CHAPTER 3Lighting for Photocommunicators

Natural and Artificial for Print and Online

Walter P. Calahan

Introduction

Look around you and what do you see? You do not see things; you see light reflecting off things. Light is invisible, yet we see nothing without it. Only when light is unusual do we notice, such as during a stormy day when a hole opens in the clouds bringing forth shafts of intense sunlight, or at sunrise and sunset when we are bathed in awe-inspiring golden light. The root Greek words—Photo = Light, and Graph = to Draw—was not initially how the mechanical method of capturing an image was defined. Early on people called it Heliograph—Sun Drawing. So in photography we “draw with light” using a machine. This means that every student ...

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