Camera of the automatic aperture control type

Details Camera of the automatic aperture control type Camera of the automatic aperture control type

1984-11-05

1986-10-07

Perkey, William B.

354448, G03B 7085

Patent

active

046156003

ABSTRACT:
A camera of the automatic aperture control type permits stop-down means which operates a diaphragm in cooperation with a shutter release operation first to move forward from a first position corresponding to the open aperture to a second position corresponding to a minimum aperture and then to move back from the second position toward the first position. The camera includes storage means for storing a position occupied by the stop-down means when the diaphragm assumes a proper aperture while the stop-down means moves from the first position to the second position so that the stop-down means is stopped at the stored position while the stop-down means moves back from the second position toward the first position.

REFERENCES:
patent: 3864700 (1975-02-01), Mielke
patent: 3987460 (1976-10-01), Ueda et al.

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