You will learn one way to create the timing for lightning. You will find that one or two pictures of something flashing in a scene is almost impossible to see.
Why Is This Important?
This special effect is a great experiment in how few pictures are needed to impress the human eye with an image. One picture of a lightning flash is too fast, and four are too many, Experiment with durations the bolts are on the screen. People have different opinions on what is ideal. Here we've given you a starting point with the timing, so you can decide for yourself.