the x y and z axes with the driving rod fixed in position also the driving rod which is illustrated as a rod may be a single plate of appropriate size many lamps illustrated in the above are all located on the same horizontal plane but the plane upon which to arrange the lamps may be a curved one or a bent one it is self evident that the plane may be modified in any shape or structure so long as the above principle is satisfied using the illuminating fixture illustrated in the above examples the foci of all lamps in well set condition can be changed to any horizontal direction and depth of the surface to be illuminated of an operating table by merely switching on or off the drive motors for the x y and z axes without touching any lamp case or other illuminating device the illuminating fixture of the present invention can be provided within a narrow space of the ceiling above the operating table without making any major modification of the room since the illuminating fixture is moved within the ceiling space instead of through the room there is no possibility of the dust collecting on or adhering to the fixture falling on the operating table besides the illuminating fixture of the present invention which gives high availability of space permits an increased number.