SIRUI Nano Multi-layer Coating Step-up ND Filter Reduces the light entering the camera to increase exposure time. Sirui Nano MC Step-Up ND Filters are constructed from Top quality German Schott Optical Glass with Aircraft Grade Aluminum Ring.
This 82mm Nano MC Step-Up ND Filter also features a front mount with 95mm front filter threads, which helps to reduce the likelihood of vignetting with wide-angle lenses.