aperture
aperture — noun
1. a very small gap or cut in something solid, often one that lets air, light, or a
a very small gap or cut in something solid, often one that lets air, light, or another object pass through.
The cat watched the garden through an aperture in the wooden fence.
through an aperture in [object]
Warm air escaped from an aperture near the roof of the tent.
aperture near the roof
Workers fed the cable through a narrow aperture in the metal box.
A thin line of sunlight entered through the aperture above the door.
The crab slipped back into the rock through a tiny aperture.
文法句型
an aperture in [surface/object]
through an aperture
用法筆記
Often followed by 'in' or 'through'. Distinguish from sense 2: this sense can describe any small gap in a surface or object, not specifically the light opening inside a camera lens.
常見錯誤
2. in photography, the adjustable gap inside a camera lens that decides how much li
in photography, the adjustable gap inside a camera lens that decides how much light enters when a picture is taken.
Nina widened the aperture before taking photos in the dark church.
widen the aperture in low light
A wide aperture blurred the lights behind the singer on stage.
wide aperture + blurred background
The camera chose a small aperture for the bright beach scene.
In class, Mr. Wu showed how aperture affects depth of field.
Noah opened the aperture to let more light reach the sensor.
文法句型
adjust the aperture
a wide/small aperture
set the aperture to [number]
用法筆記
Usually discussed together with shutter speed and ISO. A wide aperture lets in more light and often gives a blurred background, while a small aperture lets in less light and usually keeps more of the picture sharp.