Ad Astra
Well-known member
I am having unexpected results when using Auto ISO with flash and wondered if anybody can help.
I am aiming to have manual exposure on the camera (a Nikon Z7II) with auto ISO and set shutter and aperture manually and let auto ISO float the ISO to get a good background exposure. This works as expected when the flash is turned off.
I am looking to set flash manually to 1/128th power, attach a better beamer and get a little fill light on the subject. Auto FP is turned on in camera to allow high speed flash sync when shutter speed greater than sync speed of 1/200. High Speed Sync icon is then turned on on the flash menu. Flash is a Godox V860III(N).
This is when things go wrong, turning the flash on appears to disable auto ISO, it still says auto ISO but ISO drops to 64 and the image is black due to under exposing.
Any suggestions please?
I am aiming to have manual exposure on the camera (a Nikon Z7II) with auto ISO and set shutter and aperture manually and let auto ISO float the ISO to get a good background exposure. This works as expected when the flash is turned off.
I am looking to set flash manually to 1/128th power, attach a better beamer and get a little fill light on the subject. Auto FP is turned on in camera to allow high speed flash sync when shutter speed greater than sync speed of 1/200. High Speed Sync icon is then turned on on the flash menu. Flash is a Godox V860III(N).
This is when things go wrong, turning the flash on appears to disable auto ISO, it still says auto ISO but ISO drops to 64 and the image is black due to under exposing.
Any suggestions please?