Depth of field objective

Details Depth of field objective Depth of field objective

1978-01-11

1981-06-23

Gonzales, John

G03B 300

Patent

active

042747252

ABSTRACT:
The present invention relates to an objective for still cameras and motion picture cameras into which the critical focusing values of the two boundary points of a selected depth of field range are fed without being examined, whereupon the lenses and the diaphragm are adjusted automatically for a sharp reproduction of the respective range.

REFERENCES:
patent: 3014416 (1961-12-01), Hofmann

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