77mm ND4-ND64 (2-6 Stop) Variable ND Filter and CPL Circular Polarizing Filter 2 in 1 with 28 Layers of Anti-reflection Green Film, Two Orange Levers, Imported White Cloth Nano-X Series - KENTFAITH
49mm Fader ND2-32 (1-5 Stop) Variable ND Neutral Density Filter for Camera Lens - KENTFAITH
What You Need To Know About ND Filters To Shoot Better Drone Video