An embodiment comprises: a housing supporting a first coil; a bobbin supporting a magnet, the bobbin being moved inside the housing in a first direction, which is parallel with an optical axis, by an electromagnetic interaction between the magnet and the first coil; an elastic member coupled to the bobbin and to the housing; a first circuit board electrically connected to the elastic member; a second circuit board arranged below the housing; a second coil arranged on the second circuit board; and a support member electrically connecting the first circuit board and the second circuit board or electrically connecting the elastic member and the second circuit board.