Shutter-release button halfway down to get good focus
and the rest of the way down to take the picture.
Either of these methods will solve the age-old autofocus
problem of having a perfectly focused background with
out-of-focus subjects caused by the center AF point
concentrating on the background between the subjects.
Many of us will use Single-point AF mode most of the time.
It works particularly well for static or slowly moving subjects.
When I’m out shooting beautiful nature images or at a party
shooting pictures of my friends, I’ll use Single-point AF
along with Single frame release mode (S) almost exclusively.
If I’m shooting a wedding where the bride and groom are
walking slowly up the aisle, Single-point AF and Continuous
low speed release mode (CL) seem to work well for me.
Single-Point AF Example of Use
If a subject is not moving—like a tree or a standing
person—then Single-point AF and S release mode (Single
frame) will allow you to acquire focus. Once the focus is
acquired, the AF Module will lock focus on the subject and it
will not change. If the subject moves, your focus may no
longer be perfect and you’ll need to recompose while
releasing and then pressing the Shutter-release button halfway
down.
Often, if the subject is moving very slowly or sporadically, I
won’t even use CL release mode (Continuous low) but will
leave the camera in S release mode. I’ll tap the Shutter-release
button halfway to acquire focus when the subject moves and
tap it again as needed. When I’m ready, I simply press the
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