B+W 72mm Colour Grad Grey 8x filter (103 73093)

This B+W Neutral Density Filter reduces the light intensity by three f-stops (log density 0.9). It still features very good color neutrality. This ND filter is especially appropriate for use on video cameras when the lens cannot be stopped down sufficiently in great brightness or when a deliberately low depth of field is desired. The filter factor is 8x.

The info and sample effect picture are taken from schneideroptics.com