When you think of a digital camera, whether it's on your phone or built into an industrial robot, you might just see the lens. But the camera module  is far more than just glass and a chip; it's a micro-engineered optical-electronic system  where the final image quality depends on invisible laws of physics and tiny geometric relationships. It's the complete brain and eye that allows a machine to turn light into a digital image. The Camera Module: A System of Three Essential P