Product Name: Neewer 77MM Ultra Slim ND2 ND400 Fader Neutral Density Adjustable Lens Filter for Camera Lens with 77MM Filter Thread Size Made of Optical Class
Neewer 77MM Ultra Slim ND2-ND400 Fader Neutral Density Adjustable Lens Filter for Camera Lens with 77MM Filter Thread Size, Made of Optical Class Type: Neutral Density