发明名称 |
Lens barrel |
摘要 |
A lens barrel includes a barrel body, an optical system disposed inside the barrel body, a zoom motor, a focus motor, a zoom lever switch disposed on the outer circumference of the barrel body and configured to transmit a user's operation instruction to the zoom motor, and a focus lever switch disposed on the outer circumference of the barrel body and configured to transmit a user's operation instruction to the focus motor. The zoom lever switch and the focus lever switch are arranged in a region formed of first and fourth quadrants of the lens barrel. |
申请公布号 |
US9442270(B2) |
申请公布日期 |
2016.09.13 |
申请号 |
US201414187576 |
申请日期 |
2014.02.24 |
申请人 |
Panasonic Intellectual Property Management Co., Ltd. |
发明人 |
Araki Yoshiharu;Nakamura Makoto;Kaneshiro Tetsuya |
分类号 |
G02B21/22;G02B7/10;G02B15/14;G03B5/00;G03B17/14 |
主分类号 |
G02B21/22 |
代理机构 |
Renner, Otto, Boisselle & Sklar, LLP |
代理人 |
Renner, Otto, Boisselle & Sklar, LLP |
主权项 |
1. A lens barrel which is attachable to a camera body, comprising:
an outer frame; an optical system disposed inside the outer frame; a zoom operation section disposed on an outer circumference of the outer frame, the zoom operation section being operable by a user to adjust a magnification of the optical system; a focus operation section disposed on the outer circumference of the outer frame, the focus operation section being operable by the user to adjust a focus of the optical system; an electric zoom adjustment mechanism configured to adjust the magnification of the optical system in response to an output from the zoom operation section; and an electric focus adjustment mechanism configured to adjust the focus of the optical system in response to an output from the focus operation section, wherein in a state in which the lens barrel is attached to the camera body, the zoom operation section and the focus operation section are arranged in a region formed of a first quadrant and a fourth quadrant of the lens barrel when the lens barrel attached to the camera body in a horizontal attitude is viewed from a side close to an object in an optical axis direction, and wherein the zoom operation section and the focus operation section are arranged on a single circle about an optical axis. |
地址 |
Osaka JP |