Lighting

Summary: A guide number (GN) in flash photography is a measurement of a flash's power or maximum effective range.

Summary:  This guide provides an overview of the three main types of electronic flashes used in photography.

Summary: Learn the different terms used regarding speedlights.

Summary: Guide to understanding how to use your flash, broken into simple steps.

Summary: Learn basics types of studio lights and modifiers, basic light setup, and basic portrait lighting styles

Summary : Handout on light direction, quality, purpose and more.