unscrew lens filters

  1. J

    Help Unscrewing lens filter on Phantom 3 4k

    Can anyone with experience with DJI Phantom 3 drones please give me advice on how to unscrew the built-in lens filter that ships with the Phantom 3 4k? (It's the same camera and filter on the Phantom 3 Professional and the Phantom 4). I need to remove it to attach ND filters or it is useless for...