Nikon introduces the SI-PH Phase Condenser accessory option for the ECLIPSE Si biological microscope
With conventional biological microscopes, special tools are needed for adjusting the components required for phase contrast observation. With the SI-PH Phase Condenser, centering of the ring aperture, ...
IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Fritz Zernike (1888-1966), a Dutch ...
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