Canon EOS 90D DSLR Camera with 18-135mm Lens - Manual (Page 578)

578
Fine Adjustment of AF Position (AF Microadjustment)
Entering the Serial Number
 Select the digit to be entered, then press
<
0
> so <
r
> is displayed.
 Enter the number, then press <
0
>.
 After entering all the digits, select [OK] .
Lens Serial Number
 In step 3, if “*” appears in front of the 10-digit lens serial number,
you can register only one unit of the same lens model. Even if you
enter the serial number, “*” will remain displayed.
 The serial number on the lens may diff er from the serial number
displayed on the screen in step 3. This is not a malfunction.

If the lens serial number includes letters, enter only the numbers.

If the lens serial number is eleven digits or longer, enter only the last ten
digits.

The location of the serial number varies depending on the lens.

Certain lenses may not have a serial number inscribed. To register a lens
that has no serial number inscribed, enter any serial number.
o
If [2: Adjust by lens] is selected and an extender is used, the adjustment will
be registered for the lens and extender combination.
o
If 40 lenses have already been registered, a message will appear. After you
select a lens whose registration is to be erased (overwritten), you can register
another lens.