PROMASTER 58MM VARIABLE ND HGX PRIME FILTER (1.3 -8 STOPS)
PROMASTER 58MM HGX PRIME VARIABLE NEUTRAL DENSITY FILTER | Rockbrook Camera
Midwest Photo PROMASTER Variable ND Filter - 58mm
K&f Concept New Nd2-32 Variable Nd Filter 58mm 62mm 67mm 72mm 77mm No X Spot Fader Neutral Density Filter For Sony Nikon Canon - Camera Filters - AliExpress
Amazon.com : K&F Concept 58mm Variable ND Filter ND2-ND32 Camera Lens Filter (1-5 Stops) No X Cross HD Neutral Density Filter with 28 Multi-Layer Coatings Waterproof : Electronics