Patent ID: 11953672
Assignee: OLYMPUS CORPORATION
Field: Optics (Instruments)
Classification: CPC G  A  H | IPC G

Claim 14:
15. An optical unit comprising:
a first barrel that holds a lens;
a second barrel that involves the first barrel such that the first barrel is movable along an optical axis of the lens;
a third barrel that involves at least a part of the second barrel;
a magnet fixed to the first barrel;
a coil fixed to the second barrel and configured to generate a magnetic field for moving the first barrel by interacting with a magnetic field generated by the magnet; and
a position detection unit including a magnetic sensor configured to detect the magnetic field generated by the magnet and to generate a detection signal having a corresponding relation with a position of the first barrel, wherein
the third barrel includes a position defining surface parallel to a moving direction of the first barrel,
the position detection unit further includes a fixed portion,
the fixed portion is fixed to the position defining surface with an adhesive,
the magnetic sensor is not in contact with any part of the adhesive, and
the adhesive is not interposed between the position defining surface and the magnetic sensor.