randym77 posted at 11:52AM Fri, 28 June 2019 - #4355151

Afrodite-Ohki posted at 10:44AM Fri, 28 June 2019 - #4355139

Oh wait I know what it might be - are you using indirect lighting with Firefly? I have slow render times but I always have it on - it looks horrible when off, way too fake.

Yes. I really think the problem is Superfly. (Or my ignorance about how to optimize it.) It takes forever, at least if I don't want it grainy.

And just judging from the renders I see posted here, a lot of people have that problem. Superfly renders are often visibly grainy.

Not to go off topic but did you know that there are external denoisers that you can use after a render? I know Intel has one and Nvidia has one too that works on any image rendered with any graphics card.

(the following copied from another post by 3DOutlaw):

1. Intel has a new denoiser library: https://openimagedenoise.github.io/ (looks like this was mentioned by @Apuat in passing a while ago, but got little notice)

2. A college student* in the UK wrote a Command-line front end about 2 weeks ago: https://github.com/DeclanRussell/IntelOIDenoiser/releases

Grab the Zip file from the link in #2 above, and extract it to a folder

Open a command prompt (cmd) and navigate to the folder where the denoiser.exe is, and follow the instructions For example, the command line example to do the above was: Denoiser.exe -i "C:UsersusernameDesktopDenoisercamera2.jpg" -o "C:UsersusernameDesktopDenoisercamera2a.jpg"