|A catch light is one of the most important elements in any portrait. Amateur photographers with an eye for a subject and composition almost always fail to have an appropriate catch light, and as a result, the photo has an amateur look. The catch light adds a hint of sparkle and life to the person being photographed. When you're working with dramatic lighting patterns, having a catch light in the shadowed eye can be particularly important. To pull it off, choose a light source that will have the shape you'd like—an umbrella for a round catch light, a softbox for a rectangular catch light, a simple reflector for a pin-point catch light, etc.—and set it up at low power. If you turn up the power too much, you'll end up lighting the person, and all you want is a little sparkle.|
There are a few key portrait-lighting setups every photographer should have in their repertoire: Rembrandt, Split, Glamour and Loop lighting. These setups are like the mother sauces of French cuisine. From these four basic recipes, you can create an unlimited number of unique looks to match your subject. We're looking at each setup in its most basic form with as few lights as possible.
Rembrandt LightingOne of the most talked about and least understood lighting styles is Rembrandt lighting. Most people mistakenly refer to "Rembrandt lighting" to describe any sort of chiaroscuro effect with dramatic highlights and shadows. While Rembrandt lighting is certainly dramatic, in reality, the defining characteristic of the technique is the triangle of light on the shadowed side of the face that's visible between the bottom of the eye socket, the cheekbone and the nose.
To create Rembrandt lighting, you want to position your main light to the side and above the subject's face—about 45 degrees to the side and 45 degrees above the face. The Dutch masters used skylights in their studios to light the subject, so think along those lines. The shadow from the nose should merge with the shadow beneath the cheekbone to create the characteristic triangle. Rembrandt lighting isn't a good choice for every face. The eye, nose and cheek need a certain prominence for the look to work. Don't force it if your subject isn't a match.
Split LightingAs the name implies, split lighting splits the face like the terminator on the moon. Half the face is lit and half is in shadow. The effect can be harsh for a dramatic look, or it can be kept softer. Creating a hard split is simple to do with a hard light source. You're going for a big ratio of light to dark, but beware of blowing out the brighter highlights on your subject's face. If you're shooting with a point source, experiment with the subject-to-light-source distance to control the highlights. To soften the effect, you can use a little fill on the shadow side. A softbox also works well, as it will create pleasing soft light on the illuminated side of the face, and the line between light and shadow will be more gradual than it would if you used a hard source. Usually, an umbrella or a beauty dish wouldn't be ideal choices for split lighting because these modifiers tend to wrap the light around the subject, which isn't the effect split lighting is going for.
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