K&f 62mm ndx variable neutral density 2-32 filter | eBay
Tiffen 62mm Variable Neutral Density Filter
Tiffen - Filtro ND Variable 62 mm / ND en Digital Zoom!.
Amazon.com : K&F Concept 62mm Variable ND Filter ND2-ND32 Camera Lens Filter (1-5 Stops) No X Cross HD Neutral Density Filter with 28 Multi-Layer Coatings Waterproof : Electronics