Digital Photography and Conventional Photography

Photography is a combination of two scientific processes: an optical and a chemical one. The development of the modern camera took place over hundreds of years, starting with a pinhole, progressing to a simple lens projecting on a wall, to our modern cameras today.

The camera obscura (Latin for "dark room"), dating back to antiquity, was the predecessor of the first cameras. The camera obscura was originally a dark room with a hole in one wall. The hole acted like a crude lens, projecting an image of the outside world onto a piece of paper mounted on the opposite wall. The pinhole was mainly used for scientific purposes in astronomy and, fitted with a lens, as a drawing aid for artists. The images however were upside...