Current winner: Freewell DJI Mavic Air Filters - Bright Day - 4Pack ND8/PL ,ND16/PL ,ND32/PL ,ND64/PL ($70/£50 – £130 saving over PolarPro).
Also considering the official DJI Filters (4, 8, 16) along with the 32 and 64 offered by FS-Labs. Yes, I don't need the 4 and 8 but combined this comes to...