Microscope for observing a sample in the bright field...

Details Microscope for observing a sample in the bright field... Microscope for observing a sample in the bright field...

2008-06-12

2011-10-18

Consilvio, Mark (Department: 2872)

Optical: systems and elements

Compound lens system

Microscope

C359S390000

Reexamination Certificate

active

08040598

ABSTRACT:
A microscope for observing an object selectably using the bright-field transmitted light contrast procedure or the incident-light fluorescence contrast procedure. During the bright-field transmitted light contrast procedure, an illumination beam path is directed from a bright-field light source to the object and an imaging beam path is directed from the object through the microscope objective into the microscope tube, which includes a fluorescence unit that includes a fluorescence excitation light source, an illumination optical system, a filter set having at least one excitation filter and at least one emission filter, as well as a beamsplitter. The fluorescence unit is mounted movably, so that in a first end position of movement the beamsplitter and the emission filter are out of the imaging beam path of the microscope and in a second end position of movement they are in the imaging beam path between the microscope objective and the microscope tube.

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