https://visualeducation.com/class/introduction-and-understanding-light/

 

Before you can work effectively with studio lighting, you have to understand light itself.  This opening chapter of our Lighting Theory and Equipment course covers the fundamentals of light, equipping you with the knowledge you need to work confidently with studio lighting.  In a series of easy-to-follow visual demonstrations, Karl takes you through the practicalities of light, exploring the effect hard and soft light has on shadows, texture and three-dimensionality. He also shows you how to achieve precise control over reflections, shadows and highlights.  Karl’s explanation and practical demonstration of the inverse square law, as well as of the colour spectrum of light, will equip you with crucial knowledge that will serve you throughout your career as a photographer.