The headlamp (10) has a housing (12) with a transparent cover (14). The housing contains a reflector (18) of an ellipsoid shape and a light source (17) located at the first focal point (F1) of the reflector. A lens (60) with a flat surface (59) and a convex surface(61) has its focal point close to the second focal point (F2) of the reflector and a screen (30) is positioned between the lens and the transparent cover. The upper section of the lens has at least one coating (62) which filters all or part of the light
