CPL FREEWELL filter for DJI Mavic 4 ProFREEWELL CPL filter for DJI Mavic 4 Pro The Freewell CPL filter is designed for the DJI Mavic 4 Pro and allows you to get clearer, more saturated aerial shots. It effectively eliminates unwanted reflections and improves image quality in various lighting conditions. Thanks to its lightweight design, it does not adversely affect the stability of flight and camera operation. High quality shots The filter works by reducing light reflections from surfaces