Lighting Ratios to Make or Break your Portrait: "n a previous article (6 Lighting Patterns every photographer should know) I talked about lighting patterns and how they create shape and dimensions on the face. Another factor that contributes to the effectiveness of a portrait is the lighting ratio. As a math term, a ratio is a comparison of one thing to another. The dictionary definition states, “the quantitative relation between two amounts showing the number of times one value contains or is contained within the other ”"
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