Terms for subject Hobbies and pastimes containing focus

English	French
depth of focus	profondeur de foyer
depth of focus	profondeur de champ
focus/out of	hors-foyer
focusing ring	bague des distances
focusing ring	molette de mise au point
focusing ring	bague de mise au point
focusing scale	échelle de mise au point
focusing screen	surface depolie
focusing screen	verre depoli
focusing screen	lentille depolie
long focus lens	objectif à long foyer
long focus lens	objectif de grande longueur focale
soft-focus	flou-net
soft-focus attachment	écran de flou
soft focus effect	flou artistique
soft focus effect	effet de flou
soft focus lens	objectif anachromatique