1985-08-09
1987-10-20
Henry, Jon W.
G02B 1706
Patent
active
047010355
ABSTRACT:
A reflection optical system includes at least one component mirror system effective to form an image at an enlarged magnification, at least one component mirror system effective to form an image at a reduced magnification, and an optical system for sequentially and repeatedly forming an image of an object at a reduced overall magnification, the optical system containing the enlarging power component mirror system and the reducing power component mirror system. In one form of the invention, the component mirror systems and an additional component system, if any, are arranged tandem to constitute a tandem compound optical system.
REFERENCES:
patent: 3455623 (1969-07-01), Harris
patent: 4395095 (1983-07-01), Horton
patent: 4469414 (1984-09-01), Shafer
Canon Kabushiki Kaisha
Henry Jon W.
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