Automatic focus detection device

Details Automatic focus detection device Automatic focus detection device

1998-10-01

2000-03-14

Perkey, W. B.

Photography

With exposure objective focusing means, focusing aid, or...

Lens characteristic compensating

396123, 396100, 396148, G03B 1336

Patent

active

060384050

ABSTRACT:
A distance measurement device has a taking lens, a viewfinder, distance measurement elements for performing distance measurement in a plurality of areas on an object, a memory for storing the positional relationship between the field of view of the viewfinder and the distance measurement areas of the distance measurement elements, a selector for selecting one of the distances measured in the plurality of areas in accordance with the positional relationship stored in the memory, and a controller for adjusting the focus of the taking lens in accordance with the distance selected by the selector.

REFERENCES:
patent: 5051767 (1991-09-01), Honma et al.
patent: 5305046 (1994-04-01), Sato
patent: 5623707 (1997-04-01), Kusaka

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