Chapter Two Light

How Images are Formed

You don't have to understand physics to take good photographs, but understanding how light behaves and how lenses form it into images gives you a broader view of the possibilities of photography. The principles involved are very simple and easily demonstrated.

We start with light as it is the very essence, the basic substance, of photography. What precisely is light, and which of its basic features are helpful to know about when you are illuminating a subject, using lenses, and learning about color? From light and color we go on to discuss how surfaces and subjects look the way they do, and how light can ...

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