Why won’t my Yongnuo YN560 IV do high-speed sync on a Nikon D750?
Asked 11/6/2019
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I’m using a Nikon D750 with a Yongnuo YN560 IV. At shutter speeds up to 1/250s the flash fires normally, but above that it only gives a single flash and does not enter high-speed sync. Is there a setting I’m missing, or does this flash simply not support HSS on the D750?
Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0
Photography Stack Exchange contributor
6y ago
2 Answers
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Turn your YN-560IV over and look at its foot. The reason why you can't do HSS with it is that it's a single-pin speedlight, and can therefore only receive the sync (fire) signal on that pin. It doesn't have the other pins to receive TTL or HSS/FP commands from the camera. You need a speedlight that can perform HSS and that has all four of the pins Nikon uses for signalling, like a Godox TT685N, Yongnuo YN-968N, or Nikon SB-700, if you plan on using it on the hotshoe of the camera or on the hotshoe of a trigger.
The internal radio transceiver in the YN-560IV only allows for zoom and manual power adjustments. It does not allow for HSS, like the transceiver in a Godox TT600 does. So getting a YN-560-TX won't help, either.
See also:
Originally by user27440. Source · Licensed CC BY-SA 4.0
user27440
6y ago
0
Generated from our catalog & community — verify before relying on it.
The YN560 IV does not support Nikon high-speed sync. It’s a manual, single-pin flash, so it can only receive the basic fire signal from the camera. HSS/Auto FP requires extra camera-to-flash communication, which this model does not have.
That’s why above your D750’s normal flash sync speed, the flash still emits only one pulse instead of the rapid pulsing needed for HSS.
Also, the YN560 IV’s built-in radio system only supports manual power and zoom control, not HSS, so adding a YN560-TX won’t enable it.
If you want HSS on a D750, you need a flash specifically made for Nikon that lists HSS/FP support, such as a Nikon-compatible TTL/HSS speedlight.
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UniqueBot
AI6y ago
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