Information display device for camera

Details Information display device for camera Information display device for camera

1980-02-12

1982-04-27

Gellner, Michael L.

354 60L, 354198, 354286, 354289, G03B 1720

Patent

active

043267840

ABSTRACT:
The disclosed device responds to the focal length of a camera's lens to display a first range of shutter times at which a camera can safely be held manually and a second range in which it cannot, and also displays the exposure controlling time. The shutter time for producing an exposure is displayed and compared with these ranges to determine whether the camera can safely be hand held.

REFERENCES:
patent: 4188713 (1978-10-01), Murakami et al.
patent: 4192590 (1980-03-01), Kitaura
patent: 4239358 (1980-12-01), Ohtsubo et al.
patent: 4244643 (1981-01-01), Tokutomi

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