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Fine-tune focus for up to 20 lens types. AF tuning is not
recommended in most situations and may interfere with normal
focus; use only when required.
AF Fine-Tune
G button ➜ Bsetup menu
Option Description
AF fine
tune
(On/Off)
• On: Turn AF tuning on.
• Off: Turn AF tuning off.
Saved
value
Tune AF for the current lens (CPU
lenses only). Press
1
or
3
to choose
a value between +20 and –20.
Values for up to 20 lens types can be
stored. Only one value can be
stored for each type of lens.
Default
Choose the AF tuning value used
when no previously saved value
exists for the current lens (CPU
lenses only).
List
saved
values
List previously saved AF tuning values. To delete a lens from the
list, highlight the desired lens and press
O
(
Q
). To change a lens
identifier (for example, to choose an identifier that is the same as
the last two digits of the lens serial number to distinguish it from
other lenses of the same type in light of the fact that
Saved value
can be used with only one
lens of each type), highlight the desired
lens and press
2
.
The menu shown at
right will be displayed; press
1
or
3
to
choose an identifier and press
J
to save
changes and exit.
Move focal
point away
from camera.
Current
value
Move focal
point toward
camera.
Previous
value