可変ND TRUE COLOR ND VARIO - クリエイターのためのフィルターメーカー NiSi
Amazon.com : Polaroid Optics 67mm Neutral Density Filter [ND 0.6] Compatible w/ All Popular Camera Lens Models : Camera Lens Neutral Density Filters : Electronics
Polaroid 67mm variabele ND filter
Polaroid 67mm Variable Neutral Density Fader Filter PLFILFDND67 | eBay