User guide

KeylightThe Foundry
TUTORIAL
39
Tutorial 2: Fine Tuning a Key
4. Finally, if you look closely at the composite you will see a tiny amount of
blue spill on the woman’s hand and in her hair. This was from reflected
light from the blue screen. By increasing the Despill Bias to 18 we can
remove it. Use the Comparison Buffer to see the difference.
Figure 69. Final Composite