Godox AK-R22 Dome Diffuser. Designed for select round flash heads, this Godox AK-R22 Dome Diffuser increases the illuminated surface of the light and provides a soft and even glow. The diffuser also decreases contrast, creating natural-looking light for portraiture and group photography settings. Additionally, the dome’s collapsible design offers three different shapes for creatively modifying the light to suit your needs.