Aperture

/ˈæp.ər.tʃər/

Meaning & Definition

noun

An opening, hole, or gap, especially one that allows light to enter.

The photographer adjusted the aperture of his camera to let in more light.

The diameter of the entrance pupil of a camera lens, expressed in f-stops.

A larger aperture creates a shallow depth of field, which is perfect for portrait photography.

In optics, the opening through which light passes in an optical instrument.

The telescope's aperture determines how much light can be collected for viewing distant stars.

From Latin 'apertura', meaning 'opening, gap'.

wide aperture

A setting on a camera lens that allows a lot of light to enter, used for artistic effects.

aperture priority

A camera mode where the user sets the aperture and the camera adjusts the shutter speed.

aperture science

A fictional research organization featured in the video game Portal.

lens

A transparent optical device that refracts light.

camera

An instrument for capturing images.

focus

The adjustment of a lens to make the image clear.

A term used in photography circles to describe a setting that lets a lot of light in.

When shooting in low light, make sure your aperture is wide open.

Used metaphorically to describe any opportunity or opening that allows for progress.

The new job offer was a great aperture for her career.