Camera system

A camera system including a camera body and a camera accessory attachable to the camera body, comprising:

• first means, provided in the camera body, for controlling operation of the camera body;
• second means, provided in the camera accessory, for controlling operation of the camera accessory;
• first means, provided in the camera body, for actuating the first controlling means in accordance with a manual operation so as to initiate the operation of the camera body;
• second means, provided in the camera accessory, for actuating the second controlling means in accordance with another manual operation so as to initiate the operation of the camera accessory;
• means, provided in the camera body, for generating a first actuating signal and sending said first actuating signal to the camera accessory in response to the actuation of the first controlling means in order to actuate the second controlling means thereby initiating the operation of the camera accessory simultaneously with the operation of the camera body when the first controlling means is actuated by the first actuating means;
• and
• means, provided in the camera accessory, for generating a second actuating signal and sending said second actuating signal to the camera body in response to the actuation of the second controlling means in order to actuate the first controlling means thereby initiating the operation of the camera body simultaneously with that of the camera accessory when the second controlling means is actuated by the second actuating means.