Skip to main content

Portrait technique: shoot a creative starburst environmental study

Peter Fenech
Before: Prior to stopping down, street lights appear as ‘blobs’ of light within the image and fail to have the creative impact we desire for this image (Image credit: Future)

Low light shots in towns and cities offer a multitude of creative opportunities and exposure challenges in equal measure. High contrast between the dark environment and bright artificial light can make calculating exposure tricky. However, this contrast allows artistic use of very defined points of light, such as car headlights and street lamps, to produce photographs with added interest. A popular technique is to use the diffractive properties of very narrow aperture settings to render these lights as eye-catching ‘starbursts’, which can be used to create images with a dreamy, fairytale atmosphere.

More: What is exposure?

This ‘look’ is applicable to any low-light urban landscape, where the photographer is aiming to create shots with a difference - this effect is not something we see with our own eyes, so it easily draws and holds a viewer's attention. Without the proper use of f/stop, lights will remain diffused bright areas, devoid of form and structure, which does not suit every composition. 

By varying aperture, the extent of the diffraction of lights can be controlled, altering the effect strength, while focal length changes the size of the lights within your composition. With the correct subject matter and a subtle balance of effect strength and environmental interest, this technique can breath life into otherwise flat and dull scenes. 

1- Select aperture-priority mode 

(Image credit: Future)

Set A (or Av) mode from your camera’s main shooting mode dial which will allow you to control f/stop while the camera monitors shutter speed for exposure. Set ISO 400 as a base setting from which to work.

2-  Use a tripod

(Image credit: Future)

Due to the need to utilise a small aperture to create the starburst effect and the low ambient lighting, a tripod is recommended to keep images sharp. Try test compositions before affixing your camera

3- Stop down the aperture

(Image credit: Future)

Use the camera’s control dial to set a narrow aperture. Start at f/16 for a balance of effect and diffraction blur and only go to f/22 or beyond if you need a stronger, more defined effect on your lights 

4- Adjust your exposure

(Image credit: Future)

We need to create good contrast between the lights and background. Underexpose slightly using exposure compensation to produce a darker, dramatic atmosphere, so the diffracted lights stand out for depth

5- Place your subject

(Image credit: Future)

Use live view to compose your image, placing your subject within your pre-arranged background. Try varying subject position, overlapping them with the lights in some shots to experiment with flare effects 

6- Shoot and review

(Image credit: Future)

The small aperture will produce deep depth-of-field, so shoot multiple images to ensure a clean background, free of distractions. Increase the f/number further if the effect is not yet strong enough.

After:  Eye-catching effect - After stopping the aperture down to f/16 or beyond, points of light turn to attractive starbursts which can contribute to an artistic, seasonal feel (Image credit: Future)

Read more

Hollywood trickery! Turn the daytime to night in-camera

Get more from your camera's built-in flash

How to capture a double exposure

Peter Fenech

Peter spends most of his day writing for Digital Photographer Magazine. See his tutorials and much, much more, from some of the best pros in the industry, by subscribing today!

You can see more of Peter's images on his portfolio or you can follow his ramblings on Instagram.