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f-number

['efˌnʌmbə]
Astron. dénominateur d'ouverture
micr. f : chiffre (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))
Tech. ouverture relative
F number
Fernmess. nombre F; ouverture relative minimale
f number
Med. ouverture numérique
 Englisch Thesaurus
f-number ['efˌnʌmbə]
Abkürz. focal number
Abkürz., Opt. f /#
f-number
: 3 Phrasen in 3 Thematiken
Allgemeine Lexik1
Chemie1
Verkehr1

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