lentille.py

Created by cghi72

Created on May 18, 2022

504 Bytes

relation de conjugaison
1/f : 1/xa' - 1/xa

grandissement 
G : yb'/yb : xa'/xa 

position taille sens image : caracteristique 

mise au point  pour image se forme sur retine ou capteur en 
modif distance focale ou geometrie montage 
distance obet / lentille / ecran

convergente
image formee peut etre observee sur 
un ecran
relle : xa' > 0

G > 0 image droite 
valeur abs G > 1 image + grande que objet 

divergente 
image formee ne peut pas etre observee sur un ecran
virtuelle xa'< 0

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