Flare stop for a large aperture ratio zoom lens system

Details Flare stop for a large aperture ratio zoom lens system Flare stop for a large aperture ratio zoom lens system

1984-12-31

1987-05-05

Corbin, John K.

350336, 350450, G02B 520, G02B 964, G02B 1516

Patent

active

046627235

ABSTRACT:
A flare stop for a large aperture ratio zoom lens system comprising a diverging lens group and a converging lens group and arranged to be zoomed by moving the diverging lens group and converging lens group along the optical axis so that the airspace between those lens groups becomes smaller in the teleposition, the flare stop being arranged in the converging lens group so as to be moved integrally with the converging lens group and arranged that the inner diameter thereof is varied in co-operation with zooming.

REFERENCES:
patent: 4168110 (1979-09-01), Itoh
patent: 4367927 (1983-01-01), Fujii
patent: 4474436 (1984-10-01), Itoh
patent: 4487482 (1984-12-01), Itoh et al.

Affiliated with

Also associated with

Rating

Flare stop for a large aperture ratio 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 Flare stop for a large aperture ratio zoom lens system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Flare stop for a large aperture ratio zoom lens system will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2395997