Optical microscope
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United States of America Patent
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-
Jun 4, 2002
Grant Date -
Jul 19, 2001
app pub date -
Mar 5, 2001
filing date -
Jun 18, 1997
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An optical microscope has a revolver for selectively inserting a plurality of objective lenses including a low-magnification (very-low-magnification) objective lens on an optical axis for observation light. In fluorescence observation using the low-magnification objective lens, the effective diameter of an observation optical system is set larger than that of an illumination optical system. With this arrangement, fluorescence observation using the low-magnification objective lens can be stably performed. A cube unit having a plurality of cubes corresponding to the respective microscopic methods is arranged in the optical microscope. An auxiliary lens serving as a very-low-magnification objective lens is mounted in this cube unit. The auxiliary lens can be automatically used in observation using the very-low-magnification objective lens. With this arrangement, a compact optical microscope excellent in operability can be realized.
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