| 摘要 |
PROBLEM TO BE SOLVED: To provide contactless identification of interchangeable lenses in system cameras, which identification can be read simply and reliably in the rest state of the lens, can easily be retrofitted to existing interchangeable lenses and facilitates association with specific lens types of a camera system for service (maintenance, inspection, repair, and so on) purposes so well. SOLUTION: The interchangeable lens with a locking device 2, 2' for system cameras is described, wherein an orientation marking 4 for mounting the locking device 2, 2' on the camera is provided at the end of the lens housing 3, and the contact surface 6 of the locking device 2, 2' has a latching depression 8 at a distance from the orientation marking 4 counter to the direction 7 of rotation of the locking operation, and the contact surface 6 contains at least two surface areas 10 which are situated next to one another in an isolated fashion at a distance from the latching depression 8 counter to the direction 7 of rotation within an angle segment of from 100°to 160°, and can be detected individually by optical means. COPYRIGHT: (C)2007,JPO&INPIT
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