Taking lens system

Details Taking lens system Taking lens system

2006-04-18

2006-04-18

Lester, Evelyn A. (Department: 2873)

Optical: systems and elements

Lens

Multiple component lenses

C359S716000

Reexamination Certificate

active

07031079

ABSTRACT:
A three-lens-element taking lens system for forming an image on a solid-state image sensor has, from the object side, a first lens element having a positive optical power, an aperture stop, a second lens element having a positive optical power, and a third lens element having a negative optical power and having a concave surface pointing to the image side. Of the first and second lens elements, one is a glass lens element and the other is a plastic lens element. The third lens element is a plastic lens element.

REFERENCES:
patent: 5715096 (1998-02-01), Meyers
patent: 6414802 (2002-07-01), Betensky
patent: 6744570 (2004-06-01), Isono
patent: 6747810 (2004-06-01), Sato
patent: 6795253 (2004-09-01), Shinohara
patent: 2004/0021957 (2004-02-01), Isono
patent: 2002-98889 (2002-04-01), None
patent: 2002-517773 (2002-06-01), None

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