photographic films

What Makes The Film Sensitive To Light?

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What Makes The Film Sensitive To Light? The sensitive elements in the film are crystals of, most often, silver halide which can change their structure when excited by light (photons). … When a photon of light strikes a grain it dissipates its energy in the crystal (grain). This energy may or may not be enough

Did Old Cameras Use Silver?

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Did Old Cameras Use Silver? The earliest practical photographic process was the daguerreotype; it was introduced in 1839 and did not use film. The light-sensitive chemicals were formed on the surface of a silver-plated copper sheet. … It was made from highly flammable cellulose nitrate film. Is there silver in digital cameras? What metals do