Description: Double anti-reflective coating, ultra thin frame. Allows for variable light reduction from 2-8 stops; easy to create different neutral density. Decrease the depth of field by using wider apertures, which helps separate subjects from their background Neutral density can be adjusted from ND2 to ND400 Suitable for dynamic screen, waterfalls, streams, clouds, cars, waves or any fast moving subject Specification: Type: Fader ND Fliter Color: Black Rotating: Yes Neutral Density Grade: 2 - 400 Material: Optical Glass Package Includes: 1 Piece ND2-400 Filter Note: Filter only, not include camera!