Abstract: To achieve the object to improve an illuminating device to the effect that such a device can be produced and/or installed with a low economic outlay, can be adjusted easily, is variable with regard to the place of use, and is dependable overall, the illuminating device is improved by virtue of the fact that the at least one light source, the at least one deflecting reflector and (lacuna) at least one reflecting surface are connected to one another to form an assembly to be positioned in an appropiate position relative to surface to be illuminated, and control means for switching and dimming said at least one light source are provided including at least one dimmer switch to be positioned near an operator position independently from said assembly.