Aspheric lenses are frequently molded and these molds are used to make vast quantities of precision lenses. We've been molding lenses in quantity since Kodak p

Aspheric lenses are frequently molded and these molds are used to make vast quantities of precision lenses. We've been molding lenses in quantity since Kodak perfected the process in the 70's. Yes, grinding aspherical lenses is more costly (yet still possible,) but there are numerous applications for which molded lenses are entirely sufficient.