Fader 77mm Variable HD ND Filter ND2 to ND400

NEW HD Version Designed to work with HD SLR video shooting and photography. Fader ND filters allows you to adjust neutral density freely from ND2 to ND400, providing 2 to 8 stops added density. Perfect for creating a slow shutter speed. With one single filter, you can change to a different density by simply rotating it. Lens caps and filters can be attached at the front of this fader ND.