H&Y ND4000 Drop-in 95mm HD MRC 12 f-stops Extreme ND Filter for K-Series Holder

H&Y ND4000 is a specially designed Extreme Neutral Density filter (12 f-stops). High performance optical glass and exclusive nano coatings prevent loss of image quality and color shifts usually associated with extreme ND filters. The unique, patented design lets you set composition and then easily slide this near black filter into the rear of the H&Y K-series Filter Holder.