Summary
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  1. focal ratio:


English

Detailed Translations for focal ratio from English to French

focal ratio:

focal ratio [the ~] nomen

  1. the focal ratio (aperture; f-number; aperture value)
    – 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). 1

Translation Matrix for focal ratio:

NounRelated TranslationsOther Translations
ouverture aperture; aperture value; f-number; focal ratio aperture; beginning; breach; commencement; dilatation; disclosure; hole; leak; leakage; opening; opening up; outset; overture; punch-mark; puncture; push open; start; unlocking
- f number; speed; stop number
Not SpecifiedRelated TranslationsOther Translations
f : chiffre aperture; aperture value; f-number; focal ratio
valeur d'ouverture aperture; aperture value; f-number; focal ratio

Synonyms for "focal ratio":


Related Definitions for "focal ratio":

  1. the ratio of the focal length to the diameter of a (camera) lens system2
  2. 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).1

External Machine Translations:

Related Translations for focal ratio