<p>The present invention relates to a metallic mold for molding lenses, comprising a first core which is connected to a first core hole of a first metallic mold; and a second core which is connected to a second core hole of a second metallic mold to face the first core wherein the first core and the second core is made by materials whose each coefficient of expansion is bigger than the first metallic mold and the second metallic mold, and the external diameter of the first core and the second core are smaller respectively than the diameter of the first core hole and the second core hole.</p>
