Nikon 13456, 1542 a4: AF Activation, a3: Focus Tracking with Lock-On

a3: Focus Tracking with Lock-On

Gbutton ➜ ACustom Settings menu

This option controls how autofocus adjusts to sudden large changes in the distance to the subject when AF-C(0 87) is selected during viewfinder photography.

Option Description

C5 (Long) When the distance to the subject changes abruptly, the

	camera waits for the specified period before adjusting
( 4
	the distance to the subject. This prevents the camera
D 3 (Normal)
	from refocusing when the subject is briefly obscured by
) 2	objects passing through the frame. Note that 2,
	1 (Short), and Off are equivalent to 3 (Normal) when

E1 (Short) 3D-tracking or auto-area AF is selected for AF-area mode.

Off

The camera immediately adjusts focus when the distance to the subject changes. Use when photographing a series of subjects at varying distances in quick succession.

a4: AF Activation

Gbutton ➜ ACustom Settings menu

If Shutter/AF-ONis selected, both the shutter-release button and the Bbutton can be used to initiate autofocus. Select AF-ON only to prevent the camera focusing when the shutter- release button is pressed halfway.

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