TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

LONG-FOCUS LENS [1 record]

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Record 1 1999-12-09

English

Subject field(s)
  • Photography
CONT

A long-focus lens gives a high resolution image over quite a narrow field of view. Its long focal length means that the main lens elements must be mounted at the front of a long tube to be at a sufficient distance from the film to form a sharp image.

French

Domaine(s)
  • Photographie
CONT

Objectifs de longue focale - Leur angle de champ est inférieur ou très inférieur à celui de l'objectif normal. [...] Un objectif de longue focale donne une image dont la perspective - la convergence naturelle des lignes parallèles du sujet - semble moins forte. Les plans du sujet, normalement étagés en profondeur - un paysage, par exemple - paraissent se confondre les uns avec les autres.

Spanish

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TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
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