emulsion number

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• Photo emulsion — is a commonly used misnomer for a photosensitive substance used in screen printing that hardens when subjected to ultraviolet light. To prepare a screen for printing, it is coated with liquid photo emulsion and allowed to dry. Opaque,… …   Wikipedia

• DX number — DX I2/5 barcode on a 135 film cartridge The DX number is assigned by the International Imaging Industry Association (I3A). It uniquely identifies the type and manufacturer (sensitizer) of a film emulsion. A proprietary list of DX numbers for APS… …   Wikipedia

• ASA number —    for many years, the initials of the American Standards Association appeared on film packages in the United States as a measure of the speed of the photographic emulsion (the stuff on the film that develops to form the picture). The scale is… …   Dictionary of units of measurement

• Film base — A film base is a transparent substrate which acts as a support medium for the photosensitive emulsion that lies atop it. Despite the numerous layers and coatings associated with the emulsion layer, the base generally accounts for the vast… …   Wikipedia

• Re-can — A re can is a roll of film stock which was originally opened up from a factory sealed can and loaded into a camera magazine by a clapper loader, but remained unshot and thus was unloaded back into a film can unused. A re can will be placed in a… …   Wikipedia

• photography, technology of — Introduction       equipment, techniques, and processes used in the production of photographs.  The most widely used photographic process is the black and white negative–positive system (Figure 1 >). In the camera the lens projects an image of… …   Universalium

• motion-picture technology — Introduction       the means for the production and showing of motion pictures. It includes not only the motion picture camera and projector but also such technologies as those involved in recording sound, in editing both picture and sound, in… …   Universalium

• Film speed — is the measure of a photographic film s sensitivity to light, determined by sensitometry and measured on various numerical scales, the most recent being the ISO system. A closely related ISO system is used to measure the sensitivity of digital… …   Wikipedia

• radiation measurement — ▪ technology Introduction       technique for detecting the intensity and characteristics of ionizing radiation, such as alpha, beta, and gamma rays or neutrons, for the purpose of measurement.       The term ionizing radiation refers to those… …   Universalium

• printmaking — /print may king/, n. the art or technique of making prints, esp. as practiced in engraving, etching, drypoint, woodcut or serigraphy. [1925 30; PRINT + MAKING] * * * Art form consisting of the production of images, usually on paper but… …   Universalium

• Color photography — Color film redirects here. For the motion picture equivalent, see Color motion picture film. A circa 1850 Hillotype photograph of a colored engraving. Long believed to be a complete fraud, recent testing found that Levi Hill s process did… …   Wikipedia