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Non-CPU Lens Data
By specifying lens data (lens focal length and maximum aperture)
for up to nine non-CPU lenses, the user can gain access to a variety
of CPU lens functions
(pg. 196).
AF Fine Tune
Fine-tune focus for up to 12 lens types. AF tuning is not
recommended in most situations; use only when required.
Option Description
AF fine
tune
(On/
Off)
• [On]: Turn AF tuning on.
• [Off] (default): 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 12 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).
Move focal
point away
from camera.
Current
value
Move focal
point toward
camera.
Previous
value