I've worked on many commercials as well as feature films that have been released in theaters.
My DJI Inspire 1, v2 drone has the x5R camera with a 15mm lens that can film in RAW, no compression for the highest quality available. Focus, Iris, color temp, ISO can all be controlled from the ground. My system is also able to connect a 19 inch video monitor on the ground, (battery powered), for the client to watch the flight. My back up drone is a Phantom 3 Pro, which is brought to ever job to make sure the shot is captured in case of unforeseen issues.
I've been into RC for over 20 years and flying drones for over 5 years. I'm a film maker and I am used to working and performing under pressure. I can display any flight on 19 inch monitor and always bring a backup drone to every job.