Optical: systems and elements – Lens – With reflecting element
Patent
1997-06-26
1998-11-10
Epps, Georgia Y.
Optical: systems and elements
Lens
With reflecting element
359730, 359732, G02B 1708
Patent
active
058352848
ABSTRACT:
A catadioptric optical system in which a first imaging optical system is constructed of a unidirectional optical apparatus which transmits outgoing light from a first plane in one direction only and a bidirectional optical apparatus for transmitting the light that enters and reflecting the same to form an interim image of the first plane. A light guide guides the light from the interim image to a second imaging optical system through which the interim image is reimaged on a second plane. The unidirectional optical apparatus has an optical axis and at least one lens movable along the optical axis.
REFERENCES:
patent: 5668673 (1997-09-01), Suenga et al.
Omura Yasuhiro
Takahashi Tetsuo
Epps Georgia Y.
Lucas Michael A.
Meller Michael N.
Nikon Corporation
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