um protection of lenses against 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

reading (see table).Ocular and objective lenses have a high-quality, anti-reflection hard coating.Diffractive aspheric PXM® lightweight lens, cera-tec® coated for a distortion-free image with edge-to-edge

reading (see table).Ocular and objective lenses have a high-quality, anti-reflection hard coating.Diffractive aspheric PXM® lightweight lens, cera-tec® coated for a distortion-free image with edge-to-edge