What is the development process of pinhole imaging?

/kloc-At the beginning of the 6th century, Italian painters invented a "camera box" based on the principle of "pinhole imaging". Famous painter da? Finch wrote it down in his notes. He wrote: the light passes through the wall of a darkroom smaller than L and forms a reflection on the opposite wall. Of course, it can only be projected, and the projected image should be described with a pen. Then, someone improved the "photographic black box". For example, adding a concave lens makes the inverted image become an upright image, which looks much more comfortable; Add a flat mirror with a 45-degree angle to make the picture clearer and more realistic. At this time, although the "photographic camera box" has some characteristics of a camera, it can't be called a camera because it can't record images.

It was not until the middle of18th century that people discovered that photosensitive materials, especially silver iodide, were developed in Damel, as if an extremely effective oxytocin had been injected into the camera. Thus, the first real camera in human history was born. It installed Damange's silver disk on the "photographic black box". The advent of the camera caused a sensation in the world. Many high-ranking officials asked to take their own portraits, even if taking one at that time seemed to be punished. Early cameras were bulky and inconvenient to carry. If you want to choose good weather for taking pictures, you must let the photographer sit in the camera for about half an hour at noon on a sunny day. The privileged nobles had to endure this pain patiently in order to keep themselves in the world forever. The emergence of new things will certainly have a certain impact on the world.

1858, a pistol-type rubber camera was invented by Skoff in Britain. Because the lens has a large effective aperture, you can shoot as long as you pull the trigger. Interestingly, once, Queen Victoria held a grand banquet at the court and invited envoys from all countries. As a reporter, Skov was also invited to attend the banquet. When Skov pointed the camera at the Queen to take pictures, he was thrown down by the swarming guards, and the order of the venue was chaotic for a while. Afterwards, the guards realized that the "murder weapon" turned out to be a camera. After that, with the further development of photosensitive materials and photography technology, the camera has been continuously improved.

1946, Rand and Paulin invented a new camera. This kind of camera can "image at once". Specifically, after the shooting is completed, it takes only a few tens of seconds, and a photo will slowly "spit out" from the camera.

There is no end to the development of science. I believe that in the near future, there will be more amazing camera inventions.