发明授权
- 专利标题: Lens barrel
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申请号: US16374849申请日: 2019-04-04
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公开(公告)号: US10914964B2公开(公告)日: 2021-02-09
- 发明人: Hirofumi Yagi
- 申请人: KOWA COMPANY, LTD.
- 申请人地址: JP Aichi
- 专利权人: KOWA COMPANY, LTD.
- 当前专利权人: KOWA COMPANY, LTD.
- 当前专利权人地址: JP Aichi
- 代理机构: Duane Morris LLP
- 优先权: JP2014-118453 20140609
- 主分类号: G02B7/02
- IPC分类号: G02B7/02 ; G02B27/64 ; G03B9/02 ; G03B15/00 ; G03B17/14 ; H04N5/225 ; H04N5/232
摘要:
A lens barrel detachably attached to a camera body includes a fixed tube section that has a base end installed at the camera body, and a top end, a first pitch screw section being formed on an inner peripheral surface of the top end; a movable tube section that is a tube member configured to hold a plurality of lens and has a second pitch screw section on the movable tube side formed at an outer peripheral surface, and is located so as to be movable inside the fixed tube section in such a state that the second pitch screw section is threadedly engaged with the first pitch screw section, the plurality of lens including two group of lenses, a first group and a second group, held within the movable tube section. The movable tube section having a fixed diaphragm plate that is detachable.
公开/授权文献
- US20190258075A1 LENS BARREL 公开/授权日:2019-08-22
信息查询
IPC分类:
G | 物理 |
G02 | 光学 |
G02B | 光学元件、系统或仪器 |
G02B7/00 | 光学元件的安装、调整装置或不漏光连接 |
G02B7/02 | .用于透镜 |