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What is a camera? Well that depends on which type of camera you are referring too. The forerunner to photographic cameras was the camera obscura. Effectively a pinhole camera. A small hole at one end of a box projects an inverted image onto a medium that can show the image. That might be a thin piece of paper or a white board that has to be viewed from the side of the camera.

Modern photographic cameras took the same idea and replaced the medium to view the image on with a material that is chemically altered through light absorption. The first recorded photograph was in 1826. Since then cameras have gone through many updates, changes from using photographic plates and film and finally replaced both with electronic capture. A modern camera is more powerful than the first home computer and the functions and types of capturing images has enabled even the most amateur photographers to capture stunning pictures.