Hoya 72mm Pro-1 Digital NDX32 Screw-in Filter

Reduces the amount of light to the camera sensor by 5 f-stops without effecting colour balance Enables slow shutter speeds to be used to record movement in subjects such as waterfalls, providing a silky smooth effect to flowing water Digital Multi Coated (DMC) -- Greatly reduces lens flare and ghosting Black Rimmed Glass (BRG) -- Reduces light reflection around the filter edge to enhance contrast Low Profile Frame (LPF) -- Ultra thin frame helps avoid vignetting on wide angle lenses and Knurled Edge Frame (KEF) aids easy attachment and removal