Hoya Grijsfilter PRO ND8 - 3 stops - 82mm
Hoya Grijsfilter PRO ND64 - 6 stops - 52mm
Hoya Grijsfilter NDx400, HMC Multi Coated - 9 stops - 52mm
K&F Concept Graduated ND Filter Magnetic Nano X - 82mm