Terms for subject Astronomy containing Foyer

French	English
astrographe à court foyer	short-focus astrograph
astrographe à long foyer	long-focus astrograph
collimateur à long foyer	long-focus collimator
distance du foyer	focal distance
distance du foyer	distance of the focus
foyer "coudé"	coude focus
foyer du tremblement de terre	earthquake focus
foyer newtonien	Newtonian focus
foyer newtonien	prime focus
foyer primaire	Newtonian focus
foyer primaire	prime focus