TERMIUM Plus®

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SECONDARY PRINCIPAL FOCUS [1 record]

Record 1 2011-06-07

English

Subject field(s)
  • Optics
DEF

The axial meeting point of rays parallel to the optical axis on incidence, after refraction by lens or optical system, that has a greater image distance than the primary focus.

French

Domaine(s)
  • Optique
DEF

Point image d'un objet situé à l'infini, formé sur l'axe par un système optique [...]

OBS

Source MVISI-F : Le nouveau dictionnaire de la vision par Michel Millodot, Médiacom Vision Éditeur, 1997.

Key term(s)
  • point focal image

Spanish

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