Program zoom camera

Details Program zoom camera Program zoom camera

1990-06-22

1993-11-16

Perkey, W. B.

354106, 3541451, G03B 500, G03B 1700

Patent

active

052628183

ABSTRACT:
A program zoom camera enables photographing an object with a designated magnification even when the object is a moving object. In the camera, the expected object distance is predicted based on measured object distances during a release time lag, and a pseudo focal length photographing based on the data of expected object distance is executed. Accordingly, the range to be printed of a film is changed so that the object magnification becomes the designated magnification. In place of pseudo focal length photographing, the object after the time lag may be exposed on a film with the designated magnification by changing the focal length based on the data of expected object distance.

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patent: 5103251 (1992-04-01), Kudo
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