Amazon.com : K&F Concept 82mm Fader ND Filter Neutral Density Variable Filter ND2 to ND32 for Camera Lens NO X Spot,Nanotec,Ultra-Slim,Weather-Sealed : Electronics
UURIG UURIG R 82 82mm Rapid Filter System Camera Lens Filter Metal Adapter Ring - Walmart.com
Neutral Density 8 Filter with 82mm diameter - MFND8-82 | Manfrotto Global
UURIG R-82 Rapid Filter System Camera Lens ND Filter Metal Adapter Ring for DSLR | eBay