Guide number 60. Built-in RF-602/RF-603 transmitter/receiver. Universal presser foot. Battery powered
Guide number 58, E-TTL, i-TTL, Manual, Multi, HSS, Slave. Optical communication.
Guide number 58, E-TTL, i-TTL, Manual, Multi, HSS, Slave. Optical communication.
Guide number 60, E-TTL, Manual, Multi, HSS, Slave. Optical and radio communication.