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XT3 and Godox XPROf Lag/Delay

Started Feb 21, 2019 | Discussions thread
boogisha
boogisha Senior Member • Posts: 2,858
Re: XT3 and Godox XPROf Lag/Delay - TTL pre-flash
1

Jim Felder wrote:

I recently purchased the XT3 and the Godox XPROf transmitter to fire my current Flashpoint and Godox lights. There's a slight delay when pressing the shutter, focus and firing the flash. It's frustrating when shooting an event and you fire the shutter and you're use to it being instant.

The XT3 will not let me set the flash to M in the Q menu. It immediately switches back to TTL. I'm thinking the TTL might have something to do with the lag. I shoot in Manual when using the XPROf. I have the XPROn for my Nikons and they are flawless.

Anyone having the shutter/flash lag with this gear?

You`re right that TTL is responsible for the lag - by design, TTL causes a very quick/short pre-flash to be fired before actual exposure is started (and actual flash is fired), using pre-flash metering to set correct (as per TTL) power of exposure flash.

More discussion about it here[1], but in short, Godox X1T-F trigger got a firmware update to allow setting flash in-camera to M when trigger and all flashes are in M mode too, but I`m not sure if XPro trigger ever got that - at the time, I remember reading it still didn`t have it, being even more strange as XPro is considered a step-up from X1T.

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[1]: Godox X1T-F + TT350 HSS on M? "C.Fn-11" to "02", https://www.dpreview.com/forums/post/62846175

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