371
U
Fine-tune focus for up to 20 lens types. Use only as required; AF
tuning is not recommended in most situations and may interfere
with normal focus. Auto fine-tuning is available in live view, or
fine-tuning can be performed manually using the
Saved value
and
Default
options.
AF Fine-Tune
G
button
➜
B
setup 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 b20 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
