Add a Spark to Your Lighting With Gels

Natural and or existing light can be and is often very dramatic. However, the problem with natural light is you can't control it very well. Using shade, or a reflector, or some kind of diffuser gives you some limited ability to alter the light, but over all you are pretty well stuck with what nature gives you. Speedlites provide an alternative and versatile source of light, but even those have limitations. I do enjoy using speedlites and in recent years have turned to them more and more as a way to shape the light around my subject. What is exciting about speedlites is their ability to add color to your images thru the use of Gels.

Gels are simply thin transparent plastic sheets that fit over the head of the speedlight. They come in all colors but generally they are used to add warm or cool light to your image. Although they are relatively inexpensive to purchase, you can make your own quite easily. I have used colored, clear plastic document protectors cut to fit my lights. They work great, however the ones you purchase probably do have a more precise color cast to them.

One drawback to using gels is they will often reduce the power output of your lights. Depending on which ones you use and how many are stacked together, you can lose as much as a full stop of light output. This is easily overcome with some simple exposure compensation.

The best use of gels is to use them in such a way you do not realize they are there. A subtle cast of warm light or a gentle cooling effect is often all you need. Most of the time it is best to use them to enhance colors that already exist. The image above is a good example of this. Taken at the Corvette Cafe, we discovered lots of natural occurring bright colors as part of the 1950's diner experience. To create the image I used four speedlights and one 20x30 softbox. One of the lights was placed in the right hand corner of the cafe and used a pale blue gel which helped to enhance the chrome along the diner counter and provided a gentle rim light around our model. It also matched her dress. A pale blue light like this can often liven up dark corners and add a sense of cheeriness to the atmosphere. In the corner directly behind our model a light with red gel was used to fill in another dark space and to provide a matching contrast to the various red splashes found in the cafe. The gelled lights were set to a low power output to prevent overwhelming the image yet they added to the flavor of the scene. They looked like they belonged there and offered a subtle, pleasing effect.

There are times you might want to go for broke and use a strong color to add drama to your image. Bold colored gels can often transform an ordinary look into an image with a great deal of drama. The image below of the classic T-33 / F-80 Shooting Star is a good example. Taken just after dusk, I basically killed all the ambient light with the exposure settings and then built a bubble of light around the aircraft bouncing it off the tarmac so the airplane would define itself within that bubble. The bold nature of the light created a powerful look and transformed this wonderful static display into an image that jumps off the page.

Using Gels can be an exciting way to spice up your images. Used creatively you can turn what might be an ordinary picture into an image with a spark of excitement, one that generates an emotional response. The trick is to make it look like it belongs there.