Invention Grant
US08437094B2 Lens barrel with optical filter and optical apparatus having the same
有权
具有滤光镜的镜筒和具有相同的光学装置
- Patent Title: Lens barrel with optical filter and optical apparatus having the same
- Patent Title (中): 具有滤光镜的镜筒和具有相同的光学装置
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Application No.: US13268207Application Date: 2011-10-07
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Publication No.: US08437094B2Publication Date: 2013-05-07
- Inventor: Takuji Umezu
- Applicant: Takuji Umezu
- Applicant Address: JP
- Assignee: Canon Kabushiki Kaisha
- Current Assignee: Canon Kabushiki Kaisha
- Current Assignee Address: JP
- Agency: Rossi, Kimms & McDowell LLP
- Priority: JP2010-240900 20101027
- Main IPC: G02B7/02
- IPC: G02B7/02

Abstract:
A lens barrel includes a lens holding member that holds a lens, a positioning guide bar, a rotation blocking guide bar, an optical filter holding member that holds an optical filter, an optical filter supporting member that is disposed at a side of the lens holding member with reference to the optical filter holding member and that supports the optical filter holding member, and an image pickup element holding member that is disposed at a side of an image pickup element with reference to the optical filter holding member and that has a positioning guide bar holding portion that holds the positioning guide bar. The optical filter supporting member includes a rotation blocking guide bar holding portion that holds the rotation blocking guide bar, and the rotation blocking guide bar holding portion is positioned in an insertion and removal range of the optical filter holding member.
Public/Granted literature
- US20120105984A1 LENS BARREL WITH OPTICAL FILTER AND OPTICAL APPARATUS HAVING THE SAME Public/Granted day:2012-05-03
Information query
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 |