Exposure control system

Details Exposure control system Exposure control system

1976-11-30

1978-05-09

Hix, L. T.

354 47, 354231, G03B 708

Patent

active

040890147

ABSTRACT:
In a camera exposure control mechanism having auto-to-manual switching for diaphragm control and a mechanism for selecting different exposure modes, apparatus is provided for switching the diaphragm control to manual control with the selection of either bulb or flash exposure irrespective of the selection of the exposure mode. An interrupting mechanism interrupts the operation of an automatically operated diaphragm stopping-down device to enable manual diaphragm control or bulb exposure control. The interrupting means selects manual diaphragm control with manual selection of the bulb or the flash exposure setting irrespective of the setting of auto-to-manual switch setting.

REFERENCES:
patent: 3964073 (1976-06-01), Kobori et al.
patent: 3972055 (1976-07-01), Matsuda et al.

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