Elinchrom 21cm 12 Degree Round Honeycomb GridElinchrom 21cm 12 Degree Round Honeycomb Grid Honeycomb grid to fit Elinchrom 21cm reflector. Can used in a wide range of situations, such as: A backlight to avoid flaring. A main light to only light the subject (extremely helpful outdoors or to create a black background). A fill light to be extremely precise and not have additional light all over the set. A background light to only light part of the background or to create a more interesting effect.