Most cameras have a built-in flash. But much more can be done with an external flash, especially when you position it away from the camera. There are a few issues you have to solve with an off-camera flash though, such as how to actually tell the flash to fire.

Every photographer knows that feeling where they want to head out just like that and take some pictures. But often, there’s nothing to take pictures of. The model didn’t show up. Or the weather’s bad. Or it’s dark. Missed moments like this are the right moments for experiments. Today I’ll talk about one such experiment.

Photography is literally painting with light, and so no photo can come from a scene where there’s no light at all. And even low-light sites have a problem: poor exposure. What can we do to get good pictures out of bad light?