The author who painted with the help of a camera obscura is

The author who painted with the help of a camera obscura is Nicephorus Niepce.

Chamber obscura phenomenon:

Documentary records show that as early as the 5th century BC, the Chinese philosopher Mozi had proved that the shadow does not move on its own, but it moves with the movement of objects or light. move. He was probably the first to discover the phenomenon of the camera obscura, in which light entering a darkened room through a small hole presents an inverted image of the scene outside on the surface behind the hole.

Awareness of "camera obscura":

Around the mid-17th century, people realized that draftsmen could observe images projected on translucent windows outdoors with the help of cameras without entering the room. . As true portable camera designs took shape, some were disguised as wine glasses or small writing desks, and others were closer to cameras used by the inventors of photography a century and a half later.

In the 18th century, the camera became a common tool for painters, but it is difficult to know how and why they used it. It seems that most painters used it as a crutch rather than a method of exploration. Exploratory painters of the time might have used cameras to observe the world and learn from it, without having to incorporate machines into their subject matter.

The above data comes from Zhihu.

The method and verification of "camera obscura painting":

The method of "camera obscura":

This method is to use a camera obscura to assist in painting, which is just like our children. When you are done, cover the drawing with a thin piece of white paper, and then draw the same trace through the white paper. In this way, drawing becomes much easier. Many praises for those painting masters are based on "free hand" and "naked eye". If this idea is verified to be true, then this will be a subversive blow to those great masterpieces of the past.

Verification of "camera obscura painting":

David Hockney has sorted out almost all paintings in the past 500 years and conducted detailed analysis to find out whether there is any use of Traces of optical aids. After extensive research, David Hockney confirmed that between the 16th and 19th centuries, a large number of painters used optical instruments to assist painting.

Among them are masters such as Giorgione, Van Dyck, Vermeer, Dürer, Chardin, Ingres and Bouguereau, who are even known as one of the three masters of the Renaissance. Raphael was also confirmed to have used the camera obscura technique. Another Renaissance master, Leonardo da Vinci, David Hockney is sure that he saw the Mona Lisa in the camera obscura, but he is not sure that he used the camera obscura to assist in painting.