Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
April 6, 2010
Patent Application Number
11297072
Date Filed
December 8, 2005
Patent Primary Examiner
Patent abstract
In the case of a camera system capable of exchanging lenses, a camera can realize a preferable automatic focus adjustment performance even if an exchangeable lens, its lens state, different combination between lens and camera or image pickup state is changed by changing a frequency to be extracted by focus detection means in accordance with the identification information on the exchangeable lens.
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