EOS R6 Mark II Exposure bracketing changes aperture in M mode

[Ovacheerdad]

Question for those that use AEB. So I was watching some videos about exposure bracketing. Camera set to Man. ISO 100. and F/2.8. When I do a 3 shot stack it changes the aperture value to change the exposure. But when I run the same settings in AV mode, it keeps the aperture constant and actually changes the exposure.  All the videos I'm watching online show that while in M mode, it does not change the aperture. Do I have something set wrong in my camera?

[Waddizzle]

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@Ovacheerdad wrote:

Here is what it is doing. https://youtube.com/shorts/dZSetALz94M?si=O9uADYmT5xy31qmJ

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I apologize.  I did not see the aperture vary in M model. If you could playback the images, then I could see the actual exposure settings.