Hoya Grijsfilter PRO ND1000 - 10 stops - 52mm
K&F Concept Variabel ND Filter ND8-2000 super slim - 82mm
Cokin ND-X Variabel Grijsfilter - Super Slim - 77mm
Hoya Grijsfilter PRO ND500 - 9 stops - 55mm