Optical lens

Details Optical lens Optical lens

1998-07-27

2000-03-07

Epps, Georgia

Optical: systems and elements

Lens

With support

359719, G02B 702

Patent

active

060348275

ABSTRACT:
Provided is an optical lens which can reduce and easily adjust astigmatism. The optical lens has a flange at an outer periphery of an optically functioning portion. The flange has smaller-diameter sections recessed inward from its outer peripheral portion. The smaller-diameter sections are located at positions symmetrical to each other about an optical axis of the optically functioning portion.

REFERENCES:
patent: 4249271 (1981-02-01), Poler
patent: 4254065 (1981-03-01), Ratkowski
patent: 4332443 (1982-06-01), Thomas
patent: 4562600 (1986-01-01), Ginsberg et al.
patent: 4799793 (1989-01-01), Feinbloom
patent: 5192319 (1993-03-01), Worst
patent: 5347326 (1994-09-01), Volk
patent: 5776191 (1998-07-01), Mazzocco
patent: 5781351 (1998-07-01), Murakami et al.
patent: 5838496 (1998-11-01), Maruyama et al.

Affiliated with

Also associated with

Rating

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-368686