Check the data in the camera (I'm Xiao Bai)

ISO: sensitivity, the lower the sensitivity, the finer the imaging.

1100: shutter speed, needless to say.

F: Aperture, which determines the amount of light passing through the shutter per unit time.

These three are the three most important parameters of the camera, and their cooperation determines the exposure of the photo. Different styles of photos are adjusted by these three parameters to get corresponding effects. If you really want to learn this knowledge, it is suggested to find some related books or find corresponding teaching materials online.