The hoya 46mm hmc digital uvc filter absorbs the ultraviolet rays that can often make outdoor photographs hazy and indistinct the filter manages to do this as it is a multi purpose fine weather filter that is for colour as well as black and white film and digital photography this clear uv filter also serves as a permanent lens protector hoya hmc hoya multi coated digital filters the hoya hmc hoya multi coated digital filter is renowned for its ability to minimise reflec