Photography Cheat Sheet: Light Fall Off Visual Guide

Today’s photography cheat sheet demonstrates how light fall off affects the way subjects are illuminated based on how far they are from the light source.

Not so long ago, we shared a simple illustration of how the Inverse Square Law works and how it affects the way your subjects or scenes are lit. If you found it useful for understanding the technicalities of the relationship between distance and the brightness of light, we have another visual guide for you. This time, it shows us the law at work in the studio!

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Photography Cheat Sheet: Inverse Square Law of Light for Dummies

If the Inverse Square Law and how it pertains to light are all new to you, we have a photography cheat sheet that explains how it works and affects your photography.

At some point in your photography journey, the topic of Inverse Square Law will pop up and probably perplex you. While it sounds very technical and intimidating, it actually pays to know how it affects the way your subjects or scenes are lit. We have just the tips and visual guide for you in today’s photography cheat sheet.

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How the Inverse Square Law Affects Your Lighting

Whether you work extensively with flash and studio lighting, or have a preference for natural and outdoor light, understanding the quality of light when you shoot is crucial to getting well-exposed photos. To our rescue comes the Inverse Square Law of Light, which sounds very intimidating but is actually one of the photometry concepts that largely governs our work as photographers.

Ohio-based Matt Day has found that whenever people hear of the Inverse Square Law of Light, they are immediately turned off because of the seemingly complicated math involved. That’s an obvious reaction, since we’re here to take photos and not solve equations, right? But as Matt explains in his video below, understanding this concept is very helpful for photographers since it tackles one of the fundamentals of good photography: working with light.

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