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Patent Searching and Data


Title:
INTERCHANGEABLE LENS
Document Type and Number:
Japanese Patent JP2012168329
Kind Code:
A
Abstract:

To make an imaging apparatus perform an appropriate operation according to the insertion and removal state of an optical element in the case that an interchangeable lens having the optical element structured to allow insertion to and withdrawal from an optical axis of a photographic optical system is constituted to be attachable to and detachable from the imaging apparatus in which such an interchangeable lens is not assumed.

If a camera body 115 is not constituted such that imaging operation is changed to be suitable for the constitution of a photographic optical system after changed when the constitution of the photographic optical system is changed in the state that an interchangeable lens 101 is attached to the camera body, the interchangeable lens capable of changing the constitution of the photographic optical system in the state that the interchangeable lens is attached to the camera body has a lens CPU 102 which transmits a signal for making the camera body acquire optical characteristics of the photographic optical system after the change to the camera body.


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Inventors:
Okada, Koji
Application Number:
JP2011000028856
Publication Date:
September 06, 2012
Filing Date:
February 14, 2011
Export Citation:
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Assignee:
CANON INC
International Classes:
G03B17/14; G02B7/02; G03B5/00; H04N5/225
Domestic Patent References:
JP2008294546A2008-12-04
JP2008278463A2008-11-13
JP2008294546A2008-12-04
JP2008278463A2008-11-13
Attorney, Agent or Firm:
藤元 亮輔
水本 敦也
平山 倫也