Amazon.com : NEEWER 58mm 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
K&F Concept 58mm ND2-ND400 Variable ND Filter Neutral Density Adjustable Filter for Canon Nikon DSLR Cameras with Cleaning Cloth - AliExpress
Amazon.com : NEEWER 58mm Variable ND Filter ND2-ND400 with Putter, Adjustable Neutral Density Camera Lens Filter(0.3-2.7, 1-9 Stops), 30 Layer Nano Coated/HD Optical Glass/Water Repellent/Anti Scratch/Ultra Slim : Electronics
Fader Variable ND Filter Adjustable ND2 to ND400 Neutral Density for Camera Lens Adjustable ND2 To ND400 Neutral Density Camera Lens Fader Variable ND Filter 58mm - Walmart.com