D750 not working with Godox Flash TTL mode

Started 3 months ago | Discussions
Ocular Grep New Member • Posts: 8
D750 not working with Godox Flash TTL mode

I'm trying to control off-camera flash with my Nikon D750. I have Godox flash triggers for Nikon, both the Flashpoint (Godox) R2 i-TTL 2.4G Wireless Transmitter and the Godox XProN TTL Wireless Flash Trigger. I'm controlling a Flashpoint eVOLVE 200 (Godox AD200) strobe.

Things work as expected in Manual mode: I can set the power from the transmitter mounted on the camera hot shoe. However, when I set the transmitter to TTL mode, although the strobe also shows TTL setting, the pictures come out seriously underexposed. It appears that TTL isn't working.

  • Is there something I need to be setting in the D750? I'm just in manual exposure mode, 1/125 at f/8. The flash fires, but not enough power for correct exposure.
  • Is there anything else I should be setting in the transmitter and strobe? They're set to the same channel and group, and it appears that the transmitter is controlling the strobe.
  • Are there known problems with the D750 and this flash equipment?

Thanks for sharing experiences or suggestions.

 Ocular Grep's gear list:Ocular Grep's gear list
Canon ELPH 100 HS Nikon D7000 Nikon D750 Fujifilm X-T20 Nikon AF-S Nikkor 70-200mm f/2.8G ED VR +8 more
Nikon D750
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Nikonlinks Contributing Member • Posts: 568
Re: D750 not working with Godox Flash TTL mode

In TTL you are using the camera flash sensor   Do you have exposure compensation set on the camera?  There is a separate compensation for flash exposure   It should be at zero on the camera then you can set compensation in the Godox trigger

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don
www.donferrario.com

OP Ocular Grep New Member • Posts: 8
Re: D750 not working with Godox Flash TTL mode

No exposure compensation (FEC) set.

 Ocular Grep's gear list:Ocular Grep's gear list
Canon ELPH 100 HS Nikon D7000 Nikon D750 Fujifilm X-T20 Nikon AF-S Nikkor 70-200mm f/2.8G ED VR +8 more
OP Ocular Grep New Member • Posts: 8
Re: D750 not working with Godox Flash TTL mode
1

RESOLVED (apparently).

My lighting setup had the off-camera flash w/ umbrella directly behind the camera. I got the idea that maybe light from the flash hitting the camera was interfering with the metering. So, I dug out that "eyepiece cap" that I'd never used before and put it on the eyepiece.

Voila! TTL pictures look well-exposed now. I am now a true believer in the eyepiece cap.

 Ocular Grep's gear list:Ocular Grep's gear list
Canon ELPH 100 HS Nikon D7000 Nikon D750 Fujifilm X-T20 Nikon AF-S Nikkor 70-200mm f/2.8G ED VR +8 more
JohnnyLuddite Senior Member • Posts: 1,888
Re: D750 not working with Godox Flash TTL mode
1

Thanks for reporting back, must pay attention to that myself!

Whereas I love TTL for ad-hoc scenarios, I'd always use manual for studio contexts, and there is of course the ttl-to-manual available on the Xpro-n.

 JohnnyLuddite's gear list:JohnnyLuddite's gear list
Sony RX100 Panasonic ZS100 Fujifilm X-E1 Nikon D750 Nikon AF Nikkor 50mm f/1.4D +6 more
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