What is the perfect frame per second rendering pass level for best image quality?
I'd guess the higher the better:)
Most lights that flicker (incandescent in particular) do so at 50-60 Hz so you want your fps to be somewhat greater than that.
or just go with typical tv quality, of 24frames (i think). apparently we can't see difference if it's more (I don't agree with that).
Sorry , I guess my question was a bit indifferent. I meant what is called in german Rendering Durchläufe. Is there a significant improvement when you go higher ,lets say 5000 or so?
this depends greatly on your scene and material choice ,
for simple scenes with low refraction and minimal glass or metal appearances I can generally get away with 500ish passes but if you have a scene that has high reflection and refraction you can get much higher (I have had renders that required around 5K-10K passes).
the best way to estimate is make your preview window as small as you can stand as it will res up much much faster and watch the pass count until it gets to a level you are happy with.
also take advantage of the Denoiser if you can , it literally cuts your render time down by up to 10 times just make sure you lower your passes if using it. (i.e if you render requires 2000 passes and you want to use the denoiser set your passes to 200)
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