An imaging device according to the present invention is provided with: a movable frame that holds an optical element and is movable along a prescribed direction a holding frame that holds the movable frame so as to be movable along the prescribed direction a voice coil motor that has a coil and a magnet a position detection unit that detects information relating to the position of the movable frame relative to the holding frame and generates a position signal a signal processing unit that, on the basis of the position signal, generates a drive signal relating to the amount of movement and direction of movement of the movable frame relative to the holding frame, and judges whether or not the position signal is normal an imaging element an image processing unit that generates an image signal on the basis of an imaging signal a first drive control unit that, on the basis of the drive signal, controls a current flowing in the coil and drives the movable frame a second drive control unit that, on the basis of the image signal, controls a current flowing in the coil and drives the movable frame and a selection unit that, on the basis of the judgment result of the signal processing unit, selects, from among the first and second drive control units, a drive control unit to control driving of the movable frame.Linvention concerne un dispositif dimagerie qui comprend : une structure mobile qui porte un élément optique et peut se déplacer le long dune direction prescrite une structure de support qui supporte la structure mobile afin quelle soit mobile dans la direction prescrite un moteur à bobine acoustique qui comprend une bobine et un aimant une unité de détection de position qui détecte des informations relatives à la position de la structure mobile par rapport à la structure de support et génère un signal de position une unité de traitement de signal qui, sur la base du signal de position, génère un signal de commande relatif à la quantité de mouvement et à la directi
