What impact did the birth of photography have on the painting world?

The significant influence of photography on painting can be seen from the following aspects:

1. The contrast between light and dark of the object represented by the camera.

2. Free composition.

3. Abbreviation of background description.

These are all based on 1. The scientific attitude adopted by the Impressionist painters towards the nature of light; 2. The flat far and near method; 3. Unaccustomed angles; 4. The clear treatment of the picture side, etc. Show it.