26 Feb 2011

The Author

Andy Lim got started in photography after leaving design college, and has given several public talks on the subject of photography. SimpleSLR Workshops Photography workshops from beginners to advanced levels. SimpleSLR Guides Author of best-selling e-book series. Photography Tips Author of useful and practical tips on GoodPhotography.info website. Emotion in Pictures Accomplished professional wedding photographer. His brand attracts clients worldwide with his unique flavor of wedding and portrait photography.

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Twilight Photography
malaysia-twin-towers-corporate-event-photography

Twilight, the Magic Hour

Photography at night can yield beautiful results, if done at the right time. This magic hour is called twilight, and it happens between 7pm to 7.30pm here in Malaysia, but this may vary depending on which part of the world you’re in. In some parts of the world, due to longer daylight hours, the sky could still be bright at 9pm!

The trick to finding the right time to shoot is to observe when ambient light diminishes and artificial light takes over. Successful twilight photography relies on a good ratio of ambient to artificial light. Ambient light is natural light from the sun (or moon). Artificial light comes from home lighting, street lamps, car headlights and tail-lights, and even your flash gun (speedlight). The diagram on the left illustrates this process in chronological order. Take note of the bar graph on the right, showing the balance between ambient and artificial light. This balance changes as the day progresses.

At 12pm (noon) the sun is directly above, creating short shadows directly underneath the objects under it. At 3pm the sun moves westward towards the horizon, creating longer shadows. At 6pm it prepares to disappear under the horizon, creating even longer shadows. Up to this point, the lighting ratio (ambient : artificial) doesn’t change much.

At 7pm the sun disappears under the horizon but still partially illuminates the sky. This is usually when people turn on the lights in their homes, and street lamps are lit. At this point, the lighting ratio dramatically changes. The amount of ambient light will match the amount of artificial light, creating a brief window of opportunity to shoot. This is the Magic Hour.

As the night moves in at 8pm, the ambient light diminishes even more, and artificial light becomes even more dominant. At 9pm, ambient light disappears completely, leaving the sky a black featureless space, and the only light source left is artificial light. At this point, photos of buildings would only reveal their lights, but not much detail in the architecture.

Twilight image of Ubud town in Bali (taken from my Bali gallery), showing streaks created from car tail-lights, shops lit up from within, street lamps and the signature of twilight photography, a rich deep blue sky:

Bali Ubud5 Twilight Photography

 

Kek Lok Si Temple in Penang, magnificently lit up at twilight (below). Taken from my Kek Lok Si gallery.

DSC 8149 Twilight Photography

Craving for more insights on how to create beautiful twilight landscapes?
Time and again, I point readers to the best-selling Landscape Photography Guide by Australian landscape photographer Kajo Merkert.


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portrait lighting with speedlights