True Color Nano Pro CPL Circular Polariser, 40.5mm Waterproof Coating, CINE Seal Tech, Optical Glass, Reduces Reflections & Glare, Accuracy

For lenses with 40.5mm front threads Ultra High Definition: The NiSi True Color CPL is made from NiSi's exclusive optical glass for enhanced clarity, with an ultra-thin dual-colour aluminium frame and extra grip. True Color Film: Pure colour, with no warm or cold dominants typical of other polarised filters, True Color film keeps the colour as neutral as possible. Waterproof and Nano Coating: reduces unwanted reflections and glare, easy to clean from dust, fingerprints and water drops. Cine Sealed Technology: it improves filter life by reducing the influence of temperature fluctuations and keeping condensation at bay. It also protects the filter from unwanted flare and reflections. Manufactured from a single block of aluminium. The material is light, durable, anti-corrosive, heat-resistant and performs well at very low temperatures.