Marumi brand. DHG Super Multi-coated UV L390. Blocks UV rays Protects your Lens from Dirt and scratches 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 reflections. Low profile: Just 5mm high. Great for Wide angle lenses, no vignetting. Non-reflective metal frame eliminates reflections. Metal, double threaded frame to allow additional filters or hoods.