Roll film

The roll film was invented by Eastman Kodak, and was the prime factor in making photography available for the common man.

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In producing roll film, photographic film is rolled onto a single wood, metal or plastic bobbin with a protective outer backing paper.

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Due to the backing paper being non-translucent, the photographer may load the film into the camera in subdued daylight. As images are taken, exposed film is rolled over to an identical but initially empty receiving bobbin. For cameras with simple advance mechanisms, most roll film formats have frame number markings printed on the backing paper, visible through a red window at the rear of the camera. When all images are exposed, the film is not rewound. Instead, the now empty bobbin is moved ready to become the receiver of the next roll of film.

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See also: film-format/">film format

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Eastman Kodak: Eastman Kodak Company is a large multinational public company producing photographic materials and equipment. Long known for its 35mm film products, Kodak has consistently increased its market share among digital camera manufacturers. According to IDC, Kodak shipped 4.9 million digital cameras in ...

Photography: Photography is the process of making pictures by means of the action of light. It involves recording light patterns, as reflected from objects, onto a sensitive medium through a timed exposure. The process is done through mechanical, chemical or digital devices commonly known as cameras....

Photographic film: Photographic film a sheet of plastic (polyester, celluloid (nitrocellulose) or cellulose acetate) coated with an emulsion containing light-sensitive silver halide salts (bonded by gelatin) with variable crystal sizes that determine the sensitivity and resolution of the film. When the emulsion is s...

Roll film related Images and Photos (experimental)

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