How to Display a Grid in Live View Mode on Your Canon EOS 6D
When shooting in Live View mode, you can display a grid on the Canon’s LCD monitor. This grid is useful when aligning objects that are supposed to be horizontal or vertical. You can also use the grid when composing your images. You have three grids from which to choose: a 3 x 3 grid, a 6 x 4 grid, or a 3 x 3 grid with diagonal lines.
To display a grid on the camera LCD monitor when shooting in Live View mode:
Press the Menu button.
The previously used menu appears.
Use the Multi-controller or Quick Control dial to navigate to the Live View Shooting Settings 1 tab.
Use the Multi-controller or the Quick Control dial to highlight Grid Display and then press the Set button.
The Grid Display options display.
Use the Multi-controller or the Quick Control dial to highlight the desired grid.
The first grid, with nine squares, is the most useful. This is identical to the Rule of Thirds photographers use when composing images.
The selected grid displays in the monitor when you shoot in Live View mode.