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aperture

aperture

19 7.4
An adjustable opening in a camera lens that controls how much light enters
  • noun
  • /ˈæpərtʃər/
  • Specialized
translation icon : apertura
  • On some cameras, this disconnects the aperture control and allows the lens to stop down to your predetermined stop.
  • maximum aperture
  • small aperture
  • large aperture

If you don't like what you see, you turn the aperture slightly and a new pattern forms.

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Examples

  • To capture better images in low light, remember to set a wider aperture on your lens.

  • But keep, keep your aperture wide open.

  • And then... you turn the aperture ring here to let in more light!

  • But if you open the aperture, you might not have enough exposure time to paint the scene.

    Academic text (2008)
  • However, these estimates will vary depending on the aperture and detailed design of each telescope.

    Academic text (1992)
  • Depending on the light, you'll want to set your aperture somewhere between F3.2 and 5.6.

    Blog text (7)
  • You can control the amount of light entering your photograph by adjusting the aperture of the camera.

  • The photographer demonstrated how the aperture impacts the exposure of an image during the workshop.

Synonyms

paraphragm
vsaperture
  • Specialized
9.9

An adjustable opening in a camera lens that controls how much light enters

is the general term for such a light controlling opening in optical devices
diaphragm
vsaperture
  • Specialized
7.1

A part inside a camera that opens or closes to control the amount of light

is the broader idea of an adjustable opening rather than the mechanical parts

Compounds

9.0

An opening at the back of the nose that leads into the upper throat

How Wide

aperture
  • Specialized
19 7.4
pinhole
9 4.3

Surface Forms

aperture singular
apertures plural

Etymology

The word aperture comes from the Latin verb aperire 'to open' and the form apertus 'open'. Think of it as the 'open' part of a camera that lets in and controls light, so an aperture is the opening that decides how much light enters.