Description:Complete ND Filter Set (ND2/4/8/16); (4) Graduated ND Filter Set (G.ND2/4/8/16).Full ND Filter (ND2/4/8/16): Reduces the amount of light reaching the film without affecting the color. Can be used to enable slower shutter speeds.Gradient ND Filter (G.ND2/4/8/16): Digital sensor unlike film has very low exposure tolerance. Details will be lost on both low and high light areas. To correct this you need graduated filters to balance it out.Control light and color directly on your raw images at the time of shooting;The same filter for all your lenses by simply replacing the adapter ring.specification:Suitable for Cokin P Series FilterFilter bag size: 63*22cm(L*W)Filter Holder Size: 9*9cm(L*W)Ring diameter P: 85cmGraduated filter size: 9.5*8.5cm(L*W)The package includes:1 piece ND2 filter;1 piece G.ND2 filter1 piece ND4 filter1 piece G.ND4 filter1 piece ND8 filter1 piece G.ND8 filter1 piece ND16 filter1 piece G.ND16 filter9 x Adapter Rings (49/52/55/58/62/67/72/77/82mm)1 piece filter holder1 Piece 8 Pockets Filter Carry Bag