Zomei 49mm Fader Variable ND Filter Adjustable ND2 to ND400 ND2 400 Neutral Density for Canon NIkon Hoya Sony Camera Lens 49 mm|nd2 to nd400|neutral density49 mm - AliExpress
Hoya 58mm Variable ND Filter (0.45 to 2.7) (1.5 to 9 stops) 24066055521 | eBay