Terms for subject Astronomy containing focus

English	French
coude focus	foyer "coudé"
depth of focus	profondeur de netteté
distance of the focus	distance du foyer
distance of the focus	distance à l'hypocentre
earthquake focus	foyer du tremblement de terre
long-focus	de grande longueur focale
long-focus astrograph	astrographe à long foyer
long-focus collimator	collimateur à long foyer
Newtonian focus	foyer newtonien
Newtonian focus	foyer primaire
prime focus	foyer newtonien
prime focus	foyer primaire
seismic focus	hypocentre
short-focus	de courte longueur focale
short-focus astrograph	astrographe à court foyer