Amazon.com : K&F Concept 46mm 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
K&F Concept 46mm ND Lens Filter Adjustable ND2 to ND400 Variable Neutral Density 700424378951 | eBay