Have you been looking at the DJI Osmo Action 4 action cam but haven't pulled the trigger to get one? Air Photography present their long term review to help you out in making that purchase decision... "The DJI Osmo Action 4 has been out for a little over 6 months now and I thought I would make a follow-up long-term review going over some of my updated thoughts and some of the updates the camera has received.