Kase Wolverine ND 0.9 filter Hard Grad filter (3 stops)
Light reduction: 3 stops
Sizes: 100 x 150 mm
Thickness: 2 mm
Includes a pouch
A graduated neutral-density filter, also known as a graduated ND filter, split neutral-density filter, or just a graduated filter, is an optical filter that has a variable light transmission. … These are used for special effects or to compensate for light falloff that is natural with large optics.