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Multimode cameras
| Details |
Inventors: Nakajima, Yukio; Hara, Minoru;
Assignee: Olympus Optical Co., Ltd. (JP)
Primary Examiner: Hix; L. T.
Assistant Examiner: Gray; David M.
Attorney, Agent or Firm: Weinstein; Louis
A multimode camera comprises means for independently setting an aperture and a shutter speed to their optional values, means for selectively setting an AV-TV characteristic line in accordance with the aperture and shutter speed which have been set by the independently setting means, means for storing the AV-TV characteristic line which have been selected by the selectively setting means in accordance with a lens identification number of a lens barrel mounted on the camera, and means for unequivocally reading out the AV-TV characteristic line which have been stored in the storing means in accordance with the lens identification number of the lens barrel when a power source is turned on and/or the lens barrel is mounted on a camera body. |
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DETAILED DESCRIPTION It is an object of the present invention, in view of the foregoing, to provide a multimode camera which is capable of simply selecting a photographing mode and a characteristic line of AV-TV from the photographing modes and characteristic lines of AV-TV which have been optionally established on the camera side, in accordance with a photographer's intention, whenever a lens barrel is mounted on the camera.
According to the present invention, a multimode camera comprises means for independently setting a diaphragm aperture and a shutter speed to their optional values, means for selectively setting an AV-TV characteristic line in accordance with the aperture and the shutter speed which have been set by the independently setting means, means for storing the AV-TV characteristic line selectively set by the selectively setting means in correspondence with a lens identification number of a lens barrel mounted on the camera, and means for unequivocally reading out the AV-TV characteristic line stored in the storing means in accordance with the lens identification number of the lens barrel when a power source is turned and/or the lens barrel is mounted on the camera.
In a multimode camera according to the present invention, when a lens barrel is mounted on the camera and/or a power source is turned on, a photographing mode and an AV-TV characteristic line which have been preset by a photographer are selectively read from a storing means in accordance with an identification number of the lens barrel.
According to the present invention, since a photographer can select a photographing mode, aperture, shutter speed and the like which are most desirable in accordance with photographing conditions when a lens barrel is mounted and/or a power source is turned on, it is possible to simply and freely take an intended picture.
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