Nikon D300 User Manual page 727

AF points in the pattern of 51 to maintain focus on the
bird. You press the Shutter-release button all the way down
and the images start pouring into your memory card. You
are panning with the bird, firing bursts until it moves out
of range. You've got the shot! (See chapter opening image
of the eagle by David Summers. This is a perfect example
of using AF and focus tracking successfully.)
Can you see how flexible
when you adjust the patterns in
subject will only move a short distance (or is moving slowly),
you can simply select a pattern of
doing some macro shots of a bee on a flower and she is
moving around the flower. Or you might be photographing a
tennis game, in which case you could use
for more rapid side-to-side movement without losing the
focus. You'll have to decide which pattern best fits your
needs for the current shooting situation.
Using Dynamic-area AF
accurately track and photograph all sorts, sizes, and speeds of
moving subjects. The reaction speed of the AF system is
somewhat slower when using either of the two
modes since there is a lot more information being processed
by the camera. Take that into consideration when shooting
events. The mode called
color-detection
ability to the tracking system. The camera will not only track
by subject area, it will also remember the color of the subject
as an additional tracking mechanism.
Dynamic-area AF
Custom setting
9
and Custom setting
51 points (3D-tracking)
727
is, especially
a3? If your
points. Maybe you're
21 points to allow
a3, you can more
51 point
adds