Our 20° grid for the 18” OMNI™ Reflector can be used directly on the reflector, with or without the diffusion sock in place. The grid and reflector are ideal for achieving the high output, Hollywood-style, selective lighting, with superior spill control and isolation. For close-up mood lighting, place the grid over the triple layer diffusion sock to further reduce the output. Achieve high fall-off, high contrast, and low key lighting effects. The grid reduces the light output another 2/3f stop, allowing even closer placement at wide-open apertures.