Cheek cell image using brightfield and darkfield microscopy.

(a) Schematic diagrams of a darkfield condenser, (b) brightfield microscopy image, and (c) darkfield microscopy image of a cheek cell. Scale bars in the Figs represent 5 μm. Images were taken with UplanSapo 60× oil (NA 1.35). All images (b, c) were taken using the color camera.