focal length in the Oxford-Hachette French Dictionary

Translations for focal length in the English»French Dictionary

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focal [Brit ˈfəʊk(ə)l, Am ˈfoʊk(ə)l] ADJ

I.length [Brit lɛŋ(k)θ, lɛn(t)θ, Am lɛŋ(k)θ, lɛnth] N

1. length (linear measurement):

length
longueur f
what is the length of the plank?, what length is the plank?
quelle est la longueur de la planche?, de quelle longueur est la planche?
cut the fabric to a length of two metres
couper une longueur de deux mètres dans le tissu
to be 15 cm/50 km in length
faire 15 cm/50 km de long
X is twice the length of Y
X est deux fois plus long que Y
the whole length of the street was planted with trees
la rue était plantée d'arbres sur toute sa longueur
a river runs along the whole length of the valley
une rivière coule tout le long de or sur toute la longueur de la vallée
she ran the (whole) length of the beach
elle a fait toute la longueur de la plage en courant
he has cycled the (whole) length of Italy
il a fait l'Italie d'un bout à l'autre à bicyclette
there was a ladder running the (whole) length of her stocking
son bas était filé sur toute sa hauteur

2. length (duration):

length (of book, film, article, waiting list)
longueur f
length (of event, activity, situation, prison sentence)
durée f
length LING (of vowel, syllable)
longueur f
for the whole length of the ceremony
pendant toute la durée de la cérémonie
length of service COMM
ancienneté f
a film three hours in length
un film de trois heures or qui dure trois heures
a book 200 pages in length
un livre de 200 pages or qui fait 200 pages
the thesis wasn't of sufficient length
la thèse n'était pas assez longue
a significant/considerable length of time
un temps important/considérable
he spends a ridiculous length of time in the bathroom
il passe un temps infini dans la salle de bains
he can't concentrate for any length of time
il n'arrive pas à se concentrer pendant (très) longtemps
he complained about the length of time he'd been in prison
il s'est plaint d'avoir passé tant de temps en prison
the length of time between two events
l'intervalle (de temps) entre deux événements
despite its three-hour length, the play was enjoyable
bien qu'elle ait duré trois heures, la pièce était agréable

See also full-length

I.full-length [Brit ˌfʊlˈlɛŋθ, Am ˌfʊlˈlɛŋθ] ADJ

II.full-length [Brit ˌfʊlˈlɛŋθ, Am ˌfʊlˈlɛŋθ] ADV

focal length in the PONS Dictionary

American English

Monolingual examples (not verified by PONS Editors)

English
Very high resolution monochromators might have a focal length of 2 meters.
en.wikipedia.org
The objective diameter of the telescope is 6.5 inches and it has a focal length of f/13.5.
en.wikipedia.org
Note that computing the focal length requires that the light-refracting properties of the liquids in the eye are taken into account.
en.wikipedia.org
The curvature of field is determined by the sum of the dioptres, but the focal length is not.
en.wikipedia.org
The field of view has a 35 mm equivalent focal length of 24136mm.
en.wikipedia.org
Changing the focal length only while keeping the same camera position doesn't affect perspective but the camera angle of view only.
en.wikipedia.org
As the focal length increases, the area the laser can detect increases as well, displaying a proportional relationship.
en.wikipedia.org
Making a mirror with a focal length of five metres, for example, requires a rotation speed less than ten revolutions per minute.
en.wikipedia.org
The satellite had a mass of, and was equipped with a frame camera with a focal length of, which had a maximum resolution of.
en.wikipedia.org
The combination of focal length, subject distance, and format size defines magnification at the film / sensor plane.
en.wikipedia.org

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