Just as all the eye does is respond to changes in light-sensitive chemicals.

But instead of taking pictures with light-sensitive chemicals, the camera scans the check and divides each square inch into 40,000 dots.

In its pure form, it is a solid, rather light-sensitive chemical which is the half sulfate (hemisulfate) salt of N-methyl-p-aminophenol.

The light-sensitive chemicals were formed on the surface of a silver-plated copper sheet.

He is the first person known to have thought of creating permanent pictures by capturing camera images on material coated with a light-sensitive chemical.

Rhodopsin, also known as visual purple, is the light-sensitive chemical in the rod cells in the retina.

Film stock consists of transparent celluloid, acetate, or polyester base coated with an emulsion containing light-sensitive chemicals.

The light-sensitive chemicals used in photographic film and paper are silver halides.

In color photography, light-sensitive chemicals or electronic sensors record color information at the time of exposure.

Photographic paper, paper coated with light-sensitive chemicals, used for making photographic prints.