Optimized apochromatic lens systems using inexpensive lens eleme

Details Optimized apochromatic lens systems using inexpensive lens eleme Optimized apochromatic lens systems using inexpensive lens eleme

1989-07-13

1990-10-30

Arnold, Bruce Y.

G02B 312, G02B 960

Patent

active

049664484

ABSTRACT:
An apochromatic lens system consisting of four identical glass lens elements and a liquid lens element is disclosed, which has a change in focus of less than one-quarter wavelength over the entire visible spectrum. The glass lens elements and the liquid lens element are made from relatively inexpensive commercially available optical materials.

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