Optical: systems and elements – Compound lens system – Microscope
Patent
1995-07-19
1997-05-27
Nguyen, Thong
Optical: systems and elements
Compound lens system
Microscope
359368, 359389, 359821, G02B 2106, G02B 2100, G02B 702
Patent
active
056337523
ABSTRACT:
An optical system switching apparatus for a reflected fluorescence microscope including a first turret having a plurality of first windows which are formed at an equal distance from a rotation center axis and on which absorption filters are mounted, a second turret having a plurality of second windows which are formed at an equal distance from the rotation center axis and on which excitation filters are mounted, a third turret having a plurality of mounting portions which are formed at an equal distance from the third rotation center axis and on which dichroic mirrors are mounted. The first to third turrets are assembled to be rotatable independently of each other, for optically aligning an arbitrary one of the excitation filters an arbitrary one of the dichroic mirrors, and an arbitrary one of the absorption filters at respective rotational positions.
REFERENCES:
patent: 3918793 (1975-11-01), Kraft
patent: 4753525 (1988-06-01), Gaul et al.
patent: 4756611 (1988-07-01), Yonekubo et al.
patent: 5128808 (1992-07-01), Dosaka
patent: 5371624 (1994-12-01), Nagano et al.
Endo Itaru
Tsuchiya Atsuhiro
Nguyen Thong
Olympus Optical Co,. Ltd.
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