Gary Fong lightsphere Collapsible Speed Mount Light Sphere CLOUD with Speed Mount For CANON 540EX 420EX 550EX 430EX 580EX 580EX II 430EX II 270EX 380EX 320EX 600EX-RT + 5 Piece Camera Cleaning Kit Utilizes the new Speed Mount design that allows switching out modifiers in seconds Collapses to 1 1/2 inches for ultimate portability and convenience Perfectly diffuses harsh light of auxiliary flashes creating soft even illumination Includes Light sphere Collapsible Speed Mount, White Dome, Cinch Strap, Field Guide Provides an equally secure fit for nearly all flash sizes