Aperture (disambiguation)

Aperture: an opening. from the Latin apere, to open. The term has the following specific meanings.

Aperture in photography defines the size of the opening in the lens.
Aperture is the diameter of the objective lens or primary mirror in a telescope.
Synthetic aperture, a method in radioastronomy and radar measurements.
Aperture is a physical parameter of an antenna.
Aperture is the opening in the shell of a gastropod (mollusc).
Aperture grille is a prominent cathode ray tube display technology.
numerical aperture, a parameter of optical fibers and microscopy.

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