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A darkroom is used to process photographic film, make prints and carry out other associated tasks. It is a room that can be made completely dark to allow the processing of light -sensitive photographic materials, including film and photographic paper .
Darkroom manipulation is a traditional method of manipulating photographs without the use of computers. Some of the common techniques for darkroom manipulation are dodging, burning , and masking , which though similar conceptually to digital manipulations, involve physical rather than virtual techniques.
Dodging: also a darkroom technique. A card or other opaque object is held between the enlarger lens and the photographic paper in such a way as to block light from the portion of the scene to be lightened. Since the technique is used with a negative-to-positive process, reducing the amount of light results in a lighter image.
Sexton's process consists of large-format 4x5 photography and black and white silver gelatin prints. [3] Like his mentor Ansel Adams, his prints are characterized by great tonal quality resulting from his darkroom virtuosity - Sexton provides abundant technical notes in his books.
While a boy he was an ardent student of chemistry, and on the introduction of the daguerreotype process into the United States (1839–1840) he was the first to manufacture the necessary chemicals. View of the Moon, by Whipple, February 26, 1852. His health having become impaired through this work, he devoted his attention to photography.
Ap-41 process (pre-1978 Agfa color slides; 1978-1983 was a transition period when Agfa slowly changed their color slide films from AP-41 to E6) Anthotype; Autochrome Lumière, 1903; Carbon print, 1862; Chromogenic positive E-3 process; E-4 process; E-6 process; Chromogenic negative C-41 process; RA-4 process; Dufaycolor; Dye destruction ...
“It’s not what you feed, it’s the way you feed it,” explains Burton. “Your treat delivery technique can have a powerful impact on the outcome of your training.”
For example, Ansel Adams used darkroom exposure techniques to darken and lighten photographs. Other techniques include retouching using ink or paint, airbrushing, double exposure, piecing photos or negatives together in the darkroom, and scratching instant films. Software for digital image manipulation ranges from casual to professional skillsets.