77mm FADER ND Neutral Density Filter Grey ND2 ND4 ND8 VARIABLE ND16 ND32 to ND400 DSLR Camera (Camera Photos)
The build quality seems a little light. I'm not sure it will last very long, which is a shame because it is a good alternative to all the usual array of filters. At photo quality, very correct, he filled his role well.