B091638F7B YONGNUO YN560 IV Universal 2.4G Wireless Speedlite Flash On-Camera Master Slave Speedlight GN58 High Speed Recycling Compatible with Canon Nikon Sony DSLR Camera

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?Master & Slave Wireless Flash?As a master unit, YN560 IV 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; as a wireless slave unit, fully supports YN560-TX, RF-603(I/II), RF-602 Wireless transmitter.
?Multiple Trigger Mode Supported?GN58 at ISO100,105mm High guide number 2.4G wireless flash, supports M/Multi mode, can be triggered by the camera set-top, 2.4G wireless trigger. S1 and S2 light are sensitive trigger, S2 with pre-flash-canceled mode.
?Electric Zooming & High Speed Recycling?The flash focal length can be altered between 24-105mm by pressing [ZOOM] button; Ultrafast Charging Recycle System for better using experience.
?Sound Prompt Function?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 (Note: the sound can be turned off).
?Other Practical and Powerful Functions?With charging socket for external power pack, meeting your higher demand for charging recycle; The parameters on the flash will automatically save when the flash turned off; the users can customize setting the flash function as needed.