Nikon D300 User Manual page 724

Shutter-release button
the shot!
Release Priority Settings
When you switch your D300(S) out of Single frame (S)
release mode, you must be aware of how Custom settings
a1 and a2 are configured. These two Custom settings are
for Focus priority and Release priority. These are not the
same as the Release modes, so don't get confused. It's
important that you understand these two release
"priorities" before you start using your camera on critical
shoots or some of your images may not be in focus at all. I
won't cover that information in this chapter, but we've
looked at Custom settings a1 and a2 in detail in the chapter
titled Chapter
what they do! (Hint: Use Focus priority)
Dynamic-area AF
This mode is best used when your subject is moving. Instead
of a single AF point used alone for autofocus, several sensors
surrounding the one you have selected with the
are also active.
in the Dynamic-area AF
the rest of the way down and I've got
4. Please, be very sure that you understand
Figure 11-6 shows the
position.
724
Multi Selector
AF-area mode selector