Imaging characteristics of physical camera

It is explained by the knowledge of physics that the principle of the camera is that the object distance of the convex lens is more than twice the focal length to form an inverted reduced real image, so its imaging feature is to form an inverted reduced real image.

A camera is a kind of equipment that uses the principle of optical imaging to form an image and records the image with a negative. This is an optical instrument used for photography. In modern social life, there are many devices that can record images, all of which have the characteristics of cameras, such as medical imaging equipment and astronomical observation equipment.

After the light reflected by the photographed scene is exposed by the camera lens, the camera lens and the shutter, the photographed scene forms a latent image on the photosensitive material in the camera box, and forms a permanent image after being developed and fixed. This technology is called photography, which is divided into general photography and professional photography.