Slim 67mm Fader ND Filter Neutral Density ND2 to ND400
(ND2 to ND400). Slim 67mm Fader Neutral Density Filter. This Slim Fader ND,Thickness 7.8mm. Type: Fader ND. Fader ND Filter x1. No need to constantly change filters - as the light changes, just dial in another grade of filtration.