Title:
INTERCHANGEABLE LENS AND METHOD FOR STOPPING MOVABLE MEMBER
Document Type and Number:
WIPO Patent Application WO/2020/017398
Kind Code:
A1
Abstract:
This interchangeable lens, which can be attached to and detached from a camera body, is provided with: a movable member which moves inside of the interchangeable lens; a receiving unit which, from the camera body, receives an instruction related to stopping movement of the movable member and a body-internal clock value based on a body-internal clock unit which is provided in the camera body and which counts a prescribed period; a lens-internal clock unit which counts a prescribed period of the same length as the aforementioned prescribed period and can output the lens-internal clock value, and which adjusts the lens-internal clock value on the basis of the body-internal clock value received by the receiving unit; and a control unit which controls stopping movement of the movable member on the basis of the adjusted lens-internal clock value and the aforementioned instruction.
Inventors:
KAWAI AKIHIKO (JP)
Application Number:
PCT/JP2019/027185
Publication Date:
January 23, 2020
Filing Date:
July 09, 2019
Export Citation:
Assignee:
NIKON CORP (JP)
International Classes:
G02B7/04; G03B17/14; G02B7/14; G03B7/20; G03B17/02; H04N5/232
Foreign References:
| JP2011248138A | 2011-12-08 | |||
| JP2012154967A | 2012-08-16 | |||
| JP2015087418A | 2015-05-07 |
Attorney, Agent or Firm:
NAGAI, Fuyuki et al. (JP)
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