At the most basic level, the camera is one of the simplest machines you can own. The lever, the wheel, and the toaster are slightly simpler, but only just. At its core a camera is nothing more than a box with a hole at one end and a light-sensitive element at the other. Everything beyond that is bells and whistles, but it’s the bells and whistles that do all the cool stuff—providing the means to turn a small shaft of light streaming through a hole in the side of a box into art. There are a multitude of manufacturers and.