The Phantom 4 makes awesome aerial photography safer with five cameras that sense and avoid obstacles including trees, buildings and people, Geoffrey A. Fowler writes.
WSJ.com: Personal Technology, Wall Street Journal: Technology: Personal Technology
Tue, 03/01/2016 - 8:17pm
The Phantom 4 makes awesome aerial photography safer with five cameras that sense and avoid obstacles including trees, buildings and people, Geoffrey A. Fowler writes.