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Caffenol is a photographic alternative process whereby phenols, sodium carbonate and optionally vitamin C are used in aqueous solution as a film and print photographic developer. [ 1 ] [ 2 ] Other basic (as opposed to acidic ) chemicals can be used in place of sodium carbonate; however, sodium carbonate is the most common.
Alternative processes often overlap with historical, or non-silver processes. Most of these processes were invented over 100 years ago and were used by early photographers. [2] [3] Many contemporary photographers are revisiting alternative processes and applying new technologies (the digital negative) and practices to these techniques.
Manifold stylographic writer, using early "carbonic paper" Letter copying book process; Mechanical processes Tracing to make accurate hand-drawn copies; Pantograph, manual device for making drawn copies without tracing, can also enlarge or reduce; Printmaking, which includes engraving and etching. Relief printing including woodcut
Most amateur photographers and perhaps even some professionals might not know that all color plates, films, and papers are actually coated with black and white gelatin emulsions. "The image is ...
Agfacolor. 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
In photography, toning is a method of altering the color of black-and-white photographs. In analog photography, it is a chemical process carried out on metal salt-based prints, such as silver prints, iron-based prints (cyanotype or Van Dyke brown), or platinum or palladium prints. This darkroom process cannot be performed with a color photograph.
WASHINGTON (Reuters) - U.S. private payrolls increased at a moderate pace in November, while annual wages for workers staying in their jobs edged up for the first time in 25 months.
If you’re stuck on today’s Wordle answer, we’re here to help—but beware of spoilers for Wordle 1255 ahead. Let's start with a few hints.