K&F Concept Fader Variable Neutral Density ND2-ND400 Filter 37-82mm For DSLR | eBay
82mm Variable ND Filter ND2-ND400 (1-9 Stops) with Putter HD 28 Multi-Layer Coatings Import AGC Glass Adjustable Neutral Density Filter for Camera Lens - Walmart.com
ZoMei 52-82mm HD ND2-ND400 ND2-400 Fader Variable Density Neutral Adjustable Lens Filter Ultra Slim ND Filter German Optical Glass,ND
K&F Concept ND2-ND400 Blue Multi-Coated Variable ND KF01.1406
Amazon.com : K&F Concept 82mm Putter Variable ND Filter ND2-ND400 (1-9 Stops) 28 Multi-Layer Coatings Import AGC Glass Adjustable Neutral Density Filter for Camera Lens (Nano-X Series) : Electronics