Flash photography: How far can you bounce your flash?

The question regularly comes up: how far can you bounce your flash? The answer is quite straight-forward: It depends on the power of your flash, the bounce distance (and surfaces), ISO and aperture. Power, distance, aperture and ISO - the four things that control flash exposure. Yup, we can't really escape this. So how far can you bounce your flash? It depends on how far (and reflective) the surfaces are that you are bouncing your flash off; as well as how high you're willing to take your ISO and how wide you can take your  Read more inside...