Protects lens surface from scratches and dirt and water and oil spots simply wipe off Marumi DHG Super Circular Polarizing Filters have the same features as the High Grade Filters, with 2 additional benefits: Hard protection: protects the surface of the lens from scratches, even with very frequent use. Water and oil repellent In addition, a special, thin frame with a satin finish and the BlackInk Process prevent reflections. Best Polarizing Filters for Camera Lenses Super Circular Polarising Filter Marumi DHG Super Circular PL Filter 40.5mm-105mm - Cles Singapore Camera Filters Specially designed for Digital Photography Marumi 58mm DHG Super ND500 Filter Water and oil repellent: water and oil drops are easy to wipe off. Marumi DHG Super Circular Polarizing Filters have the same features as the High Grade Filters, with 2 additional benefits:Hard protection: protects the surface of the lens from scratches, even with very frequent use.