Because the Canon Speedlite El-10 is a dynamic addition to Canon's esteemed Speedlite family, it is designed to elevate your photography skills to new heights. This mid-range portable flash unit is crafted to replace the Speedlite 430EX-iii Rt, offering an ideal blend of power and advanced communication capabilities tailored for both amateur and professional photographers. While the Speedlite El-10 may deliver approximately 1 stop less total flash power compared to the high-end Speedlites El-5 and El-1, it excels with its sophisticated communication features.The Speedlite El-10 can control up to 15 additional compatible Speedlite units, granting you the flexibility to effortlessly create complex lighting setups. Its innovative Multi-function connector at the "foot" is designed for seamless communication with multi-function shoe-equipped cameras, allowing for enhanced customization and control between the flash and camera.