Lens driving apparatus

Details Lens driving apparatus Lens driving apparatus

G - Physics

02

B

88/100

G02B 7/10 (2006.01) G02B 7/08 (2006.01)

Patent

CA 1312758

7217/27460 ABSTRACT OF THE DISCLOSURE A lens moving apparatus for use with a power zoom lens unit that enables a macro operation and offers reduced lens unit size has a single cam groove in a cam disk that is driven to rotate in a plane parallel to an optical axis. A compensator lens holding member is moved parallel to the optical axis directly by the cam groove and an upraised pin is provided on the cam disk for engagement with a cam groove formed in the holding member for a variator lens, so that the variator lens is also moved parallel to the optical axis by the driving disk. The cam groove on the variator lens holding member is formed to permit movement of the compensator lens independently of the variator lens.

566619

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