Canon EOS 90D DSLR Camera with 18-135mm Lens - Manual (Page 576)

576
Fine Adjustment of AF Position (AF Microadjustment)
5 Make the adjustment.
 Setting it toward “–: ” will shift the point
of focus in front of the standard point of
focus.
 Setting it toward “+: ” will shift the point
of focus to behind the standard point of
focus.
 After making the adjustment, press
<
0
>.
 Press <
0
> again.
6 Check the result of the adjustment.

Take a picture to check the results of
adjustment.

Repeat the adjustment as necessary.
o If [1:All by same amount] is selected, separate AF adjustment will not be
possible for the wide-angle and telephoto ends of zoom lenses.