What happens when you increase the number of samples per pixel?
Increasing the number of samples per pixel gives a less noisy image which better represents the actual scene. The images below show a comparison when increasing the number of Camera (AA) samples in a scene.
Why does my final render image have white particles all?
Because your scene is not enclosed, adjusting the size of the light might not matter to you. However, if this was inside an enclosed room, and your light had to be constrained to a certain size, I am not sure how to fix it. The above methods should be tried.
How can I increase the number of samples in the render panel?
If you use Cycles, you can simply increase the Samples in the Samples section of the Render panel: Experiment with settings of 50, 100, 200 etc. and see which produces the best effect for you. If neither of the other answers work, go to whatever your light source is in object mode.
How to avoid noisy renders in cycles?
Increase the filter glossy option (also in Render > Light Paths) if you have rough glossy materials. There are also some tricks you might be able to do with your materials, but it’s hard to say what without looking at your file. How to avoid noisy renders in Cycles? What is the Reason Cycles Creates Incorrectly Colored/Firefly Artifact Pixels?
What is the number of samples for viewport rendering?
Number of samples for viewport rendering. Setting this value to zero enables indefinite sampling of the viewport. The subpanel is only shown when using Branched Path Tracing. Number of diffuse bounce samples to take for each AA sample. Number of glossy bounce samples to take for each AA sample.
How many samples do I need to render an animation?
That depends of the final use (and the style of texturing): – when I render for a single image, in 4k resolution, I’ll use 250 to 500 samples, sometimes 600 or 700 but it’s occasional! – if I render for an animation, always in 4k, often 150 to 200 samples are enough…
What’s the default value for the render option?
Increasing the value introduces more blur, but helps prevent aliasing and reduces sharpness. This does not increase render time. It is advised to leave this setting at the default value of 1.5. Higher values will cause low resolution images to look overly blurry, but can be used for high resolution renderings.