area most of the time because it’s faster when my camera is in
Dynamic-area AF mode (see text box).
More AF Points Can Mean Slower Autofocus Response
Time
The more active AF points you select, the slower the
autofocus system’s response to initial autofocus will be.
Fewer AF points mean faster AF. However, use the
number of points you need to capture pictures of your
selected subject. The D300S has a more powerful
microprocessor base than the D300, since it also has to
process D-Movies. It performs better in low-light
environments when you have 51 points selected. If the
light is low and you are shooting events like a wedding or
graduation, you’ll need to make sure that the 51-point
settings are fast enough for your use. Experiment with this
before you use 51 points to shoot an indoor event.
Although the D300S is faster, I still use 21 points most
often. Neither camera is a slowpoke, but this is one of the
trade-offs we made by not buying a D3, D3s, or D3x.
Experiment so that you know your camera well. Just trying
to save you some missed shots at critical times!
Focus Tracking with Lock-On
Custom setting a4 (D300S and D300)
(User’s Manual – D300S page 266; D300 page 270)
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