Camera system

Details Camera system Camera system

1991-04-29

1993-01-26

Gellner, Michael L.

G03B 300

Patent

active

051825910

ABSTRACT:
A camera system for communicating data including focal length data between a micro computer in a camera body and a zoom lens mounted to the camera body, wherein the zoom lens includes a position detecting device which detects divided focal length steps corresponding to optional focal lengths of the zoom lens, a specific focal length outputting device which outputs at least one focal length of the focal length step detected by the position detecting device, and an arithmetic operating device which calculates a focal length for each focal length step in accordance with the data of the position detecting device and the specific focal length outputting device.

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patent: 5038163 (1991-08-01), Hirasawa
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