If the photographer succeeds in reflecting the exterior as well as interior world, his subject appear as “in real life.” In order to achieve this, the photographer must respect the mood, become integrated into the environment, avoid all the tricks that destroy human truth, and also make the subject of the photo forget the camera and the person using it. Complicated equipment and lights get in the way of naïve, unposed subjects. What is more fleeting than the expression on a face?