NiSi Filtro ND Variabile (ND-VARIO) 5-9 stop Nano-Coating Enhanced in Vetro ottico - 40.5mm : Amazon.it: Elettronica
Amazon.com : K&F Concept 77mm Variable ND2-ND400 ND Lens Filter (1-9 Stops) for Camera Lens, Adjustable Neutral Density Filter with Microfiber Cleaning Cloth (B-Series) : Electronics
Neewer 77mm Filtro ND MRC a Densità Neutra Variabile tra ND2 a ND400, Vetro Ottico con Rivestimento Multistrato, Idrorepellente Antigraffio & Ultrasottile per Obiettivi 77mm : Amazon.it: Elettronica
Amazon.com : Tiffen 77VND 77mm Variable Neutral Density Filter for Camera Lenses, Black : Camera Lens Round Filters : Electronics
Amazon.com : Freewell (Mist Edition) 77mm Threaded Variable ND Filter All Day 2 to 5 Stop & 6 to 9 Stop - 2Pack : Electronics
Amazon.com : K&F Concept 77mm Variable ND2-ND400 ND Lens Filter (1-9 Stops) for Camera Lens, Adjustable Neutral Density Filter with Microfiber Cleaning Cloth (B-Series) : Electronics
Amazon.com : Freewell (Mist Edition) 77mm Threaded Variable ND Filter Bright Day 6 to 9 Stop : Electronics