BW EXAKTA UV Protection Filter MC 55mm Description. Exakta UV Protection filters ensure clear & colorless photos. UV Protection.. . & your pictures become clearer At higher altitudes & in other places with particularly clean air ie in the mountains or at sea the light is not only very bright good for your photos but also with a high proportion of UV radiation bad for Your photos. Due to the UV radiation you can enjoy the desired holiday tan but the image can appear bluish low contrast or blurred. To protect the sensitive lens from dirt & scratches you should do something The Exakta filter UV Protection allows visible light to pass through unharmed but blocks unwanted UV radiation They achieve natural colors clear details & full sharpness. Since the filter is color neutral it can always remain on the lens as front lens protection from dust water fingerprints & damage.