131Menu Guide
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.
We
recommend that you perform fine-tuning at a focus distance you
use frequently; if you perform focus-tuning at a short focus distance,
for example, you may find it less effective at longer distances.
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 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
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