Camera system

摘要

A camera system includes a camera body and a camera accessory which may be mounted on the camera body and executes predetermined operations in accordance with instructions from the camera body when the accessory is mounted on the camera body. The camera system comprises circuitry for outputting a control signal to the accessory for bringing the accessory into an operative state prior to a predetermined camera operation, circuitry responsive to the control signal for activating the camera accessory from an inoperative state to an operative state, circuitry for providing a signal to instruct an operation mode to the accessory from the camera body after the accessory has been activated into an operative state, circuitry for executing the operation mode in the accessory in accordance with the operation mode instructing signal, and circuitry for returning the accessory from an operative state to an inoperative state after the execution of the operation mode.