mechanical influences and dust is provided by high-precision, diffractive nanostructures on the insides of the lenses.Aspheric PXM® lightweight lens, cera-tec® coated for a distortion-free image with

mechanical influences and dust is provided by high-precision, diffractive nanostructures on the insides of the lenses.Aspheric PXM® lightweight lens, cera-tec® coated for a distortion-free image with