Imaging apparatus having a lens device for a zooming control operation and the method of using the same

• Main Author: KYUMA KENJI
• Format: Patent
• Language: English
• Published: 25.03.2008
• Subjects: ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; PICTORIAL COMMUNICATION, e.g. TELEVISION

An object of the present invention is to suitably perform a zooming control operation in the case that a zoom ring is provided at a lens-side portion and zoom switches are provided at a camera-body-side portion of a lens-interchangeable video camera. To achieve this object, in the case that no zoom lens stop request is provided from the camera-body-side portion, it is judged from information sent from the camera-body-side portion which of a tele direction and a wide direction the moving direction of the zoom lens group is. Moreover, when the zoom angle is not placed at a tele end or at a wide end, lenses are driven by calculating data for driving the lenses. Thereafter, tele information is set or cleared according to whether the zoom lens group is placed at the tele end, Subsequently, zoom-ring operating information is detected. The detected zoom-ring operating information is sent to the camera-body-side portion. Then, the zoom lens group is controlled by generating zooming control information at the camera-body-side portion according to the zoom-ring operating information and zoom-switch operating information.