| DepthOfField | 
| BackBlur | Should we blur what's behind the focal point? | 
| BlurSize | How blurry to make stuff that isn't in focus. | 
| FocalDistance | How far away from the camera to focus in world units. | 
| FocusRange | This modulates how far is the blur to the image. | 
| FrontBlur | Should we blur what's ahead the focal point towards us? | 
| Render |