Patent ID: 8736753

Claim:
A camera body comprising: a recess to which an image pickup unit is detachably attached to be placed therein, wherein the image pickup unit includes an optical system configured to guide light incoming from a subject, an image pickup device configured to convert a subject image guided by the optical system into an electrical signal, an image-pickup-unit connector section configured to perform communication with outside, and a housing configured to house the optical system, the image pickup device, and the image-pickup-unit connector section, the recess includes three wall sections; one of the three wall sections being a back wall section facing a rear of the housing of the image pickup unit when the image pickup unit is placed in the recess, another one of the three walls being a side wall section facing a side surface of the housing of the image pickup unit when the image pickup unit is placed in the recess and including a camera-body connector section to be connected to the image-pickup-unit connector section to perform communication, the back wall section is provided with a controlling member, a rear of the image pickup unit is provided with an insertion opening into which the controlling member is configured to be inserted and a controlling member abutting section configured to allow the controlling member to abut thereon, and when the image pickup unit is attached to the recess, the image-pickup-unit connector section and the camera-body connector section are connected to each other when the controlling member is inserted into the insertion opening, and the image-pickup-unit connector section and the camera-body connector section are not connected to each other when the controlling member abuts on the controlling member abutting section.