Exposure indicating devices for use in multi-exposure controlled

Details Exposure indicating devices for use in multi-exposure controlled Exposure indicating devices for use in multi-exposure controlled

1976-02-25

1978-05-02

Hix, L. T.

354 53, 354 60E, 354 60L, G03B 708, G03B 1720

Patent

active

040878295

ABSTRACT:
Exposure indicating devices for use in multi-exposure controlled cameras are disclosed. In the multi-exposure controlled camera, the diaphragm and/or the shutter speed are preferentially preset, that element or factor for governing exposure which has not been preset is automatically controlled. According to the present invention, exposure indicating devices are used to notify the camera operator, prior to exposure, how the shutter speed and diaphragm aperture to be eventually effected will be commensurate with the brightness of an object, according to the controlled lighting of two illuminative indicating members.

REFERENCES:
patent: 3077151 (1963-02-01), Weller
patent: 3486428 (1969-12-01), Fukushima
patent: 3502011 (1970-03-01), Rentschler et al.
patent: 3563141 (1971-02-01), Starp
patent: 3712194 (1973-01-01), Yoshimura
patent: 3896472 (1975-07-01), Yoshiyama et al.
patent: 3949412 (1976-04-01), Taguchi et al.
patent: 3950765 (1976-04-01), Nanba et al.
patent: 3972055 (1976-07-01), Matsuda et al.
patent: 3987460 (1976-10-01), Uedu et al.

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