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Light Microscopy Reflection Focusing Cells And Coverglass, George Mcnamara
Light Microscopy Reflection Focusing Cells And Coverglass, George Mcnamara
George McNamara
Light Microscopy Reflection Focusing Cells and Coverglass 20150520Wed
Many light microscopes have the capability of using camera based brightfield, phase contrast, or fluorescence to find the most contrasty specimen focus. When I worked for UIC (1992-1997) we offered this with a combination of Ludl MAC2000 controller, Z-drive, video card thingy, and video camera (most customers at the time used analog video cameras).
Many automated light microscopes now have clever -- and pricey -- autofocus systems based on an NIR LED structured illumination reflecting light off the bottom of the coverglass.
I encourage a simpler approach - my hardware details are …