The Classic 45: How One Lighting Position Should Anchor Every Portrait Photographer's Toolkit
Every time I take on a new assistant or bring an intern into my studio here in Los Angeles, I watch where they put the key light. Without fail, they either shove it right next to the camera and wonder why the face looks flat, or they swing it so far to the side that half the subject disappears into shadow. There is a middle ground, and it has a name.