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Patent Searching and Data


Title:
交換レンズおよびカメラボディ
Document Type and Number:
Japanese Patent JP5790092
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an interchangeable lens and camera body that contribute to the acquisition of an image subjected to appropriate exposure.SOLUTION: The interchangeable lens detachably attached to the camera body comprises: a diaphragm drive member for changing the size of an aperture diaphragm of a photographic optical system by driving the aperture diaphragm; an information storage part for storing diaphragm error information indicating the difference between the actual value of the aperture diaphragm and a set diaphragm value for the diaphragm drive member; and a diaphragm error information transmitting part for transmitting diaphragm error information, stored in the information storage part, to a camera body. The information storage part stores the diaphragm error information so as to separate offset error information for reproducible difference among differences between the actual value of the aperture diaphragm and the set diaphragm value for the diaphragm drive member and variation error information for non-reproducible difference.

Inventors:
Hidehiko Aoyagi
Application Number:
JP2011079452A
Publication Date:
October 07, 2015
Filing Date:
March 31, 2011
Export Citation:
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Assignee:
NIKON CORPORATION
International Classes:
G03B9/02; G02B7/02; G02B7/08; G03B7/20; G03B17/14; H04N5/225; H04N5/238
Domestic Patent References:
JP2008233746A
JP2000206585A
JP2004129025A
JP2009063702A
JP2006243372A
JP2005077758A
JP2010237514A
JP2008065078A
Attorney, Agent or Firm:
Fuyuki Nagai
Takao Watanabe