8 Lighting
8.1 Introduction
8.1.1 General
Lighting is the art of using light sources in associated luminaires (with the aid of light shaping accessories) initially to illuminate a subject to make it visible to the eye or a photosensor, and also to suit a particular purpose and show detail and texture while subduing unwanted detail. Lighting for visual, photographic or recording purposes, as distinct from just providing illumination, has other functions, including the portraying of moods and creative effects, both beyond the scope of this book. Otherwise, lighting is employed to ensure compatibility between the quality and quantity of the light and the photosensor system. In particular, for scientific work, specialist lighting techniques are used ...
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