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Wat is HDR?
Kamera Express
What is HDR?
With HDR photography, you can increase the dynamic range of your photos — HDR stands for High Dynamic Range. This ensures that every part of your image is properly exposed, creating a result that looks closer to what you see with your own eyes.
What is dynamic range?
A large dynamic range simply means that there are more nuances between black and white. This is especially useful in situations where the contrast between dark and light areas is very high. A camera has a limited dynamic range, especially when compared to the human eye. You may have noticed that when photographing in bright sunlight, shadows can become completely dark and lose detail, while your own eyes can still see those details clearly. This happens because dynamic range depends on the sensor inside the camera. For example, a full-frame sensor generally performs better in this area than a crop sensor.
How do I take an HDR photo?
With an HDR photo, you go a step further than what is possible with a single “normal” image. To achieve this, you take multiple photos that are identical in composition but differ in exposure. In the photo with the longest exposure, you will notice that the shadows are properly exposed, while the highlights become overexposed and lose detail. On the other hand, the photo with the shortest exposure will retain much more detail in the brighter areas of the image. However, the shadow areas in that photo will appear too dark. The photos you take for an HDR image are merged into a single photo, where only the correctly exposed parts of each image are used. Any underexposed or overexposed areas are therefore excluded. The more photos you take — and the more exposure steps there are between the darkest and brightest image — the better the final result will be. Take at least three photos, but preferably five or seven.
Automatic Exposure Bracketing (AEB)
Many cameras today include a feature called Automatic Exposure Bracketing (AEB), which makes the process much easier. With this function, you select three different exposures, and the camera automatically takes all three shots in quick succession with a single press of the shutter button. On your camera, you can set how large the difference between the exposures should be. This gives you one “neutral” exposure, one underexposed image, and one overexposed image. For example, you might choose a difference of one stop between the photos. If the situation requires it, you can of course adjust this by choosing a larger difference, such as two stops between each photo.
