Yutai Optics' optical coating facility not only allows us to produce large numbers of our catalog optics in house but also expands our ability to manufacture custom-coated optics to suit a variety of customer needs. Here we recommend Yutai's coating ability. AR coating,BBAR coating, DLC coating, AF/AS coating, Hydrophobic Coating, ITO/FTO coating. Some coatings can be combined, such as: AR+AF/AS coating, AR+DLC coating, ITO/FTO+AR coating.