Single lens reflex camera

Details Single lens reflex camera Single lens reflex camera

1990-07-02

1991-07-09

Nix, L. T.

354286, G03B 310, G03B 1714

Patent

active

050309820

ABSTRACT:
A single lens reflex camera having a camera body, an interchangeable lens which is detachably mounted to the camera body, a focus adjusting mechanism provided in the interchangeable lens, a drive unit which is provided in the camera body to drive the focus adjusting mechanism in the interchangeable lens, and electrical contacts which are provided on the drive unit to transmit and receive electrical signals and/or the electrical power between the camera body and the interchangeable lens.

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patent: 4603955 (1986-08-01), Haneishi
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patent: 4841322 (1989-06-01), Kawasaki et al.
patent: 4860043 (1989-08-01), Kurei et al.

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