K & F CONCEPT filtro de lente ND2 a ND400 ND, atenuador ajustable de densidad neutra Variable de 49mm, 52mm, 58mm, 62mm, 67mm y 77mm, 37 82mm|neutral density|k&f conceptfilter lens - AliExpress
Tiffen Filtro ND Variable 52mm Neutral Density 1 a 8 Stops - 52VND - Filtros