Triplet lens system

Details Triplet lens system Triplet lens system

1994-12-14

1997-06-03

Epps, Georgia Y.

Optical: systems and elements

Lens

Including a nonspherical surface

359785, G02B 302

Patent

active

056360657

ABSTRACT:
A triplet lens system comprising, in order from the object side, a first positive meniscus lens component having a convex surface on the object side, a second biconcave lens component, a third biconvex lens component and a stop; and configured so as to correct aspherical aberration and coma at the same time by using at least one aspherical surface on the second and the third lens components.

REFERENCES:
patent: 4542961 (1985-09-01), Sato
patent: 4676607 (1987-06-01), Wakamiya
patent: 5204780 (1993-04-01), Sakamoto
patent: 5546236 (1996-08-01), Ogata et al.

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