Interchangeable lens

Details Interchangeable lens Interchangeable lens

1989-03-29

1990-06-19

Gellner, Michael L.

G03B 720

Patent

active

049357603

ABSTRACT:
An intermediate accessory, such as a rear converter, a bellows, and an intermediate ring or the like, can be mounted between an interchangeable lens and a camera body. Information relating to the vignetting amount which takes place in the interchangeable lens is divided in two parts, and the respective parts are kept in the interchangeable lens and in the intermediate accessory, respectively.

REFERENCES:
patent: 4326788 (1982-04-01), Ohmori
patent: 4329040 (1982-05-01), Fukino et al.
patent: 4572638 (1986-02-01), Nakai et al.
patent: 4733258 (1988-03-01), Kojima

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