One filter that does the work of two. With the Hoya HRT Circular Polarizing filter with UV Coating you do not have to choose which phenomenon you approach first. Are not reflections in (spectacles) glasses, windows or waters intended? This filter polarizes light so that it no longer occurs. Do you want to prevent the sun from putting a haze over your photos at the same time? Also no problem. This same filter also removes ultraviolet rays. Despite the two functions, the filter is only 5 mm slim, your wide-angle does not experience any hindrance. With so many beautiful features, this filter is indispensable for landscape photographers. But actually every photographer who wants to avoid unwanted vignetting. And who is not?