Zoom lens system

Details Zoom lens system Zoom lens system

1984-08-29

1987-09-15

Corbin, John K.

350423, G02B 1514

Patent

active

046935665

ABSTRACT:
A zoom lens system comprising a vari-focal system and a relay lens system wherein the vari-focal system comprises a first lens group having positive refractive power and comprising a cemented doublet, a second lens group having negative refractive power and comprising a cemented doublet, and a third lens group having positive refractive power, and the relay lens system comprises a front lens group having positive refractive power, and a rear lens group having positive refractive power, the aperture ratio thereof being large and aberrations thereof being corrected favorably.

REFERENCES:
patent: 3615125 (1971-10-01), Higuchi et al.
patent: 4232942 (1980-11-01), Ikemori

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-1381157