How to set up a backlit portrait camera?

1 There are two situations to make it clear whether Portrait 2 just wants a silhouette effect.

For example, in order to take a clear portrait:

The most ideal method is to turn on the flash when the distance is close, and use the global metering mode to measure the light, so that the person being photographed can be exposed normally when the sky is illuminated and can see the blue sky and white clouds.

If you are far away, use a spotlight to measure your face, because if you are too far away, the flash won't work. You can only increase the exposure to make the characters clear, but the sky is definitely overexposed.

If you have to set it manually, then the three parameters of aperture, shutter and iso should be adjusted with each other, and the ultimate goal is to increase exposure and make people clear, then the sky will definitely be overexposed.

If you want a silhouette effect:

Just click on the brightest spot and take a photo.

For example, manual setting is to reduce exposure, so that the sky is underexposed and the characters are basically unexposed.