Method and apparatus for through-the-lens distance determination

Details Method and apparatus for through-the-lens distance determination Method and apparatus for through-the-lens distance determination

1991-12-18

1994-05-24

Perkey, W. B.

354409, G03B 1336

Patent

active

053153413

ABSTRACT:
In an imaging system utilizing a through-the-lens phase-correlation type of autofocus system, architecture for determining absolute distance to one or more subjects to be imaged. In a preferred embodiment, the distance information is provided to means for effecting focal length adjustment so as to accomplish autocomposition of one or more of the subjects.

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"Electronic Cameras Exposed," Electronics World, Mar. 1961.

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