Why do I need grids? Frank Doorhof will show you this and more in his latest instruction video “The Essential Lighting Techniques, a guide to lighting”. Get more attention to your model with a grid on your reflector, striplight or any other modifier. Frank explains the different thicknesses, how a grid can focus the light and how you know that your model is in the hotspot.
Just a simple 1-light-setup is so much more exciting with a grid.