Name Amon First

Polaroid 2

The image is then formed from a transfer/diffusion process. For black and white films, unexposed photosensitive salts are transferred from the negative to the positive. For colour films, dyes are transferred from one layer to another. A final chemical reaction sets the image so that it can then be viewed in direct daylight.

There are two different types of film: detachable (peel apart) film and integral film.

In the first case, after exposure, the photographer pulls the film out of the camera. After a minute or so, the negative is manually separated from the positive and then disposed of.

In the case of integral films, used from 1972 onwards, the photo is directly ejected from the camera. There is no additional manual step as the negative sheet forms an integral part of the final print. The image, however, does not appear immediately and is only fully visible after a few minutes of processing.

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