Nisi ND-Vario 1-5 Stops True Color 62mm - A variable neutral density filter that provides an exposure reduction of 1 to 5 EV. The density, ND factor, is stepless controlled by turning the filter. The degree of density is easily controlled by rotating the front filter ring with or without the included silver lever, helping you predetermine the additional exposure length required. This filter have built in stops when turning to end positions, to make you know "where you are" during action use. For easier, repeatable control over density settings, the front ring is visually marked with numbers representing the different stop values. The ring features silver side knurlings for a secure grip and easy installation and removal. For those using this filter with cinema or video cameras, combined adjustments of aperture and this filter allow fine adjustments of the depth of field while retaining the designated frame rate. Very useful for both photography and video, as you can adjust exactly th