An image pick-up device includes a camera body; a lens barrel mounted to the camera body; a pop-up type flash device that is retracted in the camera body when not in use and projected from the camera body when in use; and a structure including a gripping surface provided by one side surface of the camera body and an open portion provided in a given surface that extends between a front end of the gripping surface and a front part of the lens barrel. The flash device is retracted in the camera body through the open portion when not in use and projected sideward to the outside of the camera body through the open portion when in use.