YONGNUO YN568EX III Wireless TTL Master Slave Flash Speedlite GN58 1/8000s High Speed Sync Supports USB Firmware Upgrade for Canon DSLR Camera

Features:
Supports C's optical transportation wireless master flash:
--In the optical transportation wireless flash shooting, the YN568EX III can be used as a master unit to trigger YONGNUO and C's EX series speedlite(except the YN585EX), and 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, realiszs external TTL, manual flash and stroboscopic flash.
GN58@ISO100, 105mm, and supports automatic & manual zooming(24-105mm):
--High index TTL flash, supports TTL, M, Multi flash; and supports supports automatic & manual zooming, the focal length can be varied between 24-105mm.
Supports high speed sync(HSS) flash and with high speed recyling(2s) system:
--The YN568EX III can synchronize with all shutter speeds, realize TTL and manual flash, 1/8000s maximum shutter sync; and the recyling time for full output just takes 2 seconds.
Multiple trigger modes, automatic settings saving and custom setting supported:
--YN568EX III can be triggered by the camera set-top, PC synchronization trigger and wireless optical trigger off the camera.
Supports firmware upgrade:
--The YN568EX III is equipped with USB interface, you can download the latest firmware from YONGNUO official website to upgrade the speedlite.
Equipped with large-size LCD display and 2.5mm PC interface, and supports the battery remaining power real-time display, convenient to use.

Specifications:
Circuit design: Insulated Gate Bipolar Transistor (IGBT)
Guide No.: 58 (ISO 100, 105mm)
Flash mode: TTL, M, Multi
Trigger mode: On-camera, Sc, Sn, S1, S2
Zoom range: 24, 28, 35, 50, 70, 80, 105mm
Vertical rotation angle: -7~90 degrees
Horizontal rotation angle: 0~270 degrees
Power supply: 4 * AA batteries(not included; Alkaline or NI-MH are usable)
Lighting times: 100~1500 times (with AA alkaline battery)
Recycle time: Approx. 2s (with new AA alkaline battery)
Color temperature: 5600k
Flash time: 1/200s~1/20000s
Flash control: 8 levels of output control (1/128~1/1), 29 levels of fine tuning in total
External interface: hot shoe, PC port, USB port
Wireless triggering distance: 20~25m indoors, 10~15m outdoors
Additional features: Master flash, High speed sync, Rear-curtain sync, FEC, FEB, FE lock, electric zoom of flash head, sound prompt, auto-save setting, PC sync, USB port, power saving mode, overheating protection, advanced options setting.
Item Size: 6.2 * 7.2 * 18.8cm/ 2.4 * 2.8 * 7.4in(Extended state)
Item weight: 383g/ 13.5oz
Package size: 21.5 * 9.5 * 8cm / 8.5 * 3.7 * 3.1in
Package weight: 565g / 1.2lbs

Package list:
1 * Speedlite
1 * Mini Stand
1 * Protecting Bag
1 * User Manual(English & Chinese)