An image-taking apparatus includes an image-taking system for obtaining an image of a subject, the image-taking system including a lens and an image pickup device, a battery loading part, into which a battery is loaded, the battery loading part being arranged in a place not to overlap said image-taking system in a direction of a thickness of said image-taking apparatus, a first substrate having a digital circuit, and a second substrate having an analog circuit, wherein the first and second substrates are arranged at both sides of the battery loading part in said direction of a thickness.