In this tutorial, we explore how easy it is to use an HDR image to create a photorealistic and cinematic universe for your game or film. We will enable mesh distance fields and high precision normals to help us achieve this.
https://dev.epicgames.com/community/learning/tutorials/lwn4/cinematic-backdrops-with-hdri-images-and-volumetric-fog-in-unreal-engine-5-4