Photography is the science, art, application and practice of creating durable images by recording light or other electromagnetic radiation, either electronically by means of an image sensor, or chemically by means of a light-sensitive material such as photographic film. Typically, a lens is used to focus the light reflected or emitted from objects into a real image on the light-sensitive surface inside a camera during a timed exposure. With an electronic image sensor, this produces an electrical
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Summerville is a borough in Jefferson County, Pennsylvania, United States. The population was 525 at the 2000 census. It was named after Summers Baldwin, first settler in the area. It was formerly known as Troy. Summerville is located at 41Â°06â²59â³N 79Â°11â²18â³W / 41.116428Â°N 79.188391Â°W / 41.116428; -79.188391.