How to make an HDR photography
Tutorial to learn how to make an HDR photography
In this tutorial we will see what an HDR photography is and how to use bracketing.
What is an HDR photography?
An HDR (High Dynamic Range) photo allows a very wide dynamic range, as its name suggests. Its goal is to maximize details in the shadows and highlights.
How to take an HDR photography
We will have to use a rather specialized photographic technique called: bracketing.
The purpose of bracketing is to take several shots of the same subject under different exposures from very dark to very light.
The dark underexposed photos will give us a lot of details in the clear parts. The light overexposed photos will give us a lot of details in the dark parts.
Take an HDR photography using bracketing
It is then preferable to perform bracketing by varying the shutter speed, and not the opening of the diaphragm, because by varying the opening of the diaphragm the camera will change exposure by changing the depth of field between each photo, and you will run a risk of blurring and an impossibility of merging.
So we will now choose the number of photos to take and the interval of EV (Exposure Value) between each exposure.
The bigger a gap there is between the shadows and the highlights, the more you will push your bracketing further. (-3, -2, -1, 0, +1, +2, +3,) EV.
The number of photos to take also depends on each situation. It will sometimes be necessary to take a higher number of photos in order to have an extremely wide dynamic range.
You will see now an HDR photography done with a three-photo bracketing below.
The first photo is underexposed. So it retains the detail of the light areas of the sky.
The second photo is exposed normally.
The third photo is overexposed. It keeps the details on the right side of the photo which would otherwise be too dark.
How to take an HDR photography: Creating HDR photos in software
Now that we have finally learned to take an HDR photography with different exposures, we have to merge them. To do this we need to use specialized software in HDR photography processing software such as Lightroom or Photoshop to obtain beautiful photos. [Click here for full lessons on Lightroom.]
It is now up to you to create your own style and desired renditions. Many photographers push the HDR to the maximum, which gives an almost unreal rendering. If this is not your wish, then remember one thing:
don’t push the sliders too hard.
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Have a nice photoshoot!