An imaging apparatus configured to notify an external control device of information in the imaging apparatus, the imaging apparatus includes: a communication circuitry configured to perform data communication with the control device; and the control circuitry configured to control the communication circuitry to transmit notification data to the control device in response to an event indicating that a state in the imaging apparatus changes, wherein the control circuitry is configured to control the communication circuitry, based on a preset thinning interval, to restrict transmission of the notification data to a specific event when the communication circuitry periodically transmits image data to the control device, the specific event occurring at the thinning interval among a plurality of events each occurring in the imaging apparatus, the image data being generated in the imaging apparatus.