ProMaster 9566 77mm Variable Neutral Density ND Filter
With the PROMASTER 77mm Variable Neutral Density ND Filter, you can enjoy total control of virtually any lighting environment. Simply turn this filters exterior ring to access any of six ND settings without wasting time changing or adding filters. Completely variable from a factor of ND3 to ND400.
ProMaster 1-Year Limited Warranty Included
