One PS-Speck™ green-fluorescent microsphere used for point-spread function analysis.

One PS-Speck™ green-fluorescent microsphere (Cat. no. P7220) used for point-spread function analysis. Shown are individual images, in pseudocolor, taken in x-y planes with 0.25 µm increments in the z-axis between planes. The image was contributed by Regina Armstrong, Uniformed Services University of the Health Sciences, Bethesda, Maryland.

One PS-Speck™ green-fluorescent microsphere (Cat. no. P7220) used for point-spread function analysis. Shown are individual images, in pseudocolor, taken in x-y planes with 0.25 µm increments in the z-axis between planes. The image was contributed by Regina Armstrong, Uniformed Services University of the Health Sciences, Bethesda, Maryland.

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PS-Speck™ microsphere used to demonstrate a microscope point-spread function. Go ›