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REPRESENTATION VISUELLE

REPRESENTATION VISUELLE. L’œil : un système optique et formation d’image. Source primaire et source secondaire de lumière. F’. axe optique. O. Foyer. Distance focale f’. Lentille convergente. Lentille divergente. axe optique. Modèle de l’œil réduit. (point-objet) A. A’ (point-image).

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REPRESENTATION VISUELLE

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  1. REPRESENTATION VISUELLE L’œil : un système optique et formation d’image

  2. Source primaire et source secondaire de lumière

  3. F’ axe optique O Foyer Distance focale f’ Lentille convergente Lentille divergente axe optique

  4. Modèle de l’œil réduit

  5. (point-objet) A A’ (point-image) Tout rayon issu d’un point-objet A émerge de la lentille en passant par son point-image A’ correspondant.

  6. cristallin = lentille convergente rétine = écran Rq: Un diaphragme permet de modéliser l’iris en contrôlant la quantité de lumière traversant la lentille. Modèle de l’œil réduit

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