SmallRig LA-O90 Octagonal Softbox 4633 is a versatile 90cm / 39.0in diameter octagonal softbox designed for multi-purpose use. The interface features a universal Bowens mount design, compatible with SmallRig RC 120D / RC 120B / RC 220D / RC 220B / RC 350D / RC 350B / RC 450D / RC 450B as well as other brands using the Bowens mount for point light sources. Utilizing the latest generation quick-release structure, installation and disassembly can be completed with a single click, streamlining the user experience to provide you with the best usability. Comes with a 45° honeycomb grid to effectively control the light spread, suitable for a wider range of scenarios. Utilizing industrial-grade soft light materials and high-reflective coatings, LA-O90 Octagonal Softbox comes standard with two soft light diffusers to achieve the best light effect, catering to a variety of your needs.