Promaster 40.5mm Variable Neutral Density Lens Filter

ProMaster 4544 40.5mm Variable Neutral Density ND Filter With the PROMASTER 40.5mm 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 Supplied Accessories: ProMaster 4544 40.5mm Variable Neutral Density ND Filter