Blender Master Class

Rendering and Compositing the Spider Bot

To finalize the Spider Bot, I wanted to add color grading to the lighting (from Chapter 13), show some depth of field to communicate the robot’s small scale, and add some bloom.

Depth of field is a real-world phenomenon that happens with images seen through a lens, whether that’s a camera or the human eye. Lenses can only focus perfectly on objects that are a certain distance away from them, a distance known as the focal length. Objects outside this distance become progressively more out of focus. The effect can be subtle (even not worth bothering with) or significant. In general, depth-of-field effects are most apparent when viewing objects at small scales.

Figure 14-13. Retouching some areas of the ...