Discount Fader 77mm Variable Neutral Density Filter Nd2 Nd4 Nd8 Nd400 2 to 8 Stops
Fader ND filter 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 buy simply rotating it. Lens caps and filters can be attached at the front of this fader ND.