They never cease to amaze me with their insane creativity. The video was made for a Japanese band called Androp, and the song is fittingly called “Bright Siren”.
The amazing backdrop was created using 250 Canon 60D DLSR cameras mounted on a steel frame. (Please note, the cameras used were Canon not Nikon)
So each camera is connected to a huge motherboard which controls the flashes with a computer. These flashes can create any pattern and even animate whatever they desire. To have 250 camera flashes going off at the same time is quite an impressive sight.
Side Note: The first video is the actual music video, and the second is the “making of” video.