Buy on Amazon : http://www.amazon.com/gp/product/B00K1854N4?tag=lottalatte-20 <br /> <br />XCSOURCE 6Pcs Set Gradual Neutral Density G.ND2 G.ND4 G.ND8 Neutral Density ND2 ND4 ND8 <br /> <br />Suitable for below 96mm diameter 135 full-frame digital SLR applicable <br />Do not worry about the wide angle vignetting problem <br />You can combine multiple filters to shoot <br />Control light and colour directly on your raw images at the time of shooting <br />Keep the quality of your images without excessive post production work
