| 摘要 |
A lens drive apparatus is disclosed which is capable of optionally restricting the range of manual operations without reducing operability and usability of a lens apparatus. The apparatus includes an electric driving switch for instructing electric drive of an operation member, a clutch provided in a power transmission path from a motor to the operation member, a position detector detecting the position of the operation member, a range setter setting a permissible movement range of the operation member, and a controller. When the detected position by the position detector changes from the inside of the permissible movement range to the outside thereof in a non-motor-driven state, the controller controls the clutch so that a load on the movement of the operation member is increased in comparison with a case where the detected position is within the permissible movement range.
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