BLACK AND WHITE FILM EMULSION
[Film Technology]
[Film Technology]
A chemical compound sensitive to light applied on the black
and white film. It is a gelatin layer
consists of silver
bromide or silver iodide known as halides. While expose as a result of a chemical change
the image will be obtained. This image is called
latent image because it is not visible. When
develop the film with special type of chemicals the molecules holding latent
image will become black coloured metallic silver.
The exposed regions will not change. In developed film the image will be
visible.
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