Got this filter safely from ebay, and it was excellent, it does not degrades the quality of the photos. I have tested with some cheaper skylight filters and there is a diff of 200 is ISO. e.g with this filter you get ISO1000 with the cheaper filters you get ISO1200. So please get a better filters to reduce the noise especially in low lights, other that that in sunny bright lights, there is no different, there is a different with skylight and UV, they are totally different usage. :D Take note.
