Originally Posted by
DanK
I can't see how that would work for bug macros. For bouncing to work well, one needs a reasonably neutral surface, like a ceiling, off which to bounce. That surface then functions as the light source. One almost never has that in doing bug macros. Often, the flash would be pointed toward the sky, in which case you would be using ambient light, not the flash. Other times, it would be aimed at irregular green and brown foliage, which wouldn't reflect that much and would add a color cast.
I've been doing macro for a long time, and I can't recall ever seeing macro shots done with bounced flash. If you have some, I stand corrected.