Nowadays we can use our smart phone to take photo easily. That shows the development of photography improved continuously from traditional methods to digital methods. It had an important status in the world. At the beginning of the development of photography, people used Camera obscuras to form images on walls in a darkened room (“History of Photography Timeline,” 1999). Those images were formed through the pinhole (“History of Photography Timeline,” 1999). In 1839, photography were announced to the world which was a great development for the society (Sandler, 2002, p. 7). The daguerreotype and the calotype were the first two official forms of photography (Sandler, 2002, p. 7). Then, scientists and inventors kept on having research and experience