The westcott 70cm apollo kit is comprised of the 70cm recessed front apollo softbox and the 5015 adjustable shoe mount umbrella bracket the umbrella style set up of the softbox means no adapter is required and pairing this with the 5015 shoe mount umbrella bracket offers an ideal speedlite set up insert the speedlite directly inside the apollo rotating the head of the speedlite towards the back of the apollo and achieve an indirect evenly distributed beautiful light source the square shape