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Description
This came out as part of test renders for work, and trying to get glass to render faster.
Results from testing:
- Refractive Caustics makes almost no difference and adds so much noise - turn it off. (if you have only couple of glass objects and they r the focus of your scene, leave it on! After alot of render time it looks more realistic)
- Its faster to render bigger with lot less samples and scale it down to get rid of noise, compared to render with alot more samples to get the same result.
- Clamp Direct and Indirect at 5 you still get the highlights but no firefly's.
- Do couple of low res renders to see what is the lowest amount of Bounces you can get away with. I ended up with Max:12 Min:6 (for you it maybe be different)

Samples: 400
Render time: started with ~4h, ended up with: 26min
Tools: Blender 3D(Cycles render engine), Photoshop final compositing.

Description
This came out as part of test renders for work, and trying to get glass to render faster.
Results from testing:
- Refractive Caustics makes almost no difference and adds so much noise - turn it off. (if you have only couple of glass objects and they r the focus of your scene, leave it on! After alot of render time it looks more realistic)
- Its faster to render bigger with lot less samples and scale it down to get rid of noise, compared to render with alot more samples to get the same result.
- Clamp Direct and Indirect at 5 you still get the highlights but no firefly's.
- Do couple of low res renders to see what is the lowest amount of Bounces you can get away with. I ended up with Max:12 Min:6 (for you it maybe be different)

Samples: 400
Render time: started with ~4h, ended up with: 26min
Tools: Blender 3D(Cycles render engine), Photoshop final compositing.