Zoom lens

Details Zoom lens Zoom lens

1998-11-17

2000-11-14

Sugarman, Scott J.

Optical: systems and elements

Lens

With variable magnification

359716, G02B 1514

Patent

active

06147813&

ABSTRACT:
A zoom lens consisting of a front lens group having a positive power and a rear lens group having a negative power. The front lens group is composed of a first lens having negative power and a second lens having a positive power. The first lens has at least one aspherical surface, and is spaced from the second lens by an air gap D2, wherein the zoom lens satisfies the following condition:

REFERENCES:
patent: 5602676 (1997-02-01), Estelle
patent: 5633758 (1997-05-01), Ueda
patent: 5805352 (1998-09-01), Kawamura
patent: 5808811 (1998-09-01), Iyama
patent: 5995298 (1999-11-01), Ohno

Affiliated with

Also associated with

Rating

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2070981