| 摘要 |
A lens barrel and an imaging apparatus are provided that can definitely detect the positions of a plurality of lens groups, do not require high accuracy components, has a high reliability, and is inexpensive. In a lens barrel provided with imaging optical systems with two or more lens groups and driving devices that independently drive the respective lens groups, a lens barrel constituted so that it has a detected member that is attached to one of the lens groups among said lens groups, and said lens group to which said member to be detected is attached moves in conjunction with the drive of the lens group to which said member to be detected is not attached.
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