Optical glass, preform for precision press molding, optical element, method for manufacturing optical element
摘要
<p>The present invention relates to an optical glass with a refractive index nd of 1.89 or higher and an Abbé number v(nu)d of 28 to 36; a preform for precision press molding and an optical element that are comprised of this glass; and a method for manufacturing the optical element.</p>
