Professional Photo & Video Gear


Flash Trigger For Canon Camera

Wireless Flash Trigger, Speedlite Transmitter,
Compatible with:
Canon ST-E3-RT,600EX-RT(II) and Rebel T8i T7i T7 T6S 77D SL3 SL2 SL1 T6i T6 T5i T5 T4i T3i T2i XS XSi,4000D 3000D 2000D 1500D 1300D 1200D 1100D 1000D 850D 800D 760D 750D 700D 650D 600D 550D 500D 450D 400D 350D 200D 100D,Canon EOS 7DII 7D 6DII 6D 5DIV 5DIII 5DII 5D 60D 50D 40D 30D 20D 10D 1D 1Ds 1DX ;

Yongnuo YN-E3-RT II TTL Radio Trigger Speedlite Transmitter as ST-E3-RT Compatible with Canon 600EX-RT and YONGNUO YN600EX-RT II,YN680EX-RT,YN686EX-RT, YN968EX-RT

Yongnuo YN-E3-RT II Speedlight Transmitter is compatible with the Canon 600EX-RT flash unit and ST-E3-RT transmitter, it provides practically all the features of the original Canon ST-E3-RT, plus a number of important extra features, these include a built in AF assist light, 2nd Curtain Sync (Only in M mode), USB port for firmware upgrade, and added range to 100 Meters.

  • 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 II can share slave flashes
  • Firmware can be upgraded via USB
  • High resolution Dot-Matrix LCD, Back-light for LCD/keys,
  • Built-in AF Lamp, buzzer
  • Flash Mode: ETTL/M/Multi/GR (GR Mode only works with cameras released since 2012)
  • A/B/C/D/E Five 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


  • ALL Canon DSLR Camera with E-TTL II / E-TTL autoflash
  • Canon 600EX-RT
  • Canon ST-E3-RT


Product ModelYN-E3-RT II
TypeOn-Camera Speedlite Transmitter
Exposure Control SyestemE-TTL II/E-TTL Autoflash, Manual Flash, Stoboscopic Flash, Gr Flash
Frequency2405-2475 MHZ
ChannelAuto, Ch. 1-15
Wireless Radio ID0000-9999
Slave Unit ControlUp to 5 Groups(A/B/C/D/E), Up to 15 Units
Transmission DistanceApprox. 100m
Flash Ratio Control1:8-1:1-8:1, 1/2-Stop Increments Flash Exposure
FEB±3 Stops in 1/3-Increments (When used with flash exposure compensation)
Compensation±3 stops in 1/3- increments
Manual Flash1/1-1/128 Power (1/3-stop increments)
Flash Exposure ConfirmationFlash Exposure Confirmation Lamp Lights
Power SavingPower off After 5 min, of idle Operation
Power Source2 AA/LR6 Alkaline Batteries Ni-MH Batteries (Not Included)
Wireless Flash ShootingApprox. Time: 10 Continuous Hours
Stroboscopic FlashProvided (1-500Hz)
Modeling flashFired with camera‘s depth-offield preview button
Custom Functions9
DimensionsApprox. 67.7 (W) x 66.7 (H) x 81.3 (D) mm
WeightApprox. 110g