Lens system

Details Lens system Lens system

1993-06-18

1994-11-15

Ben, Loha

Optical: systems and elements

Lens

Including a nonspherical surface

359739, G02B 1318

Patent

active

053653777

ABSTRACT:
A taking lens system for a camera includes a positive meniscus type of single component bi-aspherical lens and an aperture stop disposed facing a convex aspherical surface of the single component bi-aspherical meniscus lens. The single component bi-aspherical lens is designed and adapted such that a ratio of a radius of curvature of a reference concave spherical surface of the concave aspherical surface to a radius of curvature of a reference convex spherical surface of the convex aspherical surface is between 1.0 and 2.5.

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