Camera

Details Camera Camera

1977-02-18

1978-11-07

Wintercorn, Richard A.

354238, 354289, G03B 300, G03B 1302, G03B 964

Patent

active

041248570

ABSTRACT:
A camera with a varifocal objective is equipped with an indicator which signals the existence of a condition unsuitable for the taking of pictures because of the risk of blurring, especially when the camera is held by hand, as where a large focal length is chosen together with a long exposure time. The indicator is overridden upon reduction of the risk by certain precautionary measures, including the use of a self-timer which generally involves placement of the camera on a stable support.

REFERENCES:
patent: 3605596 (1971-09-01), Vockenhuber et al.
patent: 3714878 (1973-02-01), Hasegawa et al.

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