| 摘要 |
A lens assembly includes an exposure control unit having an exposure control member; a lens drive unit including a lens drive mechanism which moves a photographing lens group in an optical axis direction; center apertures which are formed in the exposure control unit and the lens drive unit, respectively, at the center portions thereof, which define a lens movement opening when the exposure control unit and the lens drive unit are connected to each other; and a lens support frame which supports the photographing lens group, the lens support frame being provided in the lens movement openings so as to move in the optical axis direction and driven via the lens drive mechanism.
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