Different levels of photography require different levels of understanding and skill. A "press the button, let George do the rest" photographer needs little or no technical knowledge of photography. A zone system photographer takes more responsibility. He visualizes before he presses the button, and afterwards calibrates for predictable print values.
Minor WhiteThe reason why we want to remember an image varies: because we simply 'love it,' or dislike it so intensely that it becomes compulsive, or because it has made us realize something about ourselves, or has brought about some slight change in us. Perhaps the reader can recall some image, after the seeing of which he has never been quite the same.
Minor WhiteThe photographer projects himself into everything he sees, identifying himself with everything in order to know it and to feel it better.
Minor White