Black and White photography is a number of monochrome forms in visual art. Monochrome means one color which is a combination of alone/solitary and color. In 1727 Professor J. Schulze mixed chalk, nitric acid, and silver in a flask, and stumbled upon the first photosensitive compound ever created. Later on Nicéphore Niépce combines the camera obscura with photosensitive paper and created a permanent image in 1826. Black and white dominated photography until about the twentieth century when color photographs became popular. Taking photographs planned in black and white is a lot more difficult than setting up a colored shot. In black and white there are a lot more elements that need to be thought about and carefully planned. Elements such as exposure of light and shadows have a greater effect on black and white photos due to not having a monochromatic picture. The demand for black and white photos and media have reduced since the twentieth century but have more recently become in demand.
http://www.articlesbase.com/art-and-entertainment-articles/the-origins-of-black-and-white-photography-573689.html
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