Wide-angle lens system #6

Details Wide-angle lens system #6 Wide-angle lens system #6

1994-07-28

1996-09-24

Sugarman, Scott J.

Optical: systems and elements

Lens

Reverse telephoto

359653, 359750, G02B 1304

Patent

active

055596380

ABSTRACT:
A wide-angle lens system comprising, in order from the object side, a front unit, a stop and a rear unit: the front unit comprising, in order from the object side, a first lens unit which comprises a plurality of lens components including a positive lens component and has a negative refractive power as a whole, a negative lens component having a concave surface on the object side and a cemented lens component; and the rear unit comprising a negative lens component disposed on the side of the stop and at least two positive lens components. This wide-angle lens system has sufficiently corrected aberrations, in particular, negative distortion, curvature of field and sagittal coma.

REFERENCES:
patent: 3992085 (1976-11-01), Momiyama
patent: 4025169 (1977-05-01), Fischer et al.
patent: 4770512 (1988-09-01), Ikari
patent: 4930880 (1990-06-01), Miyauchi

Affiliated with

Also associated with

Rating

Wide-angle lens system #6 does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Wide-angle lens system #6, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Wide-angle lens system #6 will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1933355