Entertainment / Photography / Halation: Diffused ring of light typically formed around small brilliant highlight areas in the subject. It is caused by light passing straight through the emulsion and being reflected back by the film base on the light sensitive layer. This records slightly out of register with the original image.
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Health / Disease / Inhalation: The act of breathing. A hazardous substance can enter the body this way [see route of exposure]. MORE
Entertainment / Photography / Antihalation Backing: Dye used on the back of most films capable of absorbing light which passes straight through the emulsion. In this way it reduces the amount of extraneous light that can be reflected from the camera ba MORE