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Introduction to the imaging process

Elizabeth Allen

All images © Elizabeth Allen unless indicated.


The second half of the nineteenth century saw the progression from early experiments with light-sensitive compounds to the first cameras and photographic films becoming available to the general population. It developed from the minority use of the camera obscura as a painter’s tool, through the first fleeting glimpse of a photographic image in a beaker containing silver compounds after light exposure, to the permanent rendering of the image, and then to the invention of the negative–positive photographic process used today to produce an archival image. A camera using roll film, the Kodak, was available to the public ...

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