Amazon.com : K&F Concept 52mm Variable ND Filter ND2-ND32 Camera Lens Filter (1-5 Stops) No X Cross HD Neutral Density Filter with 28 Multi-Layer Coatings Waterproof (Nano-X Series) : Electronics
Amazon.com : 52MM 7PC Filter Set for Fujifilm XF 35mm F1.4 R, Sigma 30mm F1.4 DC DN, Canon EOS R10 with 18-45mm - Includes 3 PC Filter Kit (UV-CPL-FLD) and 4PC Close
Amazon.com : 52MM Altura Photo Professional UV CPL ND4 Lens Filter Kit and Accessory Set for Nikon D3300 D3200 D3100 D3000 D5300 D5200 D5100 D5000 D7000 D7100 DSLR Cameras : Camera Lens