Depth of field
Depth of field is something you might already understand implicitly, even if you don't recognize the term. It's available to use in Cycles, so you might have already used it in Blender before. Depth of field is a photography term that describes how close the sharpest object in the frame will appear. So some part of the frame will be in focus (sharp) and the rest of the frame will be out of focus (blurry). We can use this effect to highlight the parts of the frame that we want viewers to be looking at. It's also an effect that happens with taking a picture in real life, so if we use it in 3D well, it can add to the overall realism of the shot. The more we can mimic what happens with a real camera with our 3D camera, the more real the shot should look. Let's add some depth of field to the shot, keeping the rocks in the foreground in focus and the rest of the frame out of focus:
- Head to Render Properties (I know, again) and scroll down to the...