Zoom lens

Details Zoom lens Zoom lens

1997-02-12

1998-09-29

Sugarman, Scott J.

Optical: systems and elements

Lens

With variable magnification

359683, 359684, G02B 1514

Patent

active

058153209

ABSTRACT:
A zoom lens is disclosed comprising, from front to rear, a first lens unit having a positive refractive power, a second lens unit having a positive or negative refractive power, a third lens unit having a positive refractive power, and a fourth lens unit having a negative refractive power, wherein rules of design are set forth in order to minimize the bulk and size of the lens system.

REFERENCES:
patent: 3367734 (1968-02-01), Bystricky et al.
patent: 3653749 (1972-04-01), Kawazu
patent: 5002373 (1991-03-01), Yamanashi

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-691552