Easy peasy 3D lens for GoPro. Cheap way to make some 3D video for all the vr headsets flooding the market. Vitrima on petapixel.
http://petapixel.com/2016/05/27/vitrima-first-3d-lens-gopro-cameras-cheap/
http://petapixel.com/2016/05/27/vitrima-first-3d-lens-gopro-cameras-cheap/