The Canon Speedlite EL-5 Flash The Canon Speedlite EL-5 flash is a robust E-TTL and E-TTL II compatible flash, being praised for its power, connectivity, and dependability. The on-camera flash, equipped with a xenon flash tube, offers exceptional light exposure stability and a powerful guide number of 60 at ISO 100. The EL-5 flash's versatility is further highlighted by its flexible power control, allowing lighting adjustments from full 1/1 power to 1/1024 power. The EL-5 Flash utilizes the LP-EL rechargeable lithium-ion battery pack to achieve shorter, approximately 0.1 to 1.2-seconds reload times and approximately 350 flashes per charge. In addition to its quick recharge time, the battery contributes to the flash's superior thermal management and active cooling system. The EL-5 flash is built for professional use, supporting all RT-series flashes for radio-controlled wireless operation and activation, including second-curtain wireless synchronisation The Flash boasts a robust physical design that is dust and water-resistant The user interface features a joystick design, display and control layout The flash head can fully rotate 180 degrees left and right, tilt 120 degrees upwards, and has a built-in wide-angle panel Compatible with Canon Multi-Function Shoe Canon Speedlite EL-5 Features 2.4 GHz wireless radio transmission Guide number: 60 at ISO 100 and 200 mm Recycle time: 0.1 to 1.2 seconds 350 flash count Dust and water-resistant Supports up to 16 receivers Accommodates 5 groups with up to 15 channels per group Zoom range: 24-200 mm 180 degrees rotation to the left and right 120 degrees tilt upwards Autofocus assist (AF-assist) Package Contents Speedlite EL-5 LP-EL Battery pack Speedlite case Mini stand Mounting foot cover Please note: this flash only works with Canon cameras equipped with a Canon Multi-Function Shoe.