Patent ID: 8391703

Claim:
A lens unit for detachable connection via a communication interface with a camera body having a strobe, comprising: an optical system including a lens; an imaging unit including an image sensor which photo-electrically converts light from a subject having transmitted through the lens; an image processor which generates image data from an output of the imaging unit; a strobe controller which controls a flash operation of the strobe provided in the camera body in accordance with a release signal from the camera body; and a storage medium in which operation control data for controlling the flash operation of the strobe is stored, the operation control data including data indicating a flash condition, wherein the strobe controller comprises: a data reader which reads the operation control data from the storage medium; a calculator which calculates a flash output from the read operation control data; and a flash signal transmitter which transmits flash information to the camera body based on the flash output which has been calculated.