Hard automation can be defined as the use of delicate pieces of machinery, typically to produce the same item over long periods of time. This is expensive to build and inherently inflexible to product changes. However, its design can be optimized
The camera and the eye are similar in many respects. They both need light rays in order to function. Both have a sensitive surface on which the image is formed. In the eye the image is formed on the retina. In the camera the image is formed on the