Title:
MANUAL LENS ADAPTER RING AND METHOD FOR REALIZING AUTOFOCUS OF MANUAL LENS
Document Type and Number:
WIPO Patent Application WO/2017/152510
Kind Code:
A1
Abstract:
A manual lens adapter ring and a method for realizing autofocus of a manual lens. The manual lens adapter ring comprises: a camera connector (20) in a fit connection with a camera (10), a lens connector (30) in a fit connection with a manual lens (60), a driving apparatus (40), and a controller (50) electrically connected to the driving apparatus (40), wherein the controller (50) is also electrically connected to a focus control unit of the camera (10). The controller (50) receives focus information sent by the focus control unit of the camera (10), controls the driving apparatus (40) to drive the lens connector (30) to move along an optical axis direction of a lens to realize autofocus. The manual lens adapter ring enables lenses of different models or brands to be used on different cameras (10), and does not increase the volume of the camera (10).
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Inventors:
LIANG JIANPING (CN)
Application Number:
PCT/CN2016/083665
Publication Date:
September 14, 2017
Filing Date:
May 27, 2016
Export Citation:
Assignee:
LIANG JIANPING (CN)
International Classes:
G03B13/18; G03B13/36
Foreign References:
| KR101361523B1 | 2014-02-12 | |||
| CN101393377A | 2009-03-25 | |||
| CN102799047A | 2012-11-28 | |||
| US4627699A | 1986-12-09 | |||
| CN103581530A | 2014-02-12 | |||
| JP2010026120A | 2010-02-04 |
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (CN)
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