Glossaire

Vitesse d'obturation

La vitesse d'obturation est définie par la durée nécessaire à l'ouverture et à la fermeture de l'obturateur. Dans le cadre de la luminosité d'une photo, la vitesse d'obturation constitue un facteur important, car elle contrôle la quantité de lumière qui passe à travers l'ouverture avant d'atteindre le capteur d'images. Par ailleurs, une vitesse d'obturation rapide accorde moins de temps à la lumière pour pénétrer. La photo devient plus sombre et immobilise un sujet en mouvement plus facilement.

Vignettage

Réduction de la luminosité ou de la saturation d'une image à sa périphérie (bords externes). Cela permet de mettre en évidence les sujets positionnés au centre de l'image.

Balance des blancs (équilibre des couleurs)

Réglage de l'intensité des couleurs (généralement les couleurs primaires comme le rouge, le vert et le bleu) d'une image. L'objectif est un rendu exact des couleurs.

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Samsung EC-ST65ZZDPBZA, EC-ST65ZZBPSE1, EC-ST6500DPBZA, EC-ST65ZZDPSZA, EC-ST65ZZBPUE1, EC-ST65ZZBPEE1 Vitesse dobturation

EC-ST65ZZBPRE1, EC-ST65ZZBPBE1, EC-ST65ZZBPUE1, EC-ST6500DPBZA, EC-ST65ZZBPEE1 specifications

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