thank you awaismalik for the advice. i add a little noise in post, maybe i can reduce it :)if you go to this link you can understand why i made this choice. https://forum.corona-renderer.com/index.php/topic,3945.0.htmlI chose to simulate this light for recreate a specific photo and mood, i love this light stile, it's similar to Tommaso Sartori mood, simple light but direct.