Buy from Amazon.com : http://fave.co/1EK6Ta0
Polaroid Optics 52mm HD Multi-Coated Variable Range (ND3 ND6 ND9 ND16 ND32 ND400) Neutral Density
Product Description :
Variable Range ND3 ND6 ND9 ND16 ND32 ND400 Neutral Density ND Filter - 6 Filters in 1
With The Polaroid 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