Marumi CREATION VARI. ND2.5-ND500 77 mm filter

The variable 77mm grey filter from Marumi offers a ND value between 1/2.5 and 1/500 and 1 1/3 stops to 9.0 stops. This lets you create beautiful photo effects in many situations. By turning the edge of the filter, you can choose stepless how many light needs to be blocked. You never have to work with multiple filters again. Despite the durable frame, the ND filter is only 5.9mm thick. (Screw thread not included) This prevents vignetting. Vignetting is a reduction of an image's brightness at the periphery compared to the image center. The ND filter does have multiple coatings, to prevent reflection. Usage You can open the shutter for a longer period of time while using this ND filter, to create the best possible photo. For an example; running water, which you can turn into a soft haze.