If you are considering the Ricoh Theta M15 360 Degree Spherical Panorama Camera check out this breakdown video of how well it works.
360 Degree Spherical Panorama images, dedicated viewing apps available for download
Spherical Videos up to 3 minutes in duration
Video tool in app allows changes to size, shape and composition
Upload videos (up to 5MB) to theta360.com or share on social media such as Facebook, Twitter or Tumblr
Fast Wi-Fi transfer, wireless sharing, equipped with an SDK – allows users to develop their own APPs
The Ricoh Theta M15 can be bought here at a good price.