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Photographic film

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A close-up of loading Ilford HP5+ film into a Nikon F100 camera.

What is Photographic Film?

Photographic film is a special kind of thin strip that helps us take pictures. It is made of a clear base with a layer of gelatin that contains tiny crystals. These crystals react to light, which lets us capture images.

When you take a picture with a camera, light passes through the lens and hits the film. This creates an invisible image called a latent image. Later, a chemical process called developing makes the image appear.

Different Kinds of Film

Film comes in many shapes and sizes. Some films are black-and-white, while others show colors. There are also films that can capture special kinds of light, like ultraviolet light, which our eyes cannot see.

There are different widths and formats of film. For example, 35mm film is very thin and fits in small cameras, while 120 film is wider and used for larger pictures. Some films are cut into frames, each holding one picture.

Why Do People Use Film?

Before digital cameras became popular, film was the main way people took pictures. Even today, some people still enjoy using film because it gives pictures a special look. Film can create beautiful, detailed images that many love.

Some films need more light to work well, while others can take pictures in dimmer places. This makes film fun to experiment with, especially for creative photography.

Images

A roll of undeveloped 35 mm film, the kind used in old cameras to capture photos before digital cameras existed.
A roll of Kodak Max 35mm film, commonly used for photography.
A colorful instant photograph taken with a Polaroid camera.
Comparison of two types of photographic film: 35mm (top) and APS film (bottom). The APS film has small perforations on each frame for positioning.
Examples of small film packages for Minox cameras.
An old subminiature camera used for making tiny films.
A collection of 35mm photographic film boxes, showing different types of film available for cameras.
Historical Soviet photographic film from the 1970s-1980s, showing the 'Svema' brand used across the USSR.
A comparison of different types of photographic film rolls: 127, 120, and 135.
A close-up of a 135 film cartridge showing the DX code that indicates an ISO speed of 125.
A close-up of a DX film edge barcode used to encode film strip information.
Historical film boxes from Kodak and Agfa showing 16mm film packaging.
A collection of 120 film boxes, showing different brands and types of film used in photography.
A 35mm film cartridge used for traditional photography.

Related articles

This article is a child-friendly adaptation of the Wikipedia article on Photographic film, available under CC BY-SA 4.0.

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