... .18 layer double side multi coated 2.original glass from schott. 3.top level of transmittance over 99.5% camera ... -low reflectivity Original German glass from Schott Elegant package description Original germany glass from schott. super water proof against oil and ... filters is manufactured by the world top-class glass producer-Schott. Double-sided, anti-reflection, (18 layers) multi-coating, efficient ...