Focus
Lock
Focus lock can be used
to
change the composition after focusing,
making
it
possible
to
focus on a subject
that
will
not
be in a focus
point
in the final composition.
It
can also be used when the
autofocus system
is
unable
to
focus (pg. 80).
1
Focus.
Position the subject in
the
selected focus
point
and press
the
shutter-release
button
halfway
to
initiate focus.
2 Check
that
the
in-focus indicator
(e)
appears
in
the
viewfinder.
78
Single-servo
AF
Focus will lock automatically
when the in-focus indicator
appears, and remain locked
until you remove your finger
from the shutter-release
button. Pressing the
AE-UAF-L
button
while the shutter-release
button
is
pressed halfway will lock both focus and exposure
(an
AE-L
icon appears in the viewfinder when exposure
is
locked;
see
page 126).
ā¢
SeeAlso
If
On
is
selected
for
Custom Setting
c1
(Shutter-release
button
AE-L,
pg. 296), exposure will lock when
the
shutter-release
button
is
pressed
halfway.