* 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