Photographic objective with automatic diaphragm

Details Photographic objective with automatic diaphragm Photographic objective with automatic diaphragm

1983-10-04

1985-03-12

Mathews, A. A.

354152, 354274, G03B 907

Patent

active

045041342

ABSTRACT:
A compensating mechanism is provided on the leaf guide ring of a photographic objective for single-lens mirror reflex camera which opens to its largest value after a picture is taken in response to the hinge motion of the camera reflex mirror. The mechanism compensates for the advance of the diaphragm control lever on the camera side controlled by the reflex mirror.

REFERENCES:
patent: 3298295 (1967-01-01), Schlapp
patent: 3864714 (1975-02-01), Sasaki
patent: 4319824 (1982-03-01), Rossmann
patent: 4411510 (1983-10-01), Faatz et al.

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