Canon EOS REBEL T7i Instruction Manual page 260

MF: Focusing Manually
In magnified view, the exposure is locked. (Shutter speed and aperture

will be displayed in red.)
Even with manual focusing, you can use the touch shutter to take a

picture.
260
Focus manually.
5
While looking at the magnified image,

turn the lens focusing ring to focus.
After achieving focus, press the <u>

button to return to the normal view.
Take the picture.
6
Check the focus and exposure, then

press the shutter button to take the
picture (p.230).