B + W 72mm Master 806M ND 1.8 6-Stop MRC Nano Neutral Density Filter #66-1101581

Reducing the amount of light entering the camera Suitable for both analog and digital cameras Selective sharpness by achieving larger apertures - ideal for portraiture Long exposures producing a cotton candy effect on moving water and deserted streets void of people and cars Wipe effects, continuous light trails Made in Germany