I belive that quality of a render is 80% the quality of the lighting you are using, it is known by all cinematographers, they take advantage of that to create the correct mood for their films.
Same thing happens when you decide the lighting for a scene or image in CGI.
Quality is the very first thing you have to take care of, not only the quality of the color it produces, but also the quality of penumbra and shadow's transitions, and the ability to to define the volumes the way you are expecting.
So here i'm offering you a monthly subscription for some of the highest quality hdri existing now in the market to a very afforable price .
Hdri Images I'm crafting, are 13000 pix, equirectangular 2:1 and 15ev of dynamic range
With this subscription, you will get at least 3 exclusive hdri each season,
ONE per month!