Aperture (disambiguation)

Aperture refers to an opening, hole, or gap. In different contexts, it may have different meanings and applications. This article aims to disambiguate the term and provide links to the various uses of the term "aperture".

In Optics

In optics, an aperture is the opening through which light travels. It is an integral part of devices such as cameras, telescopes, and microscopes. The size of the aperture can be adjusted to control the amount of light entering the device. The aperture size also affects the depth of field and diffraction – the larger the aperture, the smaller the depth of field and the greater the diffraction.

In Biology

In biology, aperture (botany) refers to the opening in the ovule of a flower through which the pollen tube enters. In zoology, aperture (mollusc) refers to the opening in a mollusc shell.

In Technology

In technology, aperture (computing) refers to a software application developed by Apple Inc. for editing photos. Aperture (engineering) refers to any opening in a mechanical device, such as a valve opening in an engine.

In Architecture

In architecture, an aperture is an opening in a building that allows the passage of light or air. This can include windows, doors, and skylights.

In Astronomy

In astronomy, the aperture (astronomy) of a telescope is the diameter of its main optical component that gathers light.

See Also

• F-stop
• Diaphragm (optics)
• Pupil
• Iris (anatomy)

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