PHASE CONTRAST is an illumination technique which enhances the phase difference between the specimen and its surroundings.  Specimens which have a refractive index similar to their surroundings can be invisible in Brightfield, but are well defined in Phase Contrast.  Phase Contrast requires a special set of objectives with phase rings placed in the back focal plane of the objective.  A matching phase ring is placed in the condenser.  A Phase Turret condenser will usually have a Brightfield position as well as Phase positions to match each Phase objective.  Phase Contrast is normally used to examine unstained biological specimens.

 
 

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Phase Contrast

    Leica DMRE Research Epi-Fluorescence / Phase / DIC Microscope (Used)

     
     

    Leitz Aristoplan Trinocular Phase Contrast Microscope

     
     

    Motic BA410T-PH Elite Trinocular Phase Contrast Microscope

     
     

    Meiji MT5900L Trinocular Phase Contrast Microscope

     
     

    Meiji TC5000 Inverted Phase Contrast Tissue Culture Microscope

     
     

    Motic AE2000 LED Inverted Phase Contrast Tissue Culture Microscope

     
     

    Motic BA210BE-PCM Binocular 400x Phase Microscope for Asbestos Identification

     
     
 
 

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