| 摘要 |
A video camera system having a camera ( 128 ) and an interchangeable lens assembly ( 127 ) attachable to and detachable from the camera. A distance measurement frame is set by a distance measurement frame controller ( 129 ) on photographer's line-of-sight position information detected by line-of-sight detecting units ( 135 to 140 ), and a focal-point evaluation value is extracted by an AF signal processing circuit ( 113 ) from an image signal corresponding to the distance measurement frame. The line-of-sight position information, focal-length evaluation value, etc, are transmitted to the lens assembly ( 127 ). A zoom lens ( 102 ) and focusing lens ( 105 ) are controlled by the lens assembly ( 127 ).
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