YN-E3-RT Yongnuo Flash Speedlite Transmitter Compatible with 600EX-RT for Canon DSLR Cameras

Description

Features: It includes all the features of ST-E3-RT, as well as extra features including USB port for firmware updates. AF focus assist light. Full GR Group Mode functionality has also now been added for pre 2012 model cameras. Slave flash charge status does not stop other flashes from firing. YN-E3-RT features: Two-way 2.4G radio communication, fully compatible with ST-E3-RT / 600EX-RT. Control up to 5 groups (15 units) of Speedlites. 15 physical channels, 1 auto channel, up to 10,000 customizable photographer ID. Transmission range: 100M. Multi YN-E3-RT can share slave flashes. Display group/charge status of slave flashes. Firmware can be upgraded via USB (You need to buy extra USB Cable). High resolution Dot-Matrix LCD, Backlight for LCD/keys. Fast lock mechanism. Built-in AF assist beam emitter, buzzer. Remote shutter release, Linked Shot (Need extra shutter cable for cameras released before 2012). Flash mode: ETTL / M / Multi / GR 4 flash modes. A/B/C/D/E 5 groups. Supports 1st Curtain, 2nd Curtain (Only in M mode), High speed Sync. Supports ETTL Ratio, Flash Exposure Compensation,Flash Exposure Lock, Flash Exposure Bracket, Modeling Flash. 9 custom functions. Settings saved automatically. Dust and water resistance equivalent to EOS-1D series cameras.