Imaging apparatus

Details Imaging apparatus Imaging apparatus

2006-05-17

2008-10-14

LeDynh, Bot (Department: 2862)

Photography

Having variable focal length of camera objective

Having focus operation

C396S080000

Reexamination Certificate

active

07437065

ABSTRACT:
At least one exemplary embodiment is directed to an imaging apparatus which includes a rear-focus-type lens system configured to perform autofocusing on the basis of a video signal received from an image pickup device. The imaging apparatus can determine a distance from a subject on the basis of correlation information (cam locus) detailing a correlation between the position of a zoom lens and the focus position of a focus lens, with respect to infrared light and visible light, and selects or calculates and determines a cam locus to be used.

REFERENCES:
patent: 5956528 (1999-09-01), Tanaka
patent: 6314240 (2001-11-01), Okawara
patent: 2002-221656 (2002-08-01), None

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