Flash controller of a camera

摘要

A flash controller of a camera system includes a camera body and an interchangeable lens which is detachably attached to the camera body, the camera body including a built-in flash, the interchangeable lens being of a type which can have data communication with the camera body to output lens data on the interchangeable lens to the camera body. The flash controller includes a memory which is provided in the camera body in which data on the built-in flash are pre-stored; and a calculating device, provided in the camera body, for judging whether flashlight emitted from the built-in flash will be interrupted by a periphery of the interchangeable lens in accordance with the lens data input from the interchangeable lens and flash data input from the built-in flash.