| 摘要 |
In an interchangeable lens assembly video camera system including an interchangeable lens assembly and a camera, a filter of an AF signal processing circuit ( 113 ) of the camera extracts a focus evaluation value signal from an image sensing signal corresponding to one or a plurality of focus detection areas in an image sensing surface, and on the basis of the transmitted focus evaluation value signal from the camera and data stored in a ROM ( 120 ), the microcomputer ( 116 ) performs a zooming operation of a zoom lens ( 102 ) while maintaining an in-focus state of a focus lens ( 105 ).
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