"PairCamera" can take a shoot from a distance.
And you can check the photo(s) too.
【List of remote control 】
・Taking a photo/movie
・Zoom in/out
・Focus on
・FlashMode on/off
・TimerSet 3s/5s/10s
・SwitchCamera rear/front
【You can use something like this】
・Put iphone on Drone and shoot a movie.