| 摘要 |
The present invention provides a lens drive device including a base member arranged inside a lens barrel, a lens frame holding a lens and provided to be movable with respect to the base member in an optical axis direction of the lens, a voice coil motor for moving the lens frame, and a position detection unit for detecting a position of the lens frame. The position detection unit includes a reflection portion provided to one of the base and the lens frame and including a reflection surface inclined with respect to the optical axis of the lens, and a photoreflector provided to the other of the base member and the lens frame and including a light projecting portion applying light to the reflection surface and a light receiving portion receiving light reflected on a reflection flat surface.
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