After investing in the 4 Barndoor Set for the Zoom Reflector, you'll have the ability to control and shape the light output from your reflector with precision. This set, identified by product numbers #100671 / 505-521, is a versatile accessory for photographers and videographers alike. The set includes a 4-sided barn door, a versatile tool that allows you to direct light exactly where you want it, minimizing spill and focusing your light source on the subject. This is particularly useful for highlighting specific areas in your frame, or for creating dramatic lighting effects. Additionally, this set comes with a holder that is compatible with 5-inch, 10-inch, or 20-inch grids. This feature offers you the flexibility to use different sized grids depending on your lighting needs, making it a valuable addition to your lighting equipment. Whether you're a professional photographer or a hobbyist, the 4 Barndoor Set for the Zoom Reflector is a must-have tool for creating controlled, high-quality lighting effects.