Is there a way to turn off/disable monitor pre-flash in an SB-800 while remaining in TTL mode? I'm assuming there is not (presumably because TTL needs to "see" what's going on), but I want to make sure I'm not missing something.
I am puzzled because I found something in the manual that says the monitor preflash will not flash if the camera is in rear curtain sync. I have found this not to be the case. I also found something else in the manual that says monitor preflash will not flash if the flash head is in any position but 45 or 7 degrees. I have not found this to be true either.
If you are curious, here is why I ask: I am using a Godox XPro controller to wirelessly trigger a Godex X1 receiver mounted on the flash. As far as I can tell, the flash itself has to be in TTL mode for the Godex to communicate with the trigger to change any settings. If the flash is in manual mode, the Godex controller will fire the flash, just not allow me to change settings.
The specific reason this is an issue is I am taking 2 second long exposure shots combining continuous and light with rear curtain sync flash to freeze my subject at the end of the exposure, and the monitor preflash is detectable earliernin the exposure (because it slightly freezes the motion, creating a "break" in the smooth light trails).
Obviously, I can set the flashes to manual, but this requires a lot of jogging back and forth between camera an flash, and I'm lazy.