Lens interchange type single-lens reflex camera system and inter

Details Lens interchange type single-lens reflex camera system and inter Lens interchange type single-lens reflex camera system and inter

1988-02-10

1989-11-14

Gellner, Michael L.

G03B 1714

Patent

active

048810940

ABSTRACT:
A camera system includes a camera body, an interchangeable lens mountable on the camera body and outputting a discrimination signal, and an intermediate barrel mountable between the interchangeable lens and the camera body. The intermediate barrel has memory means storing therein a plurality of information data regarding the optical characteristic, selector means responsive to the discrimination signal to select one of the plurality of information data from among the plurality of information data, and output means for outputting an information signal conforming to the selected one of said plurality of information data to the camera body. The camera body effects a calculation process on the basis of the information signal.

REFERENCES:
patent: 4548488 (1985-10-01), Honda et al.
patent: 4572638 (1986-02-01), Nakai et al.
patent: 4733258 (1988-03-01), Kojima

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