To provide a digital camera having release buttons for each photographer so as to manage image data easily by using information on each release button, so that the users do not need cumbersome works for managing the photographed images that would require the user to identify the photographer depending on the photographed date and images if image data of a plurality of users were stored in single digital camera when sharing a digital camera with two or more users.

A digital cameras includes a release button that stores unique identification information, which is detachable and can be exchanged so that a photographer can be identified by using the unique identification information on the release button.