Haida Pro II Multi-Coating Circular Polarizer + Variable Neutral Density Filter Nano-Coating CPL + VND Filter 82mm(2 in 1) GRADUATED ND FILTERS allows you to adjust the

allows you to adjust the strength of the variable ND filter by rotating the circular polarizer

Haida 82mm Lens Adapter Ring for M10 Filter Holder

It lets you magnetically attach 77mm filters from Haida's Magnetic Series

Nanopro Multicoated on Both Sides of Glass

Neutral Density Filters are often used to achieve motion blur effects with slow shutter speeds

Haida Pro II Multi-Coating Circular Polarizer + Variable Neutral Density Filter Nano-Coating CPL + VND Filter 82mm(2 in 1) GRADUATED ND FILTERS allows you to adjust theHaida Pro II Multi Coating Circular Polarizer + Variable Neutral Density Filter Nano Coating CPL + VND Filter 82mm(2 in 1)