Cokin Z-154 Z Filter Neutral Grey ND8
Cokin Z-154 Z Filter Neutral Grey ND8X
Neutral Density filters reduce the amount of light that enters the camera, but have no effect on colour balance. These filters are used to capture situations with a lot of movement, to reduce field of depth or to record situations with a lot of lights.
The Cokin Z 154 has an exposure adjustment of 3 stops and reduces ISO 1/8.