| 摘要 |
In a camera system comprising a camera body and an optical accessory which can be detachably coupled with each other through their mounts by rotating around an optical axis, mutually corresponding groups of electric connection terminals including power-supply and power-supply receiving terminals are aligned around the optical axis on the camera body and the optical accessory and arranged to come into contact with each other when the two mounts are coupled, a protruding part is formed close to the connection terminals of the camera body to protrude further than them in their contacting direction; and a cutout part is formed close to the electric connection terminals of the optical accessory in their contacting direction in a position corresponding to the protruding part of the camera body when the two mounts are coupled with each other.
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