Canon EOS 250D Advanced User's Manual page 213

In magnified view, the exposure is locked. (Shutter speed and aperture will be
z
displayed in red.)
Even with manual focusing, you can use the Touch Shutter to take a picture.
z
Setting MF Peaking (Outline Emphasis)
Edges of subjects in focus can be displayed in color to make focusing
easier. You can set the outline color and adjust the sensitivity (level) of edge
detection (except in <A> mode).
5
Focus manually.
While looking at the magnified image,
z
turn the lens focusing ring to focus.
After achieving focus, press the <u>
z
button to return to the normal view.
6
Take the picture.
Check the focus and exposure, then
z
press the shutter button to take the
picture (= 181).
1
Select [MF peaking settings].
Under the [z] tab, select [MF peaking
z
settings], then press <0>.
2
Select [Peaking].
Select [Peaking], then press <0>.
z
Select [On], then press <0>.
z
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