Before 400 BC, there was a record of pinhole imaging in Mo Jing's Mozi. 13rd century, made? 6? 7? 6? Using pinhole imaging principle to make image black box in Europe, people walk into the black box to watch the image; 1550, Italian Cardano lenticular lens is placed in the original pinhole position, and the image effect is brighter and clearer than that of the black box; 1558, Italian Baltic barrow installed plusaperture in cardano, which greatly improved the imaging clarity; 1665, German friar John Zhang made a small portable single-lens reflective image black box, because there is no photosensitive material, it can only be used to draw this black box.

In 1822, the French Nipps took the world's first photo on the photosensitive material system, but the image was not very clear and required eight hours of exposure. In 1826, he secretly took a photo with photosensitive asphalt coated on a tin-based plate.

Before 400 BC, Mozi recorded pinhole imaging in Mo Jing. /kloc-in the 0/3rd century, an image black box made by pinhole imaging principle appeared in Europe. People walked into the black box to watch images or paint landscapes. 1550, the Italian cardano put the lenticular lens in the original pinhole position, and the imaging effect is brighter and clearer than the black box; 1558, the Italian Barbaro added an aperture to the device in cardano, which greatly improved the imaging clarity. 1665, John Zhang, a German monk, designed and made a small portable single-lens reflex camera box, which could only be used for painting because there was no photosensitive material at that time.

1822, the Frenchman Niepce made the world's first photo on the photosensitive material, but the image was not clear and needed eight hours of exposure. In 1826, he took a photo through a black box on the tin floor coated with photosensitive asphalt.