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Check the lens' focus mode
IMPORTANT
- The following section explains the setting procedures when the cameraâs shooting mode has been set to [Program AE] (
 ).
If the lens' focus mode is set to [MF], auto focus will not operate.
In the menu, set [Focus mode] to [AF], or set the focus mode switch on the lens to [AF].
REFERENCE
- [Focus mode] will be displayed when an EF-M lens is attached. It will not be displayed when an EF or EF-S lens is attached.
- With [
 ], [  ], [  ], or [  ] this setting will not be displayed. (It will be set to AF automatically.)
1. Set the cameraâs power to [ON].
2. Press the [MENU] button.
3. Press the [  ], [  ] buttons or turn the <  > dial to choose the [  â 3 ] tab. Press the [  ], [  ] buttons or turn the [  ] dial to choose [Focus mode]. Then press the <  > button.
4. Press the [ ], [ ] buttons or turn the [ ] dial to choose [AF], and then press the < > button.
5.To return to the previous screen, press the [MENU] button.
The setting changes to [AF].
Set the lens focus mode switch to [AF].
Clean the lens and camera electrical contacts The transfer of information between the camera and the lens is carried out by the electrical contacts on both the camera and the lens.
 : Camera Body Contacts
 : Lens Contacts
If the contacts on either the lens side or the camera side get dirty, communication cannot be carried out correctly, and in some cases the autofocus may not operate correctly. If the lens or camera contacts get dirty, please clean them very gently with a clean, dry cloth.
CAUTION
Precautions on cleaning contacts:
- Do not wipe the contacts with a wet cloth. It could cause malfunctions.
- Do not touch the contacts directly with your hands. Touching them with your hands could cause corrosion, which would cause the camera to become inoperable.
- When cleaning the contacts on the lens side, be careful not to damage the lens surface.
- If the contacts are particularly dirty, please contact the nearest Canon Service Center.
Securely mounting the lens Both the camera and the lens mutually exchange information. For this reason, if the lens is not securely mounted, there may be cases where the autofocus does not operate correctly.
Please mount the lens securely, as shown in the image below.
If using an EF or EF-S lenses, attach the Mount Adapter EF-EOS M securely.
Check the [C.Fn II: Others] Custom If autofocus does not operate when the shutter button is pressed halfway, the Custom Function setting may be changed as follows.
In this case, by pressing the shutter button halfway, the camera start to meter.
In cases like these, change the value to [AF/AE lock].
Please see the camera's Instruction Manual for details about how to change the setting.
If you have checked all of the items listed above, but there is still no improvement, please contact the nearest Canon Service Center.
Note that, if you are experiencing trouble with a lens made by another manufacturer, you should contact manufacturer of that lens instead.
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