E-Photographic 77mm multicoated HD CPL Lens Filter with ultra thin frame Features: - E-Photographic 77mm Circular Polariser Linear (CPL) Filter - Removes unwanted reflections from water, glass etc. - High Definition (HD 270) Schott optical glass with >99% transmittance - Precision manufactured high quality anti-corrosive aviation aliminium frame - Clear Engraving to prevent fading of inscriptions - Multicoated (16 layers) to prevent scratches - Oil and water repellent - The precision threat ensures a smooth screw-on - Ultra thin, only 7mm eliminates any risk of vignetting - No vignetting, enriches and intensifies colours and contrast such as blue skies etc. - Protects lens against scratches, dust, bumps and drops - 2 Year local South African warranty What's in the box Filter Protective Case