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f-number ['efˌnʌmbə]
commun., IT	abertura relativa
f-number 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) ['efˌnʌmbə]
comp., MS	apertura de diafragma (número f)
F number
rem.sens.	número F
English thesaurus
f-number ['efˌnʌmbə]
abbr.	focal number
abbr., opt.	f /#

f- number : 1 phrase in 1 subject

Chemistry

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