公开(公告)号：US20210181458A1

公开(公告)日：2021-06-17

申请号：US17256471

申请日：2019-06-04

申请人： NIKON CORPORATION ,  TOCHIGI NIKON CORPORATION

发明人： Kunihiko SHIMIZU ,  Satoshi WAIZUMI ,  Takehiro KOIZUMI

IPC分类号： G02B7/10 ,  G03B17/14 ,  G02B7/02 ,  G02B15/14

摘要： A lens barrel capable of increasing the moving range of a lens includes: a lens retainer frame for holding a lens; a drive unit for driving the lens retainer frame along the optical axis direction; a first cylinder that holds the drive unit and has a cam follower; a second cylinder that has a cam groove for engaging the cam follower; and a bias part for biasing the first cylinder along the optical axis.