Photography is the process of making pictures by using light. The distance from the lens to the focal point is called the focal length. Longer focal lengths allow greater magnifications. F stops range from 1.4 -22 and vary on cameras. The cameras that offer the highest ranges offer more flexibility and options. Shorter shutter speeds are needed for photos taken in bright sunlight, while longer shutter speeds are needed for night photos.
The resolution is digital cameras is measured in pixels. Quality is determined by lens, sensor size, pixel count and quality of the camera itself.
<b>Louis Daguerre</b><br>While he had no scientific background, Daguerre made two pivotal contributions to the process.
The French government bought the patent and immediately made it public domain.<b>William Fox Talbot</b><br>Across the English Channel, William Fox Talbot had earlier discovered another means to fix a silver process image but had kept it secret. <b>Frederick Scott Archer</b><br>In the darkroom in 1851 Frederick Scott Archer invented the collodion process. It was the process used by Lewis Carroll.<b>Slovene Janez Puhar</b><br>Slovene Janez Puhar invented the technical procedure for making photographs on glass in 1841.
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