Amazon.com : Polaroid Mini Universal Studio Soft Box Flash Diffuser (3.5" x 3.5" Screen) for The Canon Speedlite 580EX, 580EX II, 430EX, 430EX II, 270EX, 320EX, 600EX-RT Flashes : Electronics
Amazon.com: Flash Diffuser Soft Box for Canon 430EX II 580EX II 550EX 520EX 420EX Speedlite
Amazon.com : Canon Canon Speedlite 430EX III-RT, Guide Number 141' at ISO 100, Bundle with 4 AA Ni-MH Batteries with Charger, Mini SoftBox Diffuser : Electronics
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Amazon.com : Canon Compatible Flash (e-TTL, TTL II) Bounce, Zoom, Swivel Head. Alternative to Canon Speedlite 430EX II & 430EX III-RT : Electronics