Multiple field cassegrain-type optical combination

Details Multiple field cassegrain-type optical combination Multiple field cassegrain-type optical combination

2007-02-20

2007-02-20

Dunn, Drew A. (Department: 2872)

Optical: systems and elements

Compound lens system

With curved reflective imaging element

C359S364000, C359S366000

Reexamination Certificate

active

10498496

ABSTRACT:
The invention is directed to multispectral multifield optical combinations that are intended to be integrated into an optical device. A Cassegrain-type multifield optical combination has an image focal plane, comprising a first holed concave primary mirror that is fixed relative to the image focal plane and a convex secondary mirror.

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