Amazon.com : 52mm ND Variable Neutral Density Filter for Leica 18-56mm f/3.5-5.6 Vario-Elmar-T : Electronics
Moment 67mm Variable ND Filter (6-9 Stops) for Camera Lenses : Electronics - Amazon.com
Amazon.com : NEEWER 67mm MRC Variable ND Filter ND2-ND400, Neutral Density Adjustable ND Filter (0.3 to 2.7,1 to 9 Stops), Multi Layer Coated Optical Glass, Water Repellent & Scratch Resistant Ultra Slim
Amazon.com : Promaster Variable ND Filter - Digital HGX - 55mm : Camera Lens Polarizing Filters : Electronics
Amazon.com : K&F Concept 77mm Magnetic Variable ND Filter ND2-ND32 (1-5 Stops) + Magnetic Filter Adapter Ring Filter Kit, No X Cross Adjustable Neutral Density Filter with 28 Multi-Layer Coatings Waterproof : Electronics
Amazon.com : Kenko 77mm PL FADER Variable Neutral Density (ND3 to ND400) Camera Lens Filters : Electronics
Amazon.com: Filtro ND variable de parada dura roscada de Freewell : Electrónica
Amazon.com : K&F Concept Mini 3/ Mini 3 Pro Variable ND Lens Filters Kit ND2-32+ND32-512(2 Pcs), Variable ND Filters 1-5 Stops + 5-9 Stops Compatible with DJI Mini 3/ Mini 3 Pro : Electronics
Amazon.com : PROfezzion 77mm Variable ND Filter Multi-Coated ND2-ND400 Variable Neutral Density Fader for Canon EF 16-35mm f4L /Sigma 24mm f1.4 DG HSM/Nikon AF-S 20mm f1.8G ED Kit Lens & Other Camera
Amazon.com : K&F Concept 37mm Variable Neutral Density Filter ND8-ND2000 (3-11stop) Waterproof Adjustable ND Lens Filter with 24 Multi-Layer Coatings for Camera Lens (D-Series) : Electronics