Freewell 77mm Magnetic Variable ND Filter System

This versatile Magnetic Variable ND Filter System from Freewell includes a 77mm magnetic base ring and several magnetic filters that attach to the base. You get a variable ND2 to ND5 filter and variable ND6 to ND9 filter. Then there are the mist editions of these, the variable ND2 to ND5 and variable ND6 to ND9 mist filters.