HAMA Vario ND2 400 Neutral Density Lens Filter 77 mm, Black

Variable neutral-density filter ND2-400 with rotating front lens for great photographic effects without editing To reduce light in case that it is too bright Exposure correction between +1 and +8 stop values possible Allows the photographer to use large apertures while taking pictures outside = background gets hazy In case of exposure times longer than 1/30 seconds, water "flows", if they are shorter, it freezes