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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0154540 (1988-02-05) |
우선권정보 | JP-0229143 (1982-12-23); JP-0228554 (1982-12-29); JP-0006027 (1983-01-17); JP-0019103 (1983-02-08) |
발명자 / 주소 |
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출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 5 인용 특허 : 0 |
In an interchangeable lens including an optical system adjustable for focusing and adapted to be detachably mounted on a camera body which is provided with focus detection means for detecting an amount of defocus of an object image formed by the optical system, and drive means for driving the optica
An interchangeable zoom lens including an optical system adjustable for both focusing and zooming, and adapted to be detachably mounted on the camera body which is provided with focus detection means for detecting an amount of defocus of an object image formed by said optical system, and drive means
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