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aperture
aperture
nat.sc. el.
achar cró tiomsúcháin
|
area
area
chem.
buaic-achar
adjective
|
noun
|
to phrases
aperture
['æpəʧə]
adj.
nat.sc., el.
achar cró tiomsúcháin
English thesaurus
aperture
['æpəʧə]
abbr.
abbr., oil
ap
;
aper
cinema
A measure of the width of the opening allowing light to enter a camera. The apparent diameter of a lens viewed from the position of the object against a diffusely illuminated background is called the "effect aperture". The ratio of focal length of a lens to its "effective aperture" for an object located at infinity is called the "relative aperture", or "f/number". Larger apertures allow more light to enter a camera, hence darker scenes can be recorded. Conversely, smaller apertures allow less light to enter, but have the advantage of creating a large depth of field. See also shutter speed.
aperture:
5 phrases
in 3 subjects
Communications
1
Natural sciences
3
Technology
1
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