Patent ID: 7990625

Claim:
A camera module, comprising: a zoom lens group; a focus lens group optically aligned with the zoom lens; a barrel, and an actuator group comprising a first actuator and a second actuator, the first and second actuators being received in the barrel, and respectively receiving the zoom lens group and the focus lens group therein, wherein the first actuator comprises a hollow cylindrical main body, two paramagnetic or ferromagnetic end portions arranged at opposite inside edges of the main body, a coil attached around an inner wall of the main body and being substantially parallel to an optical axis of the main body, a magnetic barrel movably received in the coil and accommodating the zoom lens group therein, the paramagnetic or ferromagnetic end portions extend inwardly from the opposite inside edges of the main body, respectively, each of the paramagnetic or ferromagnetic end portions configured for magnetically attracting the magnetic barrel thereto, the zoom lens group is driven by the first actuator to move along the axis thereof, the focus lens group is driven by the second actuator to move along the axis thereof.