Instruction Manual
Page 107
...Pack CP-E4. Using an external power source other than Canon may result in flash. * Macro Ring Lite MR-14EX / + Macro Twin Lite MT-24EX Flash for optical transmission wireless control of Speedlites set as the master unit an EOS digital camera with .... Equipped with dust and water resistance equivalent to 600EX-RT/600EX. / Speedlite Bracket SB-E2 0 Release Cable SR-N3 If you can set as slave units. ( Speedlite Transmitter ST-E2 Transmitter for macro photography. , Speedlite with optical transmission wireless slave function 580EX II, 580EX, 550EX, 430EX II, 430EX, 420EX, 320EX, 270EX...
...Pack CP-E4. Using an external power source other than Canon may result in flash. * Macro Ring Lite MR-14EX / + Macro Twin Lite MT-24EX Flash for optical transmission wireless control of Speedlites set as the master unit an EOS digital camera with .... Equipped with dust and water resistance equivalent to 600EX-RT/600EX. / Speedlite Bracket SB-E2 0 Release Cable SR-N3 If you can set as slave units. ( Speedlite Transmitter ST-E2 Transmitter for macro photography. , Speedlite with optical transmission wireless slave function 580EX II, 580EX, 550EX, 430EX II, 430EX, 420EX, 320EX, 270EX...