Understanding where to position your softbox and choosing the right size matters more than you might realize. Good lighting isn't just about power; it's about placement, distance, and modifier size, which can dramatically alter the feel of your images.
Coming to you from Chris Fain with Profoto, this practical video walks you through the essentials of positioning small and large softboxes at different distances to achieve various lighting effects. Fain demonstrates clearly how the size of your softbox relative to the subject impacts the softness of shadows and the overall mood of the shot. He shows comparisons between a two-foot and a four-foot octabox at close, mid-range, and further distances, highlighting how subtle shifts can transform your results. Particularly useful is his explanation of the inverse square law—how light intensity decreases with distance—which affects both the power required and how evenly your subject is illuminated.
Another critical takeaway Fain covers is how distance affects the quality of shadows. He uses a butterfly lighting setup to clearly illustrate how moving the softbox closer yields softer shadows, ideal for portraits. He explains why positioning your softbox close might be advantageous for tighter shots, where the quick falloff adds depth and dimension. Conversely, moving your softbox farther back spreads out the illumination, creating a more uniform exposure but increasing shadow hardness—a trade-off you should consciously manage depending on your visual goals. Understanding these nuances helps you predict the outcomes before even pressing the shutter, giving you greater control on set.
The video also dives deeper into practical scenarios, considering portability and space constraints when choosing lighting setups. Fain discusses the potential benefits and limitations of smaller versus larger modifiers, particularly if you're frequently shooting on location or working in confined spaces. For example, he suggests alternate lighting tools such as a magnum reflector when efficiency matters, especially for battery-powered, on-the-go situations. Check out the video above for the full rundown from Fain.
If you would like to continue learning about how to light a portrait, be sure to check out "Illuminating The Face: Lighting for Headshots and Portraits With Peter Hurley!"