| 摘要 |
Lens barrel or an optical apparatus with a lens barrel comprising: a lens unit having an optical axis and forming an optical image, the lens unit having a fixed lens component and a movable lens component; and a lens housing for containing the lens unit, the lens housing having a first housing and a second housing divided in a direction along the optical axis; wherein: the first housing has a lens-holding portion for holding the fixed lens component; and the second housing has a pickup-device holding portion for holding an image pickup device for taking the optical image obtained by the lens unit.
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