Amazon.com : JJC 77mm Variable Neutral Density Filter ND2 to ND400, Slim Fader ND Filter for Nikon D750 D780 with 24-120mm f/4, Canon 6D Mark II 5D Mark IV with EF 24-105mm
Amazon.com : PROfezzion 72mm Variable ND Filter ND2-ND2000 Variable Neutral Density Fader for Sigma 18-35mm f1.8 /Nikon Z 24-70mm f4 S/Canon EF 35mm f1.4L II USM Lens & Other 72mm Camera Lenses :
Amazon.com : NEEWER 77mm 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
Amazon.com : Andoer 67mm ND Fader Neutral Density Adjustable ND2 to ND400 Variable Filter for Canon Nikon DSLR Camera : Electronics
Amazon.com : NEEWER 55mm 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 : 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 : Meike MK-EFTZ-C VND Drop-in Filter Auto-Focus Mount Lens Adapter for Canon EF/EF-S Lenses to Nikon Z Series Cameras with Variable ND Filter and UV Filter Z5 Z6 Z7 Z50 Z6II
Amazon.com : K&F Concept 58mm Variable ND2-2000 (1-11 Stops) ND Camera Lens Filter-18 Multi-Coated Adjustable Neutral Density Filter with 3 Vacuum Cleaning Cloths (K-Series) : Electronics