Abstract: An accessory is an accessary controlled by a camera. The accessory includes an information holding section that holds predetermined information by which the camera determines whether or not the accessary requests a supply of power consumed in the accessory to the camera.

Abstract: An accessory controlled by a camera, includes: a storage section that stores information regarding an accessory function of the accessory; and an accessory control section that transmits the information stored in the storage section to the camera, wherein the storage section stores first information by which the camera determines whether the accessory has an extended function and second information indicating characteristics of the accessory function, and the accessory control section transmits the first information, and then transmits the second information.

Abstract: An accessory is supplied with power from a camera, and includes an accessory control section that controls a process executed in the accessory in accordance with an image capture mode of the camera.

Abstract: An accessory is an accessory supplied with power from a camera. The accessory includes an accumulation section that accumulates power, a receiving section that receives a control command, for instructing a charging operation on the accumulation section, from the camera, a charging section that charges the accumulation section with the power supplied from the camera in accordance with the control command, and an accessory control section that outputs, to the camera, a charging request that requests to output the control command from the camera.

Abstract: An accessory is an accessary controlled by a camera. The accessory includes an information holding section that holds predetermined information by which the camera determines whether or not the accessary requests a supply of power consumed in the accessory to the camera.

Abstract: An accessory controlled by a camera, includes: a storage section that stores information regarding an accessory function of the accessory; and an accessory control section that transmits the information stored in the storage section to the camera, wherein the storage section stores first information by which the camera determines whether the accessory has an extended function and second information indicating characteristics of the accessory function, and the accessory control section transmits the first information, and then transmits the second information.