Automatic focusing method for digital image processing...

Details Automatic focusing method for digital image processing... Automatic focusing method for digital image processing...

2006-08-01

2006-08-01

Thompson, Timothy (Department: 2873)

Optical: systems and elements

Lens

With variable magnification

C359S690000

Reexamination Certificate

active

07085073

ABSTRACT:
Provided is an automatic focusing method used by a digital image processing apparatus including a zoom lens moving in a moving range of a first guide bar and a focus lens moving in a moving range of a second guide bar disposed on an extension of the first guide bar. The method includes performing focusing while moving the zoom lens in a range from a zooming limit position in the first guide bar to a set zoom limit position, if a current photographing mode is a close-range photographing mode and a current position of the zoom lens is the zooming limit position.

REFERENCES:
patent: 5587842 (1996-12-01), Iijima et al.
patent: 2004/0119876 (2004-06-01), Ohmori et al.

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