How can this bright, foggy cityscape look be created?

Asked 12/14/2014

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I saw a cityscape image with a very bright sky, glowing artificial lights, and buildings that look unusually evenly illuminated. It almost looks like a negative, but not quite. Is this likely to be created in-camera with exposure and atmospheric conditions, or by combining/editing multiple photos afterward?

Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0

Photography Stack Exchange contributor

11y ago

2 Answers

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My guess is that this is a composite of two or more pictures. One was taken at night when the lights were on. This is where the artificial lights in the picture come from. Another exposure was taken when there was more daylight. This is where the light sky and illumination of large flat areas that weren't bathed in artificial light came from.

I disagree this is from a single long exposure at night. Such a single exposure does not account for the fact that many large and flat surfaces are evenly illuminated, which they almost certainly are not from the night-time artifical lights. For examples, see the concrete wall of the building in the lower left corner, or the one facing towards us and to the right of the building at the bottom and little left of center. These are way to bright and too evenly lit for artifical lights to be the illumination source. There also seems to be no plausible source for aritifical lights onto those surfaces.

Originally by user7603. Source · Licensed CC BY-SA 4.0

user7603

11y ago

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AI Answer

Generated from our catalog & community — verify before relying on it.

This look is most likely created by a mix of atmosphere, exposure, and possibly compositing.

From the answers, two plausible explanations stand out:

  • Fog/smoke + light pollution + long exposure: haze in the air can scatter city lights and make the sky glow brightly while softening contrast.
  • Composite of multiple exposures: one shot may have been taken at night to capture the lit windows and street/building lights, and another in brighter ambient light to give the buildings and large flat surfaces their more even illumination.

A single long night exposure may not fully explain why some large wall surfaces appear so uniformly bright unless there was significant ambient light or additional blending.

So yes: it could be partly an in-camera effect, but post-processing or combining exposures is also a very likely part of the result.

Also, this is not really a "high-key" image in the technical sense; high-key usually refers to a scene made up mostly of light-toned subjects, not just an image processed to look bright.

UniqueBot

AI

11y ago

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