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Analog photography, also known as film photography, is a term usually applied to photography that uses chemical processes to capture an image, typically on paper, film or a hard plate. These processes were the only methods available to photographers for more than a century prior to the invention of digital photography , which uses electronic ...
This makes most chemical-based photography a two-step process, which uses negative film and ordinary processing. Special films and development processes have been devised so that positive images can be created directly on the film; these are called positive, or slide, or (perhaps confusingly) reversal films and reversal processing.
This is an accepted version of this page This is the latest accepted revision, reviewed on 3 February 2025. Art and practice of creating images by recording light For other uses, see Photography (disambiguation). Photography of Sierra Nevada Photography is the art, application, and practice of creating images by recording light, either electronically by means of an image sensor, or chemically ...
Once the film was developed it was sliced down the middle and the ends attached, giving 50-foot (15 m) of Standard 8 film from a spool of 25-foot (7.6 m) of 16 mm film. 16 mm cameras, mechanically similar to the smaller format models, were also used in home movie making but were more usually the tools of semi professional film and news film makers.
Time-lapse photography is a technique in which the frequency at which film frames are captured (the frame rate) is much lower than the frequency used to view the sequence. When played at normal speed, time appears to be moving faster and thus lapsing .
This means that currently this type of film can be used only in ultra-long-exposure film photography where the subject is e.g. a city center where the photographer wants to fade all movement. [ 62 ] Another reusable film invented by Liou et al. is based on 9-methylacridinium-intercalated clay particles, but erasing the image requires dipping ...
Movement can be used extensively by film makers to make meaning. It is how a scene is put together to produce an image. A famous example of this, which uses "dance" extensively to communicate meaning and emotion, is the film, West Side Story. Provided in this alphabetised list of film techniques used in motion picture filmmaking. There are a ...
Film is then dried in a dust-free environment, cut and placed into protective sleeves. Once the film is processed, it is then referred to as a negative. The negative may now be printed; the negative is placed in an enlarger and projected onto a sheet of photographic paper. Many different techniques can be used during the enlargement process.