Abstract: A lens for a lighting device mounted on a vehicle, wherein said lens is composed of an aesthetic design surface portion, a foot fitting portion arranged around the periphery of said aesthetic design surface portion, and a corner portion along which said aesthetic design surface portion and said foot fitting portion are jointed to each other, characterized in that to assure that drops of dew are grown merely on the foot fitting portion of the lens regardless of the cooling action progressing outside of the aesthetic design surface portion of the lens, the aesthetic design surface portion is dimensioned to have a thickness larger than that of the foot fitting portion, and the corner portion is dimensioned to have a thickness larger than that of the aesthetic design surface portion.

Abstract: The present invention discloses a headlamp for a vehicle of a construction in which two paraboloidal surfaces of a reflector are different at upper surface and lower surface thereof as viewed from a line corresponding to a predetermined boundary line, a focal point on the upper surface side is positioned ahead of a focal point on the lower surface side, and approximately the center of the main filament is arranged to be positioned at the focal point of the lower surface side.