Silver halide

Silver halides are used in photographic film and photographic paper, as well as radiographic film and paper, where silver halide crystals in gelatin are coated on to a film base, glass or paper substrate.

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Silver halides Techniques Glossary Silver halides The light sensitive ingredient in photographic film and papers that is a combination of silver with bromine, fluorine, chlorine or iodine.

Silver Halide Chemical compound of silver with a halogen. Silver bromide is the principal light sensitive constituent of modern photographic emulsions. (see Emulsion) ...

Silver halide-The silver crystals that make up an image on a negative or print. When exposed to light, they create an image. Those that are not exposed are washed off, leaving either a negative (film) or positive (print) image.

silver halide a silver salt such as silver chloride, silver bromide, or silver iodide suspended in a gelatin used in photographic film production. silver iodide pale yellow oderless powder that darkens on exposure to light.

Silver halides - light sensitive crystals used in photographic emulsions, i.e. silver bromide, silver chloride and silver iodide. The change from white to black metallic silver when exposed to light.

The early silver halide- gelatin emulsions (in which the image was revealed, of course, by development) were easily solarized by overexposure.

The greater amount of reflected light from the brighter object affects more silver halides in the emulsion. The portions of the negative where the most silver halides have been affected are referred to as HIGHLIGHTS.

developer Chemical solution containing a developing agent, as well as other constituents, which acts on exposed silver halide crystals in the photographics emuslion to produce a metallic silver image.

Those who accepted digital technology did not dismiss traditional silver halide process, but simply acquired a yet another tool for creative selfexpression.

An image formed by the changes to the silver halide grains in photographic emulsion on exposure to light. The image is not visible until chemical development takes place. The invisible image left by the action of light on photographic film or paper.

A chemist would say that it was "silver halide crystals suspended in gelatin on a base manufactured by extruding heated polyester material through a slot, thus orienting the molecules.

As a result, light passes through the film, exposes some silver halide in the film, then continues through the film to the pressure plate.

If either set are silver halide prints, then Ritz's developing solution is way off. Comparing the two sets of prints, we found the white balance was not particularly good on the digital.

Natural protein, derived from animals, that's used to suspend silver halides evenly in an emulsion form on the paper and film's surface.

Silver halide: Crystals suspended in gelatin that comprise the active part of film emulsions. When struck by light (of light of a sufficient intensity) they are exposed, changing them to silver.

Using a mirror polished with silver halide, a daguerreotype uses either iodine, bromine or chlorine vapors to render an image on the silver plate.

The basic constituent is a developing agent which reduces the light-struck silver halide to metallic silver. Colour developers include chemicals which produce coloured dyes coincidentally with reduction of the silver halides.

-Developer - chemical bath containing reducing agents, which converts exposed silver halides to black metallic silver, making the latent image visible. -Development - process of converting exposed silver halides to a visible image.

Fixing: Chemical action following development to remove unexposed silver halides, to make the image stable and insensitive to further exposure.

GRAIN - Minute crystals of silver halides in the light-sensitive emulsion of film that react when exposed to light, turning black, are called "grains." (See Graininess of film.) ...

Bleach A chemical bath to convert the black metallic silver that forms a photographic image into a compound such as a silver halide, which can then be dissolved or dyed. Bleach is used in toning and in many colour processes.

Emulsion: A light sensitive coating on photographic film and paper. An emulsion is made up of silver halides and gelatin.

Each of these layers is completely covered in film grains made from silver halide crystals in a random arrangement. Resolution on film is limited to the size of a grain much as it is to the size of a pixel with digital.

atmosphere, and drama; to illuminate the story; to separate planes; to suggest depth; to direct attention; to reveal character; to convey time of day; to enrich and, occasionally, bedazzle. Minimum aim: to stimulate microchips and silver halides.

Bleaching: Chemical used in processing to convert black silver image into colorless compound such as silver halide. Bounced flash: Flash illumination reflected from a ceiling or wall being diffused.

professional work at all, but neither is he afraid of the computer. Both photographers are adamant about the fact that they're simply choosing the best tool for the job, and at this moment the best tool for capturing their subjects is silver halide.

See also: Silver, Photograph, Image, Light, Film