Quantity 1 Color Black + transparent Material Resin Compatible Camera Models Universal Functions Gradual filter is a must have for digital users because the digital sensor unlike film has very low exposure tolerance. Detail will be lost on both low and high light area you need gradual filter to balance Other Features Each filter size: 8.3 x 9.5cm; ND Color filter is divided in three classes ND2 stop down by one f-stop / ND4 stop down by two f-stop / ND8 stop down by three f-stop Packing List 1 x G.ND2 filter 1 x G.ND4 filter 1 x G.ND8 filter 1 x Red filter 1 x Graduated green filter 1 x Graduated blue filter 1 x Carrying bag