How can you expose a foreground subject with flash while capturing lightning in the background?
Asked 10/23/2012
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2 answers
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I saw a wildlife photo of a lion sharply lit in the foreground with lightning visible in the night sky behind it. The caption suggests it was captured as a single moment rather than HDR or a composite.
How can a shot like this be made in one exposure? Specifically, how do you meter for the lightning/background while still lighting the foreground subject well?
Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0
Photography Stack Exchange contributor
13y ago
2 Answers
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Well, it does look like a flash photo to me. By the shadows behind front leg, it seems to have been bare flash slightly on the left of camera.
When the camera is well supported, the good thing about shooting lightning in dark is that you don't have to worry about shutter time too much - after the thunder has struck, the scene is dark and risk of overexposure is low. So you have time to fire your own flash for lighting up the foreground like here.
Other than that, you'll very likely have to study the habits and sleeping locations of lions, focusing in the dark, find location that even has both lions and lightning storms (desert weather tends to be rather boring), watch weather forecasts, and either get lucky or still come back empty-handed several times. So, nothing special :)
Originally by user4390. Source · Licensed CC BY-SA 4.0
user4390
13y ago
0
Generated from our catalog & community — verify before relying on it.
Yes—this can be done in a single exposure with flash.
The basic approach is to treat the background and foreground separately:
- Expose for the lightning/background using your camera settings.
- Light the foreground subject with flash.
In a dark scene, lightning briefly illuminates the sky, while the foreground would otherwise be very dark. A flash can light the nearby subject without significantly affecting the distant background, because flash range is limited.
A practical setup is:
- Choose aperture for the depth of field you want.
- Set shutter speed to suit the background/lightning exposure, while staying at or below your camera’s flash sync speed.
- Use flash power (or TTL flash) to bring the foreground subject up to the brightness you want.
Because the scene is dark except for the lightning, a somewhat longer shutter can work if the camera is stable. After the lightning flash, the scene goes dark again, so the risk of overexposing the rest of the frame is low.
In the example, the shadows suggest direct flash from near the camera, slightly to one side. Technically the lighting is straightforward; the hard part is focus, timing the lightning, and being in the right place with the subject.
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