English to French Tech/Engineering Patents imaging apparatus

The shift control unit 22 shifts the object-space focal point (object-space distance u) of the imaging apparatus 100 by shifting a
relative distance (image-space distance v) between the imaging device 1 and the lens 2. It is noted that the object-space focal point may simply be referred to as the focal point.

point focal esapace-objet ou point focal d'espace-objet?