Camera system, lens apparatus and camera

Details Camera system, lens apparatus and camera Camera system, lens apparatus and camera

2008-06-10

2008-06-10

Ometz, David (Department: 2622)

Television

Camera, system and detail

Optics

C348S345000, C348S231990, C348S349000

Reexamination Certificate

active

07385640

ABSTRACT:
A camera system is disclosed, which can obtain an accurate target driving amount when the target driving amount of a focusing lens is calculated while the focusing lens is driven. The camera system has a camera and a lens apparatus which has an image taking optical system including a focusing lens and is mounted on the camera. The camera has a photoelectric conversion element which photoelectrically converts an optical image, a focus information producing section which produces focus information based on the output of the photoelectric conversion element, and a communication unit which transmits timing information of the photoelectric conversion and the focus information to the lens apparatus. The lens apparatus has a memory which stores an optical information changing according to the position of the focusing lens, and a controller which controls the driving of the focusing lens.

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patent: 2002/0109784 (2002-08-01), Suda et al.
patent: 4-10051 (1992-02-01), None
patent: 5-196863 (1993-08-01), None

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