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apertures

s
bot. apertures f
aperture ['æpəʧə] s
alt.energ. ouverture f
apar. trou du collimateur; trou du diaphragme
bot. pore f
comp. ouverture aperture
constr. jour m; percée f
estr. encoche f; logement m; mortaise f
fonol. aperture f
micr. ouverture f (In photography, the diameter of the aperture expressed in terms of the focal length of the camera lens. The greater the f-number, the less light reaches the film and the more in focus the objects in the foreground and the background will be. For example, with an f-number = 16 the objects in the far background will be in focus. Whereas, with an f-number = 2 the background will be blurry (while foreground objects are in focus)); ouverture f (In photography, the diameter of the aperture expressed in terms of the focal length of the camera lens. The greater the f-number, the less light reaches the film and the more in focus the objects in the foreground and the background will be. For example, with an f-number = 16 the objects in the far background will be in focus. Whereas, with an f-number = 2 the background will be blurry (while foreground objects are in focus))
paleont. bouche f; fente buccal; ouverture buccale; ouverture des cloisons méridiennes
 Inglés tesauro
aperture ['æpəʧə] abbr.
abrev., petról. ap; aper
cine 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.
apertures
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