Tiffen Filtro ND Variable 52mm Neutral Density 1 a 8 Stops - 52VND - Filtros
Amazon.com : K&F Concept 52mm Variable ND Lens Filter ND32-ND512 (5-9 Stops) Adjustable Neutral Density Lens Filter with 28 Multi-Layer Coatings for Camera Lens (Nano-X Series) : Electronics
Amazon.com : K&F Concept 52mm Variable ND Filter ND2-ND32 Camera Lens Filter (1-5 Stops) No X Cross HD Neutral Density Filter with 28 Multi-Layer Coatings Waterproof (Nano-X Series) : Electronics