Nikon D300s, D300S (Body Only) A2 AF-S Priority Selection, A3 Dynamic AF Area, 264, Points

a2: AF-S Priority Selection	Gbutton ➜ ACustom Settings menu
This option controls whether	Focus mode selector

photographs can be taken only when the camera is in focus (focus priority) or whenever the shutter- release button is pressed (release priority) in single-servo AF. To select

single-servo AF, rotate the focus mode selector to S.

	Option	Description
G	Release	Photos can be taken whenever the shutter-release
		button is pressed.
F	Focus	Photos can only be taken when the in-focus indicator
		(I) is displayed.

Regardless of the option selected, focus will lock while the in-focus indicator (I) is displayed.

a3: Dynamic AF Area

Gbutton ➜ ACustom Settings menu

If the subject leaves the selected focus point when dynamic-area AF (I; 0 76) is selected in continuous-servo AF (focus mode C; 0 74), the camera will focus based on information from surrounding focus points. Choose the number of focus points from 9, 21, and 51 based on subject movement (note that only active focus point is displayed in the viewfinder; the remaining focus points provide information to assist focus operation).

	Option	Description
		If the subject leaves the selected focus point, the
	c 9 points	camera will focus based on information from the
		surrounding eight focus points. Choose when there is
U
		time to compose the photograph or when
		photographing subjects that are moving predictably
		(e.g., runners or race cars on a track).

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