Patent ID: 7539410

Claim:
A camera system comprising: a lens assembly comprising an image taking optical system through which a subject light image passes, a storage section that stores screen menu information relating to properties of the lens assembly for display on an input screen, a screen menu transmission section that transmits the screen menu information stored in the storage section, an information receiving section that receives information that indicates a selected item from a screen menu displayed on the input screen, and a function execution section that executes a predetermined function in accordance with the information received by the information receiving section; and a camera body comprising a connection section on which the lens assembly is detachably mounted, an image processing section that obtains image data representative of the subject light image formed through the image taking optical system of the lens assembly and performs a predetermined image processing in accordance with the image data, a screen menu information receiving section that receives screen menu information from the lens assembly, a display input section that displays the screen menu information received from the lens assembly on an input screen and enables selection of a menu item from the screen menu displayed on the input screen, and an information transmitting section that transmits to the lens assembly information indicating the selected menu item.