| 摘要 |
PURPOSE:To obtain excellent attaching and detaching operability, by providing the locking means only for the accessory side such as lenses. CONSTITUTION:The camera main body C at the side to be loaded is provided with the mounting member 8 loaded to a given position, permitting the relative rotation to the mirror barrel main body 1. Further, with the revolution of the mirror cylinder 1, it is attachably and detachably constituted in the camera C at loaded side of the optical device. Independently of the location at loading of the diaphragm preset cam ring 17 fitted turnally in the body and the interlocking arm 17b' formed at one part of body, when the optical device is detached from the camera C at loaded side, the interlocking member like the arm 17b' is returned to a given location of the mounting member 8 according to the rotation of the body 1. |
