What does HDR mean when it appears on Iphone photos?

HDR = high dynamic range = high dynamic range = When the difference between the brightest and darkest parts of an object is particularly large, turning on HDR in photography can overcome the shortcoming of limited dynamic range of most camera sensors and superimpose multiple photos with different exposures into one; In a word, HDR can enrich the details of the bright, dark and bright/dark parts.

How to use HDR of iphone camera:

1. Turn on the camera of iphone, and there is an option of "HDR" in the above options. Click it to enter the camera mode of HDR.

2. When taking photos with HDR, it takes a long time to take good photos after pressing the photo button. This is because HDR combines several photos with different exposure times into an optimal picture, including one with long exposure time, so it takes a long time.

3. The picture below has not been processed by HDR. You can see that the photo is not very clear, and there is too much reflection on it. After HDR processing, the light of the picture will be more uniform and clear.

4. After using HDR, two photos of the same scene will appear in the photo gallery, one is original and the other is modified by HDR. The following photo was processed by HDR. Although it looks a little softer, it is not obviously different from the first picture.

5. If you use pictures with extreme light when shooting, the effect will be more obvious, because when the light is good, the picture itself is clearer, so there is no obvious difference after using HDR. The picture below was taken when the light was dim.

6. This is an HDR version with the previous picture, which is more beautiful than the previous picture. But because these pictures are not real shots, the effect is still not good. When shooting real people or landscapes, the role of HDR is still obvious.