Wide field of view afocal three-mirror anastigmat
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United States of America Patent
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-
Dec 22, 1992
Grant Date -
N/A
app pub date -
Aug 16, 1991
filing date -
Aug 16, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An all-reflective three-mirror afocal system has a negative power primary (12), positive power secondary (14), and positive power tertiary (16) mirror which form an afocal reimaging optical system. The system is capable of imaging very wide fields of view at low magnification and may be utilized in pilotage, navigation, driving or the like operations.
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