What does "movie" mean?

Film refers to a kind of film made into image materials.

Movies? , is a kind of material made into images. Now the widely used film is coated with silver halide on the basis of polyacrylate film. This kind of film is soft and easy to roll into a whole roll, so it is also called film. When the light shines on the silver halide, the silver halide turns into black silver, which is fixed on the master after the development process and becomes a common black-and-white negative.

Color negative is coated with three layers of silver halide to show three primary colors. In addition to negative films, there are also positive films and primary imaging films. In the early days, glass was used as the film base. /kloc-in the late 20th century, the technology of plastic industry was mature, and pressed plastic sheets replaced glass as the base.

Extended data:

Main classification

1, negative

Negative film is the most common kind of film, and the same reverse film belongs to shooting film, which is the photosensitive material used by photography and film to obtain negative images. Its principle is to expose and develop the negative image with brightness and tone opposite to the original scene to obtain the film of the negative image of the subject, which can be printed into photos, slides or slides through the process of developing or enlarging.

2. Photosensitive type

There are black and white film, color film, infrared film and X-ray film. Color films are divided into sunlight films and lighting films according to the color temperatures of different light sources. If you shoot the scenery in the sun with a daylighting film, the color of the photo will be blue, otherwise it will be yellow.

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