Body: "Photography Lighting" is the field of illumination of a subject for act of taking a picture.
Several topics in "Photography Lighting" include low light condtions, natural light, lighting for mood, best lighting for effect, setup, techniques, types of lighting.
Ansel Adams, Alfred Steiglitz are a few specialists of "Photography Lighting".
Some motivations are find the best ways to light a subject, enhance a mood, give a natural portrayal of a subject or place.