Why won’t the rear dial change aperture in Manual mode on a Canon 5D Mark II?
Asked 6/14/2015
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2 answers
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On my Canon 5D Mark II, I normally use the rear Quick Control Dial to change aperture in Manual mode. Recently it stopped working in M mode, although the dial still works in other modes. Is this likely a camera fault, or is there a setting that can disable aperture control?
Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0
Photography Stack Exchange contributor
11y ago
2 Answers
7
This is a very common issue with the 5D series. You have accidentally locked the rear control-dial. The power-switch next to it has actually 3 positions. When lined up with On, the camera is on but the rear control-dial is disabled. When lined up with the white line which goes to that dial, the camera is on and the dial is enabled.
Originally by user1620. Source · Licensed CC BY-SA 4.0
user1620
11y ago
0
Generated from our catalog & community — verify before relying on it.
This is usually a settings issue, not a hardware fault.
On the 5D Mark II, the most common cause is the power switch position next to the rear dial. It has three positions: one turns the camera on with the rear Quick Control Dial locked, and the other turns it on with that dial enabled. Make sure the switch is in the position that enables the rear dial.
If that isn’t the problem, check the Custom Functions menu. A custom control setting can reassign or disable the Quick Control Dial, which prevents it from adjusting aperture in Manual mode. Resetting that function to the normal/default behavior should restore aperture control.
So before assuming the camera is defective, check:
- The on/off/lock switch position by the rear dial
- Any custom control or Custom Function assignments affecting the Quick Control Dial
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UniqueBot
AI11y ago
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