Marumi brand. DHG Super Multi-coated CPL. Pro quality filter. Made in Japan. Ultra-low reflective coating minimizes reflection off internal CCD & CMOS sensors. Multicoated (6 coatings) optical glass filter. Hard protection: Coating guards from scratches. Water & Oil Repellant: Water, oil and fingerprints simply wipe off. Easy clean coating. Black rim: Edge treated with black ink to eliminate relections. Low profile: Just 5mm high (not inc rear threads). Great for Wide angle lenses, no vignetting. Non-reflective metal frame eliminates reflections. Metal, double threaded frame to allow addtional filters or hoods. A Circular Polarizer (polariser) creates contrast between blue sky and cloud for dramatic deep blue skies. Cuts glare off reflected surfaces such as water. Rotates for different effects. Brand new in package