Yongnuo YN-E3-RT Speed Light Flash Transmitter for Canon

The YONGNUO Speedlite Transmitter YN-E3-RT is a transmitter for wireless flash flash shooting. It can control up to 5 groups (15 units) of Speedlites that have a wireless mltiple flash shooting function using radio transmission.

The transmitter also has dust and water resistance equivalent to EOS-1D series cameras.

Features:

• Two-way 2.4G radio communication, fully compatible with ST-E3-RT/600EX-RT
• 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
• High resolution Dot-Matrix LCD, Back light 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

Specifications:

• Type: on-camera Speed lite transmitter
• Compatible cameras: EOS type-A camra compatible with E-TTL II/E-TTL autoflash
• Exposure control system: E-TTL II/E-TTL autoflash, manual flash, stroboscopic flash, auto external flash metering ** only when the flash mode is set to <GR>
• Frequency: 2405-2475Mhz
• Modulation system: Primary modulation: OQPSK, secondary modulation: DS-SS
• Channel: Auto, Ch. 1-15
• Wireless radio ID: 0000-9999
• Slave unit control: Up to 5 groups(A/B/C/D/E), up to 15 units
• Transmission distance: Approx. 100m
• Flash ratio control: 1:8-1:1-8:1, 1/2-stop increments Flash exposure
• compensation: +3~-3 stops in 1/3 - increments
• +3~-3 stops in 1/3 - increment(when used with flash exposure compensation)
• FE Lock: Press the camera's <M-FN>, <FEL> or <*> button
• High Speed Sync: Provided
• Manual Flash: 1/1-1/128 power (1/3-stop increments)
• Stroboscopic flash: Provided (1-500Hz)
• Flash exposure confirmation: Flash exposure confirmation lamp lights
• Modeling flash: Fired with camera's depth-of-field preview button
• Linked shooting: Provided
• Custom Functions: 9
• AF assist Beam Emitter: Provided
• Firmware update: Provided
• Power Source: 2 AA/LR6 alkaline batteries Ni-MH batteries
• Wireless flash shooting time: Approx. time: 10 continuous hours ** when using AA/LR6 alkaline batteries
• Power saving: Power off after 5 min. of idle operation
• Weight: Approx.110g(transmitter only, excluding batteries)