Zoom lens system for use in a compact camera

Optical: systems and elements – Lens – With variable magnification

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

359683, 359692, 359740, G02B 1514

Patent

active

052708616

ABSTRACT:
A zoom lens system including a first lens unit of positive power and a second lens unit of negative power with the axial separation therebetween varies to bring about zooming. The first lens unit includes at least one positive lens element and at least one negative lens element and the second lens unit consists of a biconcave negative lens element having a strong curvature towards the front.

REFERENCES:
patent: 4720179 (1988-01-01), Ito
patent: 4787718 (1988-11-01), Cho
patent: 4815830 (1989-03-01), Sato et al.
patent: 4830476 (1989-05-01), Aoki
patent: 4836660 (1989-06-01), Ito
patent: 4854683 (1989-08-01), Ozawa
patent: 4889416 (1989-12-01), Yamada
patent: 4936661 (1990-06-01), Betensky et al.
patent: 4953957 (1990-09-01), Kobayashi
patent: 4993814 (1991-02-01), Hata
patent: 5000549 (1991-03-01), Yamazaki
patent: 5071235 (1991-12-01), Mori et al.
patent: 5087988 (1992-02-01), Nakayama
patent: 5153777 (1992-10-01), Okada et al.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

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

Rate now

     

Profile ID: LFUS-PAI-O-1710439

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.