Optical: systems and elements – Lens – Microscope objective
Reexamination Certificate
2005-06-14
2010-11-02
Schwartz, Jordan M (Department: 2873)
Optical: systems and elements
Lens
Microscope objective
C359S361000, C359S589000, C359S885000
Reexamination Certificate
active
07826143
ABSTRACT:
The object is to provide an optical system with a wavelength selecting device. According to one aspect of the present invention, an optical system with a wavelength selecting device includes, in order from an object along an optical axis, an objective optical system composed of optical elements having refractive power and an aperture stop, a no-power optical group composed of optical elements having no refractive power, and an imaging device. The no-power optical group includes the wavelength selecting device for making short wavelength light be selectively substantially non-transparent. The wavelength selecting device preferably satisfies the predetermined conditional expressions.
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Muratani Mami
Obama Akihiko
Ohshita Kouichi
Miles & Stockbridge P.C.
Nikon Corporation
Schwartz Jordan M
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