The marumi exus uv filter is of the same quality as a professional ‘top filter’ for a fraction of the price. the marumi exus filters are made up of a special coating to counteract unwanted reflections, a matte black metal rim and black glass edges to minimize internal reflections. further, the exus filters contain an antistatic, water repellent and oil repellent coating, making them one of the best filters on the market.marumi exus uv filter possibilities The marumi uv filters block the invisible ultraviolet radiation, which often turn your images blue and causes them to be out of focus and hazy. the uv filter produces an image with an accurate colour representation and ensures a higher contrast in photos. the marumi uv filter is suitable for use in coastal and mountain areas, in clear weather. the transparent uv filter does not effect the exposure time and can therefore, be left on the camera lens. In addition, the marumi uv filter acts as a protective cap on the lens. the filter is less delicate and more durable than the lens of your camera, meaning that the filter is less likely to be damaged in the cleaning process. the uv filter protects the camera lens against sand, water droplets etc. as it can be kept on the camera lens. further, if the camera lens is dropped, the uv filter will break on impact, generally leaving your expensive camera lens intact.