Softgrid Compatibility: The Profoto Softgrid 3-Feet Octa has a recessed front that allows you to attach a softgrid Light Spread Reduction: The Softgrid 3-Feet Octa reduces the light spread to 50 degrees, creating a more directed light and eliminates a large amount of spill light, allowing you to shape the light with even more precision Dramatic Images: By limiting the spread of light, a softgrid can help to create more contrast in your images, resulting in a more dramatic and moodier look Prevent Light Spill: For reducing unwanted spill light, it is especially useful when you need to avoid illuminating the background or surrounding areas