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Chapter 3. Mechanics of Light > Falling Off, Or How To Love The Inverse Square ...

Falling Off, Or How To Love The Inverse Square Law

Do not repeat after me: “The intensity of light from a point source falling upon a subject is inversely proportional to the square of the distance from the source.”

The Inverse Square Law has intimidated and befuddled more photographers than any other aspect of our craft. You don’t have to understand the math. You do need to know what it means.


  

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