Do you need to create HDR environment maps with a spherical camera?
This is the right tutorial for you!
Good news is that you don’t need to create a complex scene if you use the HDRs as an environment map for diffuse and specular illumination. In this case less is more.
The amazing monster you see here is from Mixamo.
The real-time rendering technology of U-RENDER permits you to save a lot of time because you have immediately a noise-free result, after any kind of change.
Try U-RENDER for free: https://u-render.com/try/