The scene file can be downloaded here.

 

Set Model

The scene consists of a curved backdrop with a floor plane and one plane on either side with a dark gray Standard Surface shader assigned to both of them.


Lights

Change the light type to 'Quad' for each of the lights


 

Exposure

Light's file texture 'Color Gain' and 'Exposure' attributes can be modified


Spherical Camera Lens

More information about the spherical camera can be found here.