Three element varifocal lens systems

Details Three element varifocal lens systems Three element varifocal lens systems

1975-06-27

1977-03-01

Corbin, John K.

350184, 350225, G02B 1514

Patent

active

040099288

ABSTRACT:
A three element varifocal lens system in which the front and back lens elements are stationary and the inner lens is shiftable from the telephoto to the wide angle position. The front lens is negative while the inner and back lenses are positive. The lens system has particular utility for infrared imaging systems.

REFERENCES:
patent: 696788 (1902-04-01), Allen
patent: 3597048 (1971-08-01), Bertele
patent: 3825315 (1974-07-01), Altman et al.

Affiliated with

Also associated with

Rating

Three element varifocal lens systems does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Three element varifocal lens systems, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Three element varifocal lens systems will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1349759