Optical device (1) comprising: - an optical element (21) configured to interact with a
light beam (L) when the
light beam hits the optical element (21), - a supporting structure (3) configured to support the optical element (21), - at least one elastic element (600, 90) connected to the supporting structure (3) and the optical element (21) such that the optical element (21) is movable with respect to the supporting structure (3), - an
actuator (5) configured to move the optical element (21) by means of a
Lorentz force, wherein the
actuator (5) comprises a first coil (60) and a second coil (61), each coil comprising several turns, the turns of the respective coil (60, 61) extending around a winding axis (W) of the respective coil (60, 61), the coils (60, 61) being integrated into the supporting structure (3), and wherein the
actuator (5) comprises a first
magnet (70) facing the first coil (60) and a second
magnet (71) facing the second coil (61), the first and second magnets (70, 71) being connected to the optical element (21), and wherein the magnets (70, 71) each have a
magnetization (M1, M2) perpendicular to the winding axes (W) of the coils (60, 61) extending plane at an angle (α) between 80° and 100°, wherein the supporting structure is a supporting frame (3),which is configured to support the optical element (21), wherein the support structure (3) surrounds an opening (31) of the support structure (3) extending from a front (3a) of the support structure (3) to a rear (3b) of the support structure (3) so that light can pass through the support structure (3), wherein the at least one elastic element is a first spring structure (600) connected to the front (3a) of the support frame (3), wherein the first spring structure (600) comprises a first frame (607) to which the optical element (21) is connected, wherein the first frame is tiltable about a first axis (A) with respect to the support frame (3), and wherein the actuator is configured to tilt the optical element about the first axis (A), wherein the support frame (3) comprises a first arm (350) opposite a second arm (351) of the support frame (3), and wherein the first arm (350) and the second arm (351) by a third and a fourth arm (352,353) of the support frame (3), and wherein the optical element is a transparent plate (21) for refracting a light
ray (L) when the light
ray passes through the plate (21).