An embodiment of the present disclosure discloses a lens driving device including a first lens group including at least one lens, a first magnet coupled to the first lens group, a first coil disposed at a location corresponding to the first magnet, N sensors that detect a magnetic field of the first magnet, and a driving part that receives outputs of the N sensors and controls a current applied to the first coil, wherein N is a natural number of three or more, the N sensors are connected to have (N-1)/2 serial connections when N is an odd number, and the N sensors are connected to have N/2 serial connections when N is an even number.