The YN 560IV speedlight took the 560III and introduced a built in controller as well. Now you can have it all in one nice package. Complete wireless radio signal control is built into the speedlight. Using this as a master flash you can control up to 3 groups of speedlights, 560iii or 560iv. You can make all the adjustment to the power output from this speedlight and it will send the information to the ones that you are using off camera. No need to walk over to make those adjustments.. Portrait photographers, Real Estate photographers and more love this speedlight for its ease of use and its tremendous light output.
*Supports Wireless Master Function
The YN560 IV can be used as master unit, provides 3 independent groups with controlling ability, realizing remote control the flash mode, flash output and focal length of the YN560 IV and YN560 III.
*Supports Wireless Slave Function, fully supports YN560-TX、RF-603（I/II）、RF-602 Wireless transmitter
One YN560 IV can respectively receive the wireless signal from YN560 IV、YN560-TX、RF-603 (I/II)、RF-602,with optional 16 channels; when the YN560 IV and YN560-TX used as transmitter, it can realize remote control the parameter settings.
*Multiple Trigger Synchronous Mode Supported
The YN560 IV can triggered through the set top of the camera, 2.4G wireless triggering, S1 and S2 pre flash cancel mode.
*Settings Save Automatically, Supports Custom Settings (Fn)
The parameters on the flash will automatically save when the flash turned off; the users can customize setting the flash function as needed.
*GN58 @ ISO100，105mm
High Guide Number 2.4G wireless speedlite, supports M/Multi/-- mode.
*Sound Prompting System
When the sound prompting system is enabled, the different sound ways will prompt different operating state of the flash so as to allow you focus on shooting.
*Support Electric Zooming Function
The flash coverage can be altered between 24~105mm through the [ZOOM] button.
*Ultrafast Charging Recycle System, Supports External Power Supply
*Equipped with Big Size LCD Display Screen, Standard PC Synchronous Interface
Insulated Gate Bipolar Transistor (IGBT)
58 (ISO 100, 105mm)
24, 28, 35, 50, 70, 80, 105mm
Vertical rotation angle
Horizontal rotation angle
4×AAsize batteries (Alkaline or Ni-MH are usable)
100~1500 times (AA alkaline cell used)
approx 3s (AA alkaline cell used)
8 levels of output control (1/128~1/1), 29 levels of fine tuning
hot shoe, PC port and eternal charging port
wireless trigger distance
100m(2.4G wireless);20-25m indoor,10-15 outdoor(Optical control)
the electronic flash head zooming,Sound prompt,PC syn,Power saving mode,Overheating protection and saving settings.
60×190×78mm (Extended state)