Here you can read about the possibilities available for coating lenses:
from a single antireflection coating to high-tech coating, from surface protection for plastic lenses Clean Coat and lens tints and colours up to your wishes.
Dirt or marks such as fingerprints or water stains are more noticeable on coated lenses, as they impair the antireflection properties of the coating. It was for this reason that a hydrophobic (water-repellent) coating was developed for lenses with a multilayer coating to make it more difficult for dust and dirt particles to adhere to the lens.
The attractive brown tint of Umbra ensures natural colour rendition and excellent recognition of traffic signal lights.