Evomotion dual Cameras offer 2.5k resolution for the recording of 360 degree video. The dual camerasuses Novatek processor. The dual cameras sell for about $100 for 1,000 pieces. Evomotion quad cameras at $2000 based on Nvidia Tegra TK1 has 4 hd cameras, and they even has one with 4 Blackmagic 4K cameras combined recorded onto a big PC and suitable high VR productions such as in Hollywood. You can experience me filming at this booth in 360 VR from my hat towards the 1st minute of this 360 video: https://www.youtube.com/watch?v=ktxThATWiKI