Gary Fong Collapsible Speed Mount Lightsphere CLOUD Flash Diffuser + Gary Fong AMBDOM AmberDome FOR CANON 540EZ 420EX 550EX 430EX 580EX 580EX II 430EX II 270EX 380EX FLASH 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 illuminatio Includes Light sphere Collapsible Speed Mount, White Dome, Cinch Strap, Field Guide Provides an equally secure fit for nearly all flash sizes WITH Gary Fong AMBDOM AmberDome for LSU and LS2 (Amber) Does a great job of balancing and /or warming your light in the following situations: Outdoors at dusk or early morning . Outdoors in Open Shade (set camera to auto-white balance)