Sometimes I like a black background because it helps to isolate the subject -very handy in situations where the background might ruin the shot because theres just too much going on. But what about those situations where you want to show the subject in its natural environment? When shooting close-ups its easy: Just set you camera to shutter or aperture priority and use a little flash for fill (about -1 1/3 to -2 FEC). The range of exposures will be limited by the amount of natural light and the ISO you want to use, but youll get even lighting throughout the frame.But what if you dont want to be limited by the available light? What if yo...