Combined view and rangefinder with specially configured moving l

Details Combined view and rangefinder with specially configured moving l Combined view and rangefinder with specially configured moving l

1977-04-24

1978-07-11

Griffin, Donald A.

Optics: measuring and testing

Range or remote distance finding

With photodetection

356 8, G03B 1320, G01C 304

Patent

active

041005562

ABSTRACT:
A movable lens element in a combined view and rangefinder for use in cameras having a variable focus objective lens is configured in a manner facilitating its reciprocal translation about a determinate path in correspondence with camera focusing.

REFERENCES:
patent: 2970511 (1961-02-01), Ruhle
patent: 3543665 (1970-12-01), Reed et al.

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