Without a doubt, shooting in low-light conditions is one of the most challenging aspects of taking photographs. I would still probably rate weddings a bit more challenging (since most weddings include some elements of low-light in addition to outdoor shots), but it's definitely near the top of my difficulty scale. With the advent of digital cameras, most SLR bodies now have the ability to allow the user to arbitrarily increase the ISO setting on the camera in order to improve the low-light responsiveness. So obviously when a photographer encounters a low-light situation, he or she can simply increase ...