05-19-2017 08:22 AM
Many thanks for your responses @Waddizzle ... much appreciated. When shooting in manual mode I use:
The only thing I need to be automatic is AEB, and when using AEB, I expect the camera to adjust shutter speed only to achieve (-2, -1, 0, +1, +2) EV exposures. My 5D mark III does this nicely, as did all previous generations of 5D and even earlier cameras (D30, D60 etc).
My camera doesn't do that. It automatically changes aperture to bracket exposure, not shutter speed.
I'm at a loss why this seems to be such an issue with my particular 5D mark IV, since most other users report the camera working as it should. I've only found three other people with the same issue as me. There might be very few of us, but it's no less of an issue.
05-19-2017 10:33 AM - edited 05-19-2017 11:16 PM
After many frustrating months, I have to say, in the end, Canon UK have been really quite helpful today.
It seems there are some photographers out there that do want to bracket aperture (as well as shutter speed and/or ISO), though I can't imagine why.
If within Custom Functions, you have configured the 'Main Dial' (highlighted yellow) to control aperture (as I have), then the camera will bracket using aperture. If you leave it at it's default setting controlling shutter speed, it will bracket using shutter speed.
It's very late where I am right now, so I haven't actually got round to testing this, but I am confident this is the solution. I will report back accordingly tomorrow.
Thanks all once again for your assistance.
05-21-2017 11:42 PM
I've had my CF set to this and it seems to be working now. I thought I recalled it wasn't when you initially contacted me last month. Maybe the firmware update 1.0.4 fixed it?
05-22-2017 01:37 AM
I can assure you it wasn't the firmware update that 'fixed' it. One of the reasons I persevered for so long, was in the hope that new firmware would fix the issue. But after flashing to v1.0.4, the 'problem' remained.
Sorted now though. Just a pity the user manual doesn't spell out the consequences of swapping over the dials.
08-20-2017 03:04 PM
I have the same issue. I checked all the settings and they are identical to my can 7D Mark II but the 5D changes the aperture instead of shutter speed when on manual bracketing!
02-06-2018 06:54 PM
For what it's worth, I shoot weddings, portraits and real estate. I always set my main dial to adjust aperture in M mode because the only 2 ways I shoot is AV and M so the main dial is always the same. I shoot 360 panos for real estate in AEB to avoid blowing out windows. It's a fast workflow and I get great results but it must be in M mode. My 6D works correctly, my 80D but not the 5D mark iv. Why they make us change our main dial setting in M to make this work like all their lower end cameras is beyond me. I know it's a simple fix but I often shoot portraits and real estate in the same day and it just changes the workflow. Hopefully they will have the setting in the AEB menu someday so you can choose it that way. Thank you for the fix.