CPC G02B 27/646 (2013.01) [G02B 7/02 (2013.01); G03B 5/00 (2013.01); G03B 30/00 (2021.01); G03B 2205/0007 (2013.01)] | 20 Claims |
1. A camera module comprising:
a lens module;
a first frame accommodating the lens module;
a second frame accommodating the first frame;
a housing accommodating the second frame; and
a first driving portion disposed between the first frame and the second frame,
wherein the lens module and the first frame are configured to be rotatable about a first axis, with respect to the second frame, perpendicular to an optical axis,
the lens module, the first frame, and the second frame are configured to be rotatable about a second axis, with respect to the housing, perpendicular to both the optical axis and the first axis,
a first ball member is disposed between the first frame and the second frame and elastically supported in a direction of the first axis,
a second ball member is disposed between the second frame and the housing and elastically supported in a direction of the second axis,
the first driving portion comprises two first magnets, disposed on the first frame, and two first coils and a first position measurement unit disposed to face the first magnets,
each of the first magnets has an internal side surface, facing the first axis, and an external side surface opposing the internal side surface, and
the internal side surface and the external side surface of each of the first magnets are rounded such that a first inscribed circle, in contact with the internal side surface of each of the first magnets, and a first circumscribed circle, in contact with the external side surface of each of the first magnets, are concentric circles.
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