Automatic focusing method

Details Automatic focusing method Automatic focusing method

1990-05-07

1993-09-28

Perkey, W. B.

G03B 1336

Patent

active

052490114

ABSTRACT:
An automatic focusing method is disclosed with which a plurality of selected objects can be held within the focusing range of the photographing lens of a camera. For each of object for which it is desired to keep within the focusing range, a focusing detection operation is carried out to provide defocusing data for the object. A weighted mean value of the defocusing data is employed as a common focal position.

REFERENCES:
patent: 4341447 (1982-07-01), Biber

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