Title:
【発明の名称】カメラ及び該カメラに着脱自在な交換レンズ
Document Type and Number:
Japanese Patent JP3055829
Kind Code:
B2
Abstract:
Disclosed is a camera loaded selectively with either a first film having perforations formed in side edges or a second film having the same width as that of the first film and no perforations formed in side edges. The camera comprises: a picture size changeover device for selectively setting a photographing picture frame to a first picture size corresponding to the first film and a second picture size corresponding to the second film; a first lens installable and removable in and from the camera and having an image circle corresponding to the first picture size; a second lens installable and removable in and from the camera and having an image circle corresponding to the second picture size; and a device for judging which lens, the first lens or the second lens, to install in the camera. When the judging device judges that the first lens is installed in a state where the picture size is set to the second picture size, the picture size is so set as to be forcibly changed over to the first picture size.
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Inventors:
Toshihiko Imai
Kosuke Okubo
Koji Odanaka
Kosuke Okubo
Koji Odanaka
Application Number:
JP26648691A
Publication Date:
June 26, 2000
Filing Date:
October 15, 1991
Export Citation:
Assignee:
Olympus Optical Co., Ltd.
International Classes:
G03B1/50; G03B17/00; G03B17/14; G03B17/28; (IPC1-7): G03B17/28; G03B17/14
Attorney, Agent or Firm:
Susumu Ito