A lens driving device according to an embodiment comprises: a first housing within which a lens assembly is arranged and in which a magnet is disposed; and a second housing in which a coil is disposed and which is arranged to surround the first housing, wherein the magnet comprises a plurality of magnet sections for moving the lens assembly about different rotation axes, and the plurality of magnet sections are arranged in the first housing to be spaced the same distance apart from the center of the rotation axis of the lens assembly.