what is image stacking when referring to photography in post-production work?

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I’ve seen the term used for night photography.

What exactly is happening?

In: Technology

3 Answers

Anonymous 0 Comments

It’s to make a perfect picture. At this point, it’s not so much photography, as it is using a camera and computer to make art.

Why do people do it? Like I said, to make a perfect picture. Maybe it’s combining things that aren’t really at the same location, or maybe it’s because you can’t take a photo like that.

For example, we’ll use [this picture.](https://www.instagram.com/p/CCgwvgAArjp/?igshid=e153rcx9pseb) since the photographer told me how he did it.

He used three photos to make it. One was with the proper settings to capture the milky way. Two was proper settings to capture the building. Three was to capture the foreground. To capture the milky way, he would use a relatively short shutter speed to avoid having the stars leave trails. To capture the house he would use a longer shutter speed to capture the lights (which aren’t as bright as they appear. That’s a benefit of a long exposure, duller lights will appear brighter.) And then another shot but with lights on the foreground. All shot with the camera at the same place. As you can imagine, you can’t have a shutter speed of 30 seconds, and 15 seconds at the same time. There’s also other camera settings such as aperture that would be changed.

Another example would be taking a picture of the milky way, and then putting it in the background of a local landmark where there’s too many city lights to see the milky way.

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