PLR Optics 55MM HD Multi-Coated Variable Range (ND3, ND6, ND9, ND16, ND32, ND400) Neutral Density (ND) Fader Filter - 6 Filters in 1! For The Sony Alpha DSLR SLT-A33, A35, A37, A55, A57, A65, A77, A77 II, A99, A100, A200, A230, A290, A300, A330, A350, A380, A390, A450, A500, A560, A550, A700, A850, A900 & Minolta Maxxum Digital SLR Cameras Which Have Any Of These (18-70mm, 18-55mm, 75-300mm, 55-200mm, 35mm f/1.8, 85mm f/2.8, 50mm, 100mm) Sony Lenses Variable Range (ND3, ND6, ND9, ND16, ND32, ND400) Neutral Density (ND) Filter - 6 Filters in 1! With The PLR Variable Range ND Filter, You Can Enjoy Total Control Of Virtually Any Lighting Environment. Simply Turn Its Exterior Ring To Access Any Of 8 ND Settings Without Wasting Time Changing Or Adding Filters