The YONGNUO Speedlite Transmitter YN-E3-RT is a transmitter for wireless flash flash shooting. It will possibly keep watch over As much as 5 groups (15 units) of Speedlites that have a wireless mltiple flash shooting function the usage of radio transmission.
The transmitter also has dust and water resistance similar to EOS-1D series cameras.
Functions:
Two-way 2.4G radio communication, fuly campatible with ST-3E-RT/600EX-RT 15 Physical Channels, 1 Auto Channel, As much as 10,000 customizable photographer ID
Transmission Range: 100M
Multi YN-E3-RT can share slave flashes
Display group/charge status of slave flashes
Firmware will also be upgraded by means of USB
High resolution Dot-Matrix LCD, Backlight for LCD/keys
Fast lock mechanism
Built-in AF help 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 robotically
Package Inlcuding:
1x YN-E3-RT
1x Manual
Power Source: 2 AA/LR6 alkaline batteries Ni-MH batteries
Wireless flash shooting time: Approx. time: 10 continuous hours ** when the usage of AA/LR6 alkaline batteries
Power saving: Power off after 5 min. of idel operation
Weight: Approx.110g(transmitter only, except for batteries)
Firmware update: Provided