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, if the in-focus indicator (I) is displayed focus will lock while the shutter-release button is pressed halfway. Focus lock continues until the shutter is released.

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).

 

 

 

264

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Image 290
Nikon D300s manual A2 AF-S Priority Selection, A3 Dynamic AF Area, 264, This option controls whether