Infrared catadioptric zoom relay telescope

Details Infrared catadioptric zoom relay telescope Infrared catadioptric zoom relay telescope

1990-06-28

1992-05-19

Arnold, Bruce Y.

Optical: systems and elements

Compound lens system

Telescope

359357, 359366, 359728, G02B 2300, G02B 524, G02B 1700

Patent

active

051142384

ABSTRACT:
A catadioptric zoom relay telescope whose refractive elements are made from only a single type of optical glass focuses all wavelengths in a broad infrared bandwidth onto a common focal plane with diffraction-limited imagery throughout a changing focal ratio (i.e., a zoom range) from less than f/1.5 to more than f/6.0.

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patent: 4658140 (1987-04-01), Roll et al.
patent: 4690516 (1987-09-01), Kanno
patent: 4714307 (1987-12-01), Palmer
patent: 4834515 (1989-05-01), Mercado
patent: 4971428 (1990-11-01), Moskovich

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