Zoom lens system

Details Zoom lens system Zoom lens system

1997-12-05

2000-05-16

Epps, Georgia

Optical: systems and elements

Lens

With variable magnification

359683, G02B 1514

Patent

active

060645318

ABSTRACT:
A zoom lens system for use on compact cameras, which has a high zoom ratio, is provided at a minimum cost. The zoom lens system comprises a first positive lens group G1, a second positive lens group G2 and a third negative lens group G3 with a focal length of the system varied with changes in spacings between the lens groups. The first lens group G1 comprises one positive lens and one negative lens, and the third lens group G3 consists of one negative plastic lens. The zoom lens system satisfies

REFERENCES:
patent: 4444893 (1984-04-01), Mader et al.
patent: 5086356 (1992-02-01), Kojima et al.
patent: 5353160 (1994-10-01), Ogata
patent: 5825556 (1998-10-01), Meyers
patent: 5886829 (1999-03-01), Goosey, Jr.

Affiliated with

Also associated with

Rating

Zoom lens system does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Zoom lens system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Zoom lens system will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-263933