Camera attachment operating device for setting exposure factor

Details Camera attachment operating device for setting exposure factor Camera attachment operating device for setting exposure factor

1975-12-05

1977-05-03

Gonzales, John

354289, G03B 1302

Patent

active

040218295

ABSTRACT:
An operating device having an operating knob for the setting of an exposure factor such as shutter speed is provided on a camera attachment which is removably connected to a camera body, the device being coupled with the exposure factor setting or adjusting mechanism of the camera body. The knob can be locked at one or more predetermined positions thereof by a locking mechanism which is rendered operative when the device has been coupled with the camera body setting or adjusting mechanism.

REFERENCES:
patent: 3742824 (1973-07-01), Ueda et al.
patent: 3940779 (1976-02-01), Kuromoto et al.

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