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.