A camera module (200, 780) comprising: a lens unit including one or more lenses (232, 233, 234), wherein a lens of the one or more lenses (232, 233, 234) is movable along a path corresponding to optical axes of the one or more lenses; and a driving unit (240, 250, 260, 270) to move the lens along the path, wherein the driving unit (240, 250, 260, 270) comprises: a magnet physically connected with the lens; a coil (310, 310a) to form a magnetic field such that the magnet moves along the path; and a magnetic substance (330a, 330b, 330c, 330d) configured to produce a magnetic force together with the magnet, whereby the magnetic substance (330a, 330b, 330c, 330d) and the magnet attract each other, wherein the magnetic substance is disposed on one surface of the coil (310, 310a) opposite to another surface of the coil (310, 310a) which is adjacent to the magnet, and wherein the magnetic substance (330a, 330b, 330c, 330d) positions the lens, which is physically connected with the magnet, to a specified position of the path by using magnetic force between the magnet and the magnetic substance (330a, 330b, 330c, 330d), which is formed as the coil (310, 310a) approaches the magnet, CHARACTERISED IN THAT the magnetic substance (330a, 330b, 330c, 330d) is bent and extends in a direction of the path, wherein the path includes a first section (31b, 31c, 31d, 31e) in which the magnet is positioned closest to the coil (310, 310a) and a second section (32b, 32c, 32d, 32e) in which the magnet is moved away from the coil (310, 310a), and wherein an intensity of magnetic force acting between the magnet and the magnetic substance (330a, 330b, 330c, 330d) in the second section (32b, 32c, 32d, 32e) is less than an intensity of a magnetic force acting between the magnet and the magnetic substance (330a, 330b, 330c, 330d) in the first section (31b, 31c, 31d, 31e). a lens unit including one or more lenses (232, 233, 234), wherein a lens of the one or more lenses (232, 233, 234) is movable along a path corresponding to optical axes of the one or more lenses; and a driving unit (240, 250, 260, 270) to move the lens along the path, wherein the driving unit (240, 250, 260, 270) comprises: a magnet physically connected with the lens; a coil (310, 310a) to form a magnetic field such that the magnet moves along the path; and a magnetic substance (330a, 330b, 330c, 330d) configured to produce a magnetic force together with the magnet, whereby the magnetic substance (330a, 330b, 330c, 330d) and the magnet attract each other, wherein the magnetic substance is disposed on one surface of the coil (310, 310a) opposite to another surface of the coil (310, 310a) which is adjacent to the magnet, and wherein the magnetic substance (330a, 330b, 330c, 330d) positions the lens, which is physically connected with the magnet, to a specified position of the path by using magnetic force between the magnet and the magnetic substance (330a, 330b, 330c, 330d), which is formed as the coil (310, 310a) approaches the magnet, CHARACTERISED IN THAT the magnetic substance (330a, 330b, 330c, 330d) is bent and extends in a direction of the path, wherein the path includes a first section (31b, 31c, 31d, 31e) in which the magnet is positioned closest to the coil (310, 310a) and a second section (32b, 32c, 32d, 32e) in which the magnet is moved away from the coil (310, 310a), and wherein an intensity of magnetic force acting between the magnet and the magnetic substance (330a, 330b, 330c, 330d) in the second section (32b, 32c, 32d, 32e) is less than an intensity of a magnetic force acting between the magnet and the magnetic substance (330a, 330b, 330c, 330d) in the first section (31b, 31c, 31d, 31e). a magnet physically connected with the lens; a coil (310, 310a) to form a magnetic field such that the magnet moves along the path; and a magnetic substance (330a, 330b, 330c, 330d) configured to produce a magnetic force together with the magnet, whereby the magnetic substance (330a, 330b, 330c, 330d) and the magnet attract each other, wherein the magnetic substance is disposed on one surface of the coil (310, 310a) opposite to another surface of the coil (310, 310a) which is adjacent to the magnet, and wherein the magnetic substance (330a, 330b, 330c, 330d) positions the lens, which is physically connected with the magnet, to a specified position of the path by using magnetic force between the magnet and the magnetic substance (330a, 330b, 330c, 330d), which is formed as the coil (310, 310a) approaches the magnet, CHARACTERISED IN THAT the magnetic substance (330a, 330b, 330c, 330d) is bent and extends in a direction of the path, wherein the path includes a first section (31b, 31c, 31d, 31e) in which the magnet is positioned closest to the coil (310, 310a) and a second section (32b, 32c, 32d, 32e) in which the magnet is moved away from the coil (310, 310a), and wherein an intensity of magnetic force acting between the magnet and the magnetic substance (330a, 330b, 330c, 330d) in the second section (32b, 32c, 32d, 32e) is less than an intensity of a magnetic force acting between the magnet and the magnetic substance (330a, 330b, 330c, 330d) in the first section (31b, 31c, 31d, 31e).