An image pickup apparatus having a flash unit locating at a storing position or a projecting position, in which either an automatic mode to automatically move the flash unit from the storing position to the projecting position or a manual mode to manually execute the operation can be set. The apparatus...http://www.google.se/patents/US7606481?utm_source=gb-gplus-sharePatent US7606481 - Image pickup apparatus and flash unit and method of controlling the same