Knowing Light. Lighting set-ups (IV)

Missed part III? read it  here.

Let's continue with more light set-ups.

Rim Lighting. If the Key light is placed behind the subject only the outline will be illuminated leaving the subject in shadow. It is used to create silhouettes and express a sense of mystery and intrigue in a very artistic way. You can choose to soften the effect by placing a Fill light or a reflector in font of the subject. Rim lighting is very often used in conjunctions with more lights because it helps to separate the subjects from the background and to highlight hair.

Back lighting. When the rim lighting is not that extreme we have a light set-up which is especially used for translucent objects like bottles and glasses. The key light is normally doubled: two lights of equal power are placed on both side of the subject. You can either choose to light directly the subject or bounce the light with a white background. In both cases you have to be careful with light spills: to prevent this you need to use flags and lens hood.

High key lighting. This set-up is characterized for very bright mid tones, intentionally blown highlights and very few shadows. The key light is positioned on one side of the subject at 45º, while the fill light in the opposite side at the same degree. The background has to be white and illuminated by two background lights of the same power.

All these lighting set-ups are really variations of the triangle set-up we seen in this post. These are the basis but you have to feel free to add or remove lights, change positions, directing the subject towards one light or another and move around: you'll see how light and its effects change by doing so. This is the best way of learning to master light: practise and experiment.

Knowing Light. Lighting set-ups (I) The basis.

Unlike natural light, artificial light can be controlled to our discretion in every way: direction, intensity, angle, colour... When in a studio, you have infinite options to light a subject; there are photographers who only light with one lamp, others use 6, 7, 8 different lamps. There's not really a rule to decide the number of light points to use: what is important is getting the illumination and shadows you wanted with a light setting you are comfortable working with. 

If you are getting started to studio light, it may help you to know that there are some basics lighting set-ups most of photographers work with. But before explaining them it is essential to know the types of light yon can employ in a studio.

Key light. It gives the direction of light and the level of luminance of the scene (it's the most powerful lamp lighting the scene).

Fill light. It is used to fill up the shadows and reduce contrast. It may fall all over the scene or just on a part of it. It can be replaced by a reflector bouncing the key light.

Rim light. It is positioned behind the subject pointed to the subject's back. It separates the subject from the background creating a halo around the subject's outline.

Background light. As it name suggests, it lights the whole background or some small parts of it we want to emphasize.  It can be also used for creating patterns of light on a Cyclorama. 

Hair light. Similar to rim light but positioned higher and pointed to the hair highlighting it.

Texture light. Positioned on one side of the subjects. It is a must in fashion photography  because it reveals texture and the nature of the material.

Colour light. A frontal light which helps with colour saturation.

Now that you know the basis you are ready for the following step: how to position them. So stay tuned for the next post!