An electronic camera for storing in a storage medium digital data corresponding to an object image. The camera is arranged to image an object, to form a plurality of categories of digital data respectively corresponding to the object, to successively output the categories of digital data formed, to encode at least two of the categories of digital data successively output, and to store the encoded digital data in the storage medium. The electronic camera is thus designed to be reduced in size, weight and cost, and to store a large amount of digital data in the storage medium.