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Encyclopedia > Transparency (photography)
A single slide, showing a color transparency in a plastic frame
A single slide, showing a color transparency in a plastic frame

In photography, a transparency is a still, positive image created on a transparent base using photochemical means. The terms slide and reversal film are also used. Contrast with negative and print. ImageMetadata File history File links Slide. ... ImageMetadata File history File links Slide. ... Photography is the process of making pictures by means of the action of light. ... See: transparency (optics) alpha compositing GIF#Transparency transparency (overhead projector) market transparency transparency (telecommunication) transparency (computing) For X11 pseudo-transparency, see pseudo-transparency. ... In photography, a negative is a rectangle of material (nowadays usually photographic film) coated with chemicals that, upon photographic exposure, cause the material to record the colors or monochromatic shades of the scene in inverse, negative form. ... Photographic printing is the process of producing a final image for viewing, usually on sensitized paper from a previously prepared photographic negative. ...

Contents


History

The earliest practical color photography was the Autochrome process - this was an additive/'screenplate method which produced a colour slide, but was rather dim, and with the colour resolution limited by the fineness of the screen-plate.. An undated color photograph from 1905 to 1915 by Sergei Mikhailovich Prokudin-Gorskii Color photography was explored throughout the 1800s. ... The Autochrome Lumière is an early color photography process. ...


The earliest practical method using a 'subtractive' method was the Kodachrome process, which produced much brighter color transparencies. Originally used mainly for news reportage, it gradually gained wider popularity. As a medium for serious amateur photographers, it gained popularity as an alternative to black and white print film starting in about 1945.Some amateurs were using Kodachrome for family snapshots as early as 1940 with many utilizing 35mm roll film adaptors with common 4x5 "press cameras." At this time, color print film had many shortcomings including high cost of film and processing and short print life. Amateurs who could afford slide film and projection equipment used it extensively until about 1970, when color print film began to displace it. This article is about the color film. ... Reportage can be a single journalists report of news (especially when witnessed first-hand), distributed through the media. ... 1945 (MCMXLV) was a common year starting on Monday (link will take you to calendar). ... 1970 (MCMLXX) was a common year starting on Thursday. ...


Through about 1995, color transparencies were the only photographic medium used for serious publishing, and were widely used in commercial and advertising photography, reportage, sports, stock, and nature photography. Digital media have since gradually replaced transparencies in many of these applications. The use of slides for artists submitting to juried shows or applying for solo exhibitions, applying to art schools or for residencies (or the like), however, is still nearly universal for a number of reasons, among which is the actual or perceived lack of colour fidelity in digital media. 1995 (MCMXCV) was a common year starting on Sunday of the Gregorian calendar. ... Generally speaking, advertising is the promotion of goods, services, companies and ideas, usually by an identified sponsor. ... A digital system is one that uses numbers, especially binary numbers, for input, processing, transmission, storage, or display, rather than a continuous spectrum of values (an analog system) or non-numeric symbols such as letters or icons. ... Art school is a colloquial term for any educational institution (whether secondary, post-secondary/undergraduate, or graduate/postgraduate) with a primary focus on the visual arts, especially graphic design, illustration, painting, photography, and sculpture. ... For the financial services company, see Fidelity Investments. ... Bold textDigital media (as opposed to analog media) usually refers to electronic media that work on digital codes. ...


Characteristics

Slides are still generally preferred by professionals and many amateurs when working with traditional film. Slides are often sharper and have better colour reproduction. Generally slides have a longer life span than colour prints. Kodachrome is well known for its archival qualities. Color does not fade in Kodachrome for a long time. Theoretically they should last about 200 years compared to perhaps 50-70 years for negative colour-film processes (e.g. Kodacolor or Afgacolor) and 20-30 years for colour prints. The Kodachrome process uses toxic and difficult to control chemicals in the development process and so remains in use in only a few locations worldwide. This article is about the color film. ... For other uses of the word Archive, see Archive (disambiguation) Archives refers to a collection of records, and also refers to the location in which these records are kept. ...


Direct positive slide film is less forgiving of exposure errors than than the negative - print - and development process chain. With negatives, the overall value may be sensed after processing and the exposure of the positive image controlled to compensate. The simplest point and shoot and disposable cameras do not even control exposure, a demonstration of the wide exposure latitude of the processes. It is also more cumbersome to display if only a few images are to be shown, although small battery powered direct viewers are available and suitable for use by one or two viewers. A photograph with an exposure time of 25 seconds In photography, exposure is the total amount of light allowed to fall on the sensor (photographic film or CCD) during the process of taking a photograph. ... A point and shoot camera with a zoom lens and built in flash A point and shoot camera, also called a compact camera, is a still camera designed primarily for simple operation. ... Kodak Max Outdoor Camera disposible camera. ...


A slide is a special type of transparency intended to be projected onto a screen using a slide projector. This allows the photograph to be viewed by a room-full of people at the same time. Slides were at one time an important media for presentations, but LCD projectors which are now widely available have largely replaced traditional slide projectors for this purpose. A carousel slide projector, the most common form of projector A slide projector is an opto-mechanical device to view photographic slides. ... An LCD projector is a device utilized for displaying video images or data. ...


The most common form of modern slide is the 35mm slide, essentially a positive-image printing onto the standard 35mm film used in the movie industry, then placed inside a cardboard or plastic shell. Older projectors used a sliding mechanism to manually pull the transparency out of the side of the machine, where it could be replaced by the next image, and it is from this that we get the name "slide". Modern projectors typically use a carousel that holds a large number of slides, and viewed by a mechanism that automatically pulls a single slide out of the carousel and places it in front of the lamp. Simulated 35 mm film with soundtracks - The outermost strips (on either side) contain the SDDS soundtrack as an image of a digital signal. ... Film refers to the celluloid media on which movies are printed. ...


Transparency film, in sizes ranging from 35mm roll film up to 8x10" sheet film, are produced by Kodak, Agfa, Konica, Scotch, and Fujifilm. Essentially all film sold today uses either the E-6 process or the K-22 process, with the overwhelming majority using the E-6 process. Eastman Kodak Company (NYSE: EK) is a large multinational public company producing photographic equipment. ... Agfa-Gevaert N.V. develops, manufactures and distributes analogue and digital products and systems for the making, processing, and reproduction of images. ... Konica Minolta Co. ... Fujifilm TYO: 4901 , NASDAQ: FUJIY is a Japanese company known for its photographic film and cameras. ... The E-6 process (sometimes abbreviated to just E-6) is a process for developing color reversal (transparency) photographic film. ... This page list various photographic processes. ...


Polaroid produced an instant slide film called Polachrome. It was packaged in cassettes like normal 35mm film. A separate processing unit was used to develop it. The Polaroid Corporation was founded in 1937 by Edwin H. Land. ... Instant film is a photographic film that is designed to be used in an instant camera. ... 135 is a film format for still photography. ...


Black and white

Black and white transparencies can be made directly with many types of black-and-white film using reversal-processing. It was once popular for presentation of lecture materials using 4" by 5" glass mount slides. Such positive black and white projection is now rarely done, except in motion pictures. Even that is quite rare, except for technical uses like high-speed photography and is done by taking a positive print of the original negative, processed normally, rather than by reversal-processing the original film. In the cinema black and white is used largely to reproduce a film noir appearance. Black-and-white (or variations including Black and White) can refer to a general term used in photography, film, and other media (see black-and-white). ... In film developing, photographic developer (or just developer) is a chemical that makes the image on the film or print visible. ... Mid-19th century tool for converting between different standards of the inch An inch is an Imperial and U.S. customary unit of length. ... This still from The Big Combo (1955) demonstrates the visual style of film noir at its most extreme. ...


See also


  Results from FactBites:
 
Ireland Photography .com - library stock images of Ireland for professional photo buyers in publishing, advertising ... (128 words)
Stock photography of Ireland for commercial use - categorised selections are available in the library.
The client pages will be updated soon with examples of more recent commercial photography assignment work.
of towns and landscape photography of County Cork.
Transparency (photography) - definition of Transparency (photography) in Encyclopedia (719 words)
In photography, a transparency is a still, positive image created on a transparent base using photochemical means.
Through about 1995, color transparencies were the only photographic medium used for serious publishing, and were widely used in commercial and advertising photography, reportage, sports, stock, and nature photography.
The use of slides for artists submitting to juried shows or applying for solo exhibitions, applying to art schools or for residencies (or the like), however, is still nearly universal for a number of reasons, among which is the actual or perceived lack of colour fidelity in digital media.
  More results at FactBites »

 
 

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