Multiple lens camera having lens-position controlled focal-lengt

Details Multiple lens camera having lens-position controlled focal-lengt Multiple lens camera having lens-position controlled focal-lengt

1976-12-20

1978-06-27

Gonzales, John

G03B 300, G03B 1302

Patent

active

040978826

ABSTRACT:
A carrier mounting two or more different lenses of a camera can be selectively moved transverse to the optical axis of the camera so as to place any one of the lenses in operating position. The carrier can also be adjusted lengthwise of the optical axis to vary the focal length of the lenses. An arrangement is provided for selecting a desired focal length, and a follow-up system adjusts the distance through which the carrier is moved lengthwise in dependence upon which of the lenses is in operating position.

REFERENCES:
patent: 2832274 (1958-04-01), Lorenz
patent: 3882520 (1975-05-01), Kamp et al.
patent: 4038671 (1977-07-01), Schroder et al.

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