing unit having a computer, and an operating unit, the image capturing device, the image processing unit and the operating unit being integrated in a mobile housing which can be aligned towards the face of the wearer of the spectacles in conjunction with the image capturing device. According to the invention, the mobile video centring system consists of a tablet PC (1) which has a display, a position sensor and an image capturing device (2) on at least one of the two vertical edge regions of the side facing away from the display. The side of the tablet PC (1) facing away from the display is provided with an optical attachment (3) which proceeds from the objective of this image capturing device (2) and has an image inlet (4, 11), the optical axis of which can be aligned towards the face of the wearer of the spectacles. A periscope is arranged in the optical attachment (3) and a lens system (7), which increases the focal length of the objective of the image capturing device (2), is arranged between the deflecting mirrors (6, 8) of the periscope. |
