Video system comprising: - a frame intended to be fixed to the ceiling, - a cover fixed to the frame and having two windows (110a-b), and - a bar to each end of which are fixed an optic (306a-b) and a video sensor (502a-b) associated with the optic (306a-b), in which each optic (306a-b) is disposed in a window (110a-b) of the cover, - for each optic (306a-b), an additional printed circuit (308a-b) which is fixed to the bar, and which bears the video sensor (502a-b) and a connector (310a-b), - a printed circuit comprising, for each additional printed circuit (308a-b), a connector, in which the bar is bearing on the printed circuit, - for each additional printed circuit (308a-b), an electrical ribbon cable connected between the connector (310a-b) of the additional printed circuit (308a-b) and the corresponding connector of the printed circuit, in which the bar is mounted to be movable in rotation about a vertical axis with respect to the cover, in which the video system comprises a displacement system which displaces the bar in rotation with respect to the cover, and in which the displacement system comprises a motor fixed to the bar and comprising a motor shaft, a gear fixed to the motor shaft, and a rack secured to the cover and which meshes with the gear, the video system being characterized in that the bar has a bore, the axis of which is parallel to the visual axes of the video sensors (502a-b), and in that the fixing of the printed circuit to the frame is performed using at least one central screw, the axis of which is parallel to the visual axes of the video sensors (502a-b) and equidistant from these two visual axes, in which the central screw has an extension which is fitted into the bore, and in that the rotation of the bar is performed around the extension. - a frame intended to be fixed to the ceiling, - a cover fixed to the frame and having two windows (110a-b), and - a bar to each end of which are fixed an optic (306a-b) and a video sensor (502a-b) associated with the optic (306a-b), in which each optic (306a-b) is disposed in a window (110a-b) of the cover, - for each optic (306a-b), an additional printed circuit (308a-b) which is fixed to the bar, and which bears the video sensor (502a-b) and a connector (310a-b), - a printed circuit comprising, for each additional printed circuit (308a-b), a connector, in which the bar is bearing on the printed circuit, - for each additional printed circuit (308a-b), an electrical ribbon cable connected between the connector (310a-b) of the additional printed circuit (308a-b) and the corresponding connector of the printed circuit, in which the bar is mounted to be movable in rotation about a vertical axis with respect to the cover, in which the video system comprises a displacement system which displaces the bar in rotation with respect to the cover, and in which the displacement system comprises a motor fixed to the bar and comprising a motor shaft, a gear fixed to the motor shaft, and a rack secured to the cover and which meshes with the gear, the video system being characterized in that the bar has a bore, the axis of which is parallel to the visual axes of the video sensors (502a-b), and in that the fixing of the printed circuit to the frame is performed using at least one central screw, the axis of which is parallel to the visual axes of the video sensors (502a-b) and equidistant from these two visual axes, in which the central screw has an extension which is fitted into the bore, and in that the rotation of the bar is performed around the extension.