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Knowledge Center/ Glossary/ Distance focale effective (EFL)

Distance focale effective (EFL)

Une mesure optique donnée comme la distance entre le plan principal arrière d'un système optique et son plan d'imagerie, avec un objet situé à l'infini. Détermine le champ de vision angulaire d'un objectif.

See also Principal Plane , Back Focal Length (BFL) , Radius of Curvature

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