Zomei 100 * 150mm Z-Pro Series Filters Kits:ND2+ND4+ND8+ND16 Graduated Neutral Density Gradual Grey Square Filter Compatible Cokin DSLR Cameras

Graduated color effect. Neutral density ND2+ND4+ND8+ND16 filters reduces light density to 4 stops. ND filters reduce the amount of light coming into the sensor without affecting the color. Can be used to enable slower shutter speeds. Decrease the depth of field, provide a gradual color transition for a smooth blending effect. Same filter for all your lenses by just replacing the adaptor ring. Rotate, slide, decentre in all directions for more precision and creativity.