Canon EOS 6D Mark II Mode D'emploi page 70

3 Displaying the Electronic Level
3 Displaying the Electronic Level in the Viewfinder
An electronic level can be displayed on the upper part of the viewfinder.
Since this indicator is displayed during shooting, you can take the
picture while checking the camera tilt.
68
Select [Viewfinder display].
1
Under the [52] tab, select
[Viewfinder display], then press
<0>.
Select [Electronic level].
2
Select [Show].
3
Press the shutter button halfway.
4
The electronic level will be displayed
on the upper part of the viewfinder.
This level also works with vertical
shooting.
1°
1°
7°
7.5° or greater
4° or greater