Lens system

Details Lens system Lens system

1996-12-12

1999-11-30

Sugarman, Scott J.

Optical: systems and elements

Lens

With graded refractive index

359676, G02B 300, G02B 1514

Patent

active

059952954

ABSTRACT:
A lens system which is composed of at least one homogeneous lens element and at least one radial type gradient index lens element, to be used as a combination lens system or an image pickup lens system, and configured to favorably correct chromatic aberration, etc. by selecting an adequate value for a coefficient representing an Abbe's number.

REFERENCES:
patent: 4755039 (1988-07-01), Hattori
patent: 4830476 (1989-05-01), Aoki
patent: 4852981 (1989-08-01), Suda
patent: 5148205 (1992-09-01), Guilino et al.
patent: 5541775 (1996-07-01), Kiriki

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