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gen. |
Blende f; Blendeneinstellung f; Blendenöffnung f |
agric. |
Loch n; Masche f; Maul n; Spalt m; Anbohrung f; Durchstich m; Sonde f; Spalte f; Ritze f |
biol. |
Absorptionsapertur f; Apertur f; Eintrittsfläche f; Kollektoreintrittsfläche f; Kollektor-Aperturfläche m |
build.struct. |
Aussparung f; Durchbruch m; Zapfenloch n; Rüstloch n |
chem. |
Apertur f (Blende); Mündung f; Mund m; Mundloch n |
commun. |
Öffnungsfläche f; Öffnung f (antenna); Öffnungswinkel m |
commun., el. |
Punktgröße f; Aperturfläche f; Strahlaustrittsfläche f |
comp. |
Öffnung f; Bildpunktblende f |
construct. |
Fensteroeffnung f; Lichtöffnung f |
fish.farm. |
Maschenweite f (auch: lichte Maschenweite) |
med. |
Maskenöffnung f; Foramen n; Orificium n; Orifizium (orificium, ostium); Apertur f (orificium, ostium); Öffnung f (orificium, ostium) |
microsc. |
Blende f (Öffnung/Apertur) |
nucl.phys. |
Oeffnung f |
opt. |
Apertur f (of an optical system: the diameter of the largest bundle of light which can traverse the system); Ausschnitt m; Blende f (of an optical system; the diameter of the largest bundle of light which can traverse the system); Blendenöffnung f (of an optical system: the diameter of the largest bundle of light which can traverse the system); Öffnung f (of an optical system: the diameter of the largest bundle of light which can traverse the system); relative Öffnung (ratio) |
paleont. |
Mundspalte f |
phys. |
Öffnung f (e.g. of the objective); Öffnungsblende f |
radiat. |
Aperturblende f |
tech. |
Bildfenster n; Objektivblende f; Blende Öffnung; Fenster Öffnung; Lochblende f; Bildbuehne m; Belichtungsfenster n; Blendenausschnitt m; Filmprojektionsfenster n; Eintrittsoeffnung f; Linsenoeffnung f; Lochweite f; Muendung f; Schauloch n; Strahlenoeffnung f |
transp., mech.eng. |
Öffnungsweite f |
weap. |
Loch n (im Diopter) |
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gen. |
Öffnungen f |
archaeol. |
Blende f |
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commun. |
Antennenöffnung f |
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antenn. |
strahlende Apertur einer Antenne |
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opt. |
Öffnungsverhältnis n (the ratio of the focal length to the entrance pupil diameter) |
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med. |
Apertura |
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English thesaurus |
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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. |