Optical: systems and elements – Lens – Microscope objective
Patent
1997-03-11
1999-03-23
Epps, Georgia
Optical: systems and elements
Lens
Microscope objective
359657, 359658, 359659, 359660, 359661, G02B 2102
Patent
active
058868267
ABSTRACT:
Provided is a microscope objective including a plurality of meniscus lenses disposed along a predetermined optical axis; a plurality of first doublets aligned along the optical axis and disposed behind the plurality of meniscus lenses; and a plurality of second doublets aligned along the optical axis and disposed behind the plurality of first doublets, wherein a distance between a rearmost one of the first doublets and a front one of the second doublets is larger than a distance between any two adjacent ones of the first doublets and a distance between any two adjacent ones of the second doublets.
REFERENCES:
patent: 5469299 (1995-11-01), Nagano
Epps Georgia
Lucas Michael A.
Nikon Corporation
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