If you took a picture using a recent iPhone, the picture should have been taken in “HDR” … First, let’s briefly explain about HDR.
The iPhone camera can take pictures with a large difference in brightness (wide dynamic range) by synthesizing multiple images with different brightness. This feature is called High Dynamic Range synthesis and was first introduced on the iPhone 4.
This HDR composition has continued to evolve to keep pace with the camera function of the iPhone, and the iPhone XS / XS Max has become a “smart HDR” that incorporates the work of machine learning. The iPhone 11 series has evolved further to “(next generation) smart HDR” that determines the type of subject (scene detection) and finishes it to an appropriate brightness, and the enhanced iPhone 12 series has “smart HDR 3”. It came to be called.
For iPhone 11 and later models, unless you turn off the “Smart HDR” switch on the “Settings”-> “Camera” screen, it will be shot in that smart HDR. If you do not change this switch, the brightness and brilliance of the photo will be closer to the impression you see with the naked eye.
Another possible cause is the “Display in Full HDR” switch on the “Settings”-> “Photos” screen. Turning this switch off will not show the full dynamic range of a photo, even if it was taken with Smart HDR enabled. If you look at a photo with a large difference in brightness, such as the surface of the water where the sunlight reflects, you can see the difference at a glance, and even if it is not as great as with the naked eye, you should be able to clearly remember the brilliance at the time of shooting.