*Supports C’s Optical Transportation wireless Master Flash
In the optical transportation wireless flash shooting, the YN568EX III can used as master unit to trigger the YONGNUO and Canon EX series speedlite (except the YN585EX),supports 4 channels, realize wireless TTL, manual flash and stroboscopic flash.
* Compatible With C and N’s Optical Transportation Wireless Slave Flash
One YN568EX III can respectively accept the master unit of YN600EX-RT II、YN568EX II、YN568EX III、600EX(II)-RT、580EX II、SB-910/900/800/700,Nikon internal flash and Canon commander and wireless signal of 7D/60D/600D,realizes external TTL and manual flash and stroboscopic flash.
*Supports High-speed Sync
The YN568EX III can synchronize with all shutter speeds, realize TTL and manual flash, the maximum shutter sync is up to 1/8000.
*TTL Flash with High Guide Number
GN58@ISO100，105mm, support TTL, M, Multi flash.
*Supports Firmware Upgrade
The YN568EX III is equipped with the USB interface, you can download the latest firmware from YONGNUO official website to upgrade the speedlite.
*Support the Battery Remaining Power Real-time Display
The YN568EX III is equipped with the battery electric power display function, allows you to check the battery remaining capacity easily.
*High Speed Recycling System
The recycling time for full output just takes 2 seconds; you can get high speed current-return experience even without using brand new batteries, which will only takes 3-4 seconds.
*Sound Prompt System
When the sound prompt system is enabled，different sound modes will prompt different working conditions of the speedlite so as to allow you to focus on shooting process.
* Equipped with the AF-assist Beam Emitter
The YN568EX III is equipped with the AF-assist beam emitter, allows you to focus easily in dark environment.
*Supports Electric Zooming（24~105mm )
Supports automatic and manual zooming, the focal length can be varied between 24～105mm.
*Multiple Trigger Mode Supported
YN568EX III can be triggered by the camera set-top, PC synchronization trigger and wireless optical trigger off the camera.
*Automatic Settings Saving,supports custom settings (Fn)
*Equipped with Large-size LCD display and standard 2.5mm PC interface
●Support HSS, the High Speed Sync, up to 1/8000 second, M, MULTI, Sc, Sn, S1, S2
●Wireless TTL Slave for Canon and Nikon
●Hot shoe TTL for Canon
●Guide Number 58 (ISO 100, 105mm)
●Flash Modes: ETTL / i-TTL, M, Multi Mode
●Auto and Manual Zooming Head 24 – 105mm
●Auto Zoom for Sensor Size
●2.5mm Sync Port
●3 Seconds Recycle TimeCons
●Zoom Range 24,28 35 50 70 80 105mm
1) Hot shoe TTL mode:
Canon 1Dx, 1Ds series, 1D series, 5DIV, 5DIII, 5DII, 5D, 7D, 7DII, 6D, 80D, 70D, 60D, 50D, 40D, 30D, 20D, 800D, 750D, 700D, 650D/T4i, 600D/T3i, 550D/T2i, 500D/T1i, 450D/Xsi, 400D/Xti, 350D, 100D, 1100D, 1000D, 1200D, 1300D
2) Wirelss TTL Slave mode:
Canon 5DIII 7D 60D 700D 650D 600D, Yongnuo ST-E2, Canon 580EX II
Nikon SB-910, SB-900, SB-800, SB-700, Commander SU-800,
Camera with CLS i-TTL system:D4, D3x, D3s, D3, D2x, D700, D300s, D300, D200, D7000, D90, D80
3) Master Mode, It can trigger these flash:
YONGNUO: YN568EX III, YN568EX II, YN685，YN568EX, YN565EX, YN500EX, YN560EX, YN510EX
Canon: 600EX-RT, 580EX II, 580EX, 430EX II