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numerical aperture

Articles tagged numerical aperture. Tags group methods across clusters so a technique can be found from more than one route.

2 articles

Rack of flow cytometry tubes in front of a researcher viewing coloured scatter plots beside a cytometer

cytometry and microscopy

A glossary of optical measurements

Which optical measurements a microscope or cytometer specification should name so a later user can repeat the light path.

8 October 2026 · 7 min read

Fluorescence microscope illuminating a culture dish with a monitor of glowing cells behind

cytometry and microscopy

Microscopy resolution is not magnification

Why numerical aperture and wavelength set resolution, and how empty magnification enlarges blur without separating detail.

8 October 2026 · 7 min read