Originally Posted by LadyMischief

uhhh no.. depends on what you're shooting.. ISO is the film speed. You would use say for example 200 or 100 ISO film (or comparable digital settings) for studio or still shots... you would use 1600 ISO film (or comparable digital settings) to take pictures of say sporting events or car racing with lots of motion. WHy not look on the net or get yourself a photographer's handbook and start learning?