There are plenty of cheap VR cameras that can be used to create immersive videos on a budget. The Live Planet 360 3D VR Camera is for serious professionals. It is a new 16-lens spherical VR camera with DCI 4K30 real-time in-camera stitching. It supports 180/360 recording/streaming. The camera has a 4K monitoring output too.
You will be able to get a live preview via a VR headset. An Ethernet port is available for fast uploads. The Live Planet 360 camera is compatible with iOS/Android devices. Users have the option to upload their video to the cloud. The bad news? Something like this doesn’t come cheap.