Using light – creative fun…
Many photographers assume light is passive in the scene. I get really excited about working light. You can use two methods, modify or add light. Diffusers and reflectors are powerful modifiers to manipulate light. To add light you can use flash or continuous light sources. I want to expand on modifying light.
Modifying any light
You can use a modifier of any kind to change light and make it illuminate your scene the way you want. Light modifiers can include the use of gels, softboxes, and all manor of diffusers connected directly to the light source. However, reflectors and diffusers can also be free standing. Free-standing diffusers can be used to change the light from a natural source or an artificial one. However, remember that light falls off to a quarter of its intensity each time you double the distance from the source. Using a diffuser at a distance from an artificial source is going to significantly reduce the light intensity compared to using it at the source.
Using free standing diffusers and modifiers
I have previously written about table top still life photography and using modifiers. I mentioned that you can use white card as reflectors to bring light around the back of a table top subject. You can also use diffusers to reduce the natural light from a window. I use net curtains. The point is that actually there are a range of modifiers in you home and other places near at hand. Here are some simple household items I have used…
- Diffusers: Net curtains, white blinds, paper, tissue paper, greaseproof paper, tracing paper, plastic bottles and containers frosted glass, drinking glasses, acrylic glass, white bed-sheets…
- Reflectors: white walls, towels, card, silver paper, silvered insulation block, mirrors, white plates, white bed-sheets, white boxes, a slide projection screen, various white materials (cotton, nylon, wool)…
You might ask why I use such a wide range of different things as modifiers. That is a crucial point. Each and every one of those items in the list have different properties. For example reflectors with very course surfaces have very soft reflections indeed – towels are an example. A large sheet of white paper can be used as both a reflector and a diffuser in different ways and it has different properties too. People often don’t realise that light coming through glass is reduced by anything up to 40%. It is also scattered. So plain, see-through glass can actually be used as a diffuser and light reducer – depending on the properties of the glass. Frosted glass is an even better diffuser.
More after this…
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Most of these different materials and objects can be used by stretching them out, hanging them up or propping them up around or near your subject. All of them have a different impact on the final image. Some of the materials are better for table tops. Others are better for hanging and using for say, portraiture.
It is the properties that count
Modifying light is NOT about buying expensive equipment. While it is nice to have great tools for the job, for the photography enthusiast there are lots of other ways of getting a great result. Amateurs, enthusiasts and beginners alike can benefit from thinking about how the light is changed rather than by which equipment. It is the end result that is important, not the method or equipment used to do it.
Look for different properties and how to use the modifiers
In the video Mark Cleghorn shows us how to use a range of professional diffusers and deflectors. I would like you to think about the different properties of each of them. He shows us silvered ones, a semi-diffuser/reflector and lots of ways to use reflectors. He also makes various points about the way to use both reflectors and diffusers. The different properties have an impact on the shot – including light intensity, colour and reflective type. Overall Mark is showing us a variety of different types of modifying properties and how to use them.
You can use this knowledge to think about the things you have around the house. Once you have used something to modify light a few times you will have a knowledge of the type of light it creates. Then, you can experiment with other objects and materials. After a while you will develop a feel for creating different types of light for your various subjects. Becoming a master of light is about knowing what you can do with the materials at hand.
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