Synchronizing electronic flash with ambient light is an extremely powerful technique in photography to control the look of your images. Flash can fill in dark shadows, freeze motion, and add amazing pop & drama to your photos. It seems, however, that many people have a hard time figuring out how to control this technique. After a few shots with uncontrolled blown out flash, many aspiring photographers just figure flash is hard, ugly, and not worth the bother. Too bad, because correct flash technique can really save the day in difficult lighting conditions, and once you understand how it works, it's really easy to get exactly the results you are looking for. This article does the best job I've seen lately in explaining all the details of how to get your flash under your command. It's well worth the read. http://cornicello.com/itfigures/shutter-speed-with-flash-or-strobes
