Continuous zoom all-reflective optical system

Details Continuous zoom all-reflective optical system Continuous zoom all-reflective optical system

1988-10-17

1991-02-19

Henry, Jon W.

350560, 350620, G02B 1706, G02B 2306, G02B 718, G02B 1500

Patent

active

049938185

ABSTRACT:
The present optical system provides an all-reflective continuous zoom optical system. An imaging mechanism including the tertiary mirror (14) of a three-mirror (10, 12, 14) anastigmat is moved to effect a change in the focal length, field of view, or both of the system.

REFERENCES:
patent: 4101195 (1978-07-01), Korsch
patent: 4812030 (1989-03-01), Pinson

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