Why does my Canon 5D Mark II reset exposure settings after auto power-off?
Asked 7/23/2011
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2 answers
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On my Canon 5D Mark II, I usually shoot in Manual mode with auto power-off enabled. After the camera sleeps, my shutter speed, aperture, and ISO seem to reset, which has caused missed shots. Is there a setting that makes the camera keep those exposure settings after auto power-off, or is this related to Custom shooting modes such as C1/C2/C3?
Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0
Photography Stack Exchange contributor
15y ago
2 Answers
7
I've tried the same thing on my 5DmkII and it works fine for me: the aperture, shutter speed, ISO and WB I set in M mode are still there when the camera's auto-powered off and been re-awoken. I'm on firmware 2.0.8, and I have auto power-off set to 1 minute.
Not sure if it's helpful to mention, but what you've described is exactly what I get if I'm in one of the custom modes (C1, C2, C3). That's by design though and worked exactly the same on my 40D. It's definitely not correct behaviour in M mode though: I wonder how the camera decides which settings it ought to revert to.
Originally by user3644. Source · Licensed CC BY-SA 4.0
user3644
15y ago
0
Generated from our catalog & community — verify before relying on it.
In normal Manual (M) mode, the 5D Mark II should retain your shutter speed, aperture, ISO, and similar settings when it wakes from auto power-off. Based on the community replies, what you describe is more typical of using a Custom shooting mode (C1/C2/C3), where the camera can revert to the registered settings by design.
So the most likely explanation is that you’re actually shooting from a custom mode rather than plain M, or expecting custom modes to auto-save changes. On some Canon bodies there is an "Auto update set" option for custom modes, but there doesn’t appear to be a corresponding setting on the 5D Mark II according to the answers/manual reference.
If you want settings to persist, use regular M mode. If you want a repeatable saved setup, register it to C1/C2/C3, understanding that it may restore the saved state after power-off unless your camera supports auto-updating those modes.
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