发明名称 Lens apparatus and image-taking system
摘要 A lens apparatus is disclosed, in which an in-focus state obtained by a manual focus can be adjusted by the assistance of an automatic focus with good response. The lens apparatus comprises a lens system which includes, in order from an object side, a first focusing lens for manual focus, a magnification-varying lens, and a second focusing lens for automatic focus; a first operating member for the automatic focus; an actuator which drives the second focusing lens; and a controller. The controller performs the automatic focus control in accordance with an operation of the first operating member, in a state in which the position of the first focusing lens at the time of the operation of the first operating member is maintained.
申请公布号 US2005151875(A1) 申请公布日期 2005.07.14
申请号 US20050028916 申请日期 2005.01.03
申请人 IDEMURA TAKESHI 发明人 IDEMURA TAKESHI
分类号 G02B7/10;(IPC1-7):H04N5/225 主分类号 G02B7/10
代理机构 代理人
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