|Marlene Dietrich, source Pinterest|
If the model is looking right at you, you need to have the light on an extension arm so that the light pole isn't blocking your line of sight. The diffusion on the key light can vary depending on the effect you want. Sometimes you need a softbox or a reflector as a fill light to reduce the harshness of the shadows.
|Paramount or butterfly lighting off-angle Source: Zealfaith|
It's still Paramount lighting if the subject is looking off to the side. Paramount lighting emphasizes the cheekbones and can be both flattering and dramatic.
Question for discussion: Do any art schools teach courses on lighting for artists? It seems like a basic thing all artists should know, but in my experience, photographers know this stuff, but most artists don't.
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