Nikon D4S Manuale Utente

106

N

: Focus locks automatically when the in-focus 

indicator (

I) appears, and remain locked until you remove 

your finger from the shutter-release button. Focus can also be 
locked by pressing the center of the sub-selector (see above).

Focus will remain locked 
between shots if you keep the 
shutter-release button pressed 
halfway (AF-S) or keep the center 
of the sub-selector pressed, allowing several photographs in 
succession to be taken at the same focus setting.

Do not change the distance between the camera and the subject 
while focus lock is in effect. If the subject moves, focus again at the 
new distance.

A

B Button

During viewfinder photography, focus can be locked using either of the 
B buttons in place of the shutter-release button (0 99). If AF-ON 
only is selected for Custom Setting a4 (AF activation, 

camera will not focus when the shutter-release button is pressed 
halfway; instead, the camera will focus when an 

B button is pressed, 

at which point focus will lock and remain locked until either 

B 

button is pressed again. The shutter can be released at any time and 
the in-focus indicator (

I) will not be displayed in the viewfinder. This 

applies in AF-C regardless of the option selected for Custom Setting a1 
(AF-C priority selection, 

0 313) and in AF-S except when Focus is 

selected for Custom Setting a2 (AF-S priority selection, 

single-point AF AF-area mode.

A

See Custom setting c1 (Shutter-release button AE-L, 

0 324) for 

information on using the shutter-release button to lock exposure, 
Custom Setting f6 (Assign sub-selector center, 

0 342) for information 

on choosing the role played by the center of the sub-selector.