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What sort of render settings did you have on? Like the samples, lighting and camera setting etc. Also did you modify the brick materials in any way?
I'm just curious because I started experimenting on Blender a few days ago but the images are never that clear.
Another thing is that the lights either make my models too bright or too dark.
Thanks in advance.
100 samples + denoising, I changed the roughness of a couple of the black elements, and three area lamps for lighting. If it's too bright, simply tone down the emission output of the lamps.