The ultra lightweight canon 270ex ii speedlite is a compact high performance flash unit designed for the evolving eos enthusiast developed for fun and easy flash shooting when used with select canon eos dslr cameras that have a master function the speedlite 270ex ii can be used as a versatile wireless slave flash this speedlite can also be used with other compact digital camera models equipped with a dedicated flash shoe mount user friendly in both function and design the 270ex ii speedli