Balancing power with size‎,‎ the Speedlite 430EX II from Canon offers a very useful guide number of 141‎'‎ at ISO 100 and 105mm as well as complete compatibility with Canon‎'‎s E‎-TTL / E‎-TTL II flash metering system‎.‎ The flash head also offers an excellent zoom range of 24‎-105mm‎,‎ which is expanded to 14mm with the use of the wide‎-angle diffusion panel‎.‎ There is even the option to tilt the flash upwards 90° as well as rotate it right 90° or left 180° for bounce capabilities‎.‎Wireless slave TTL functionality is possible with Canon‎'‎s optical pulse transmission system‎.‎ This is possible with one of 4 channels and 3 groups at up to 39.4‎'‎‎.‎ This enables photographers to setup off‎-camera lighting without running cables‎.‎ Other features include an AF assist beam‎,‎ modeling flash‎,‎ and high‎-speed‎,‎ first and second curtain sync modes‎.‎ It also recycles in 0.1‎-3.7 seconds and runs on 4 AA batteries‎.‎ Additionally‎,‎ it comes with a mini stand and a case‎.‎

When used as a wireless slave‎,‎ the 430EX II supports stroboscopic flash from the master unitNear silent recyclingLCD panel on rear for viewing and changing settingsNine user‎-adjustable custom functions with 20 settingsMetal locking footEffective flash range of 2.3 to 79.7‎'‎AF assist beam works with 1‎-9 AF points and has a range of up to 32.8‎'‎Battery life of about 200‎-1400 flashesBracket mounting hole