Patent ID: 8427544

Claim:
A control apparatus configured to be connected to at least one image capturing apparatus by wireless communication, the control apparatus comprising: a detection unit configured to detect an operation that is made by a user; a transmission unit configured to transmit, by multicast or broadcast via the wireless communication, a command for instructing to start a prescribed operation to each image capturing apparatus that is connected to the control apparatus, in response to the detection unit detecting an operation for instructing to start the prescribed operation, and to transmit, by unicast via the wireless communication, a command for instructing to end the prescribed operation to each image capturing apparatus, in response to the detection unit detecting an operation for instructing to end the prescribed operation; and a control unit configured to confirm a response from each image capturing apparatus to transmission of the command for instructing to end the prescribed operation, and to cause the transmission unit to retransmit, by unicast, a command for instructing to end the prescribed operation to each image capturing apparatus whose response is not confirmed.